FCC ID: IPH-01848 LOW POWER TRANSMITTER

Astro X20 owners manual GPS-enabled dog tracking system 2011 Garmin Ltd. or its subsidiaries All rights reserved. Under the copyright laws, this manual may not be copied, in whole or in part, without the written consent of Garmin. Garmin reserves the right to change or improve its products and to make changes in the content of this manual without obligation to notify any person or organization of such changes or improvements. Go to www.garmin.com for current updates and supplemental information concerning the use of this product. Garmin, the Garmin logo, Astro, City Navigator, and TracBack, registered in the USA and other countries. BaseCamp and myGarmin are trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not be used without the express permission of Garmin. Windows is a registered trademark of Microsoft Corporation in the United States and/or other countries. Mac is a registered trademark of Apple Computer, Inc. Other trademarks and trade names are those of their respective owners. Introduction WarnIng See the Important Safety and Product Information guide in the product box for product warnings and other important information. getting Started notice Do not attempt to track your dog using the Astro and the DC 40 until you have completed the following tasks. 1. Install batteries in the Astro. 2. Charge the DC 40. 3. Turn on the devices. 4. Acquire satellites. 5. Calibrate the compass. 6. Attach the DC 40 to your dog. 7. Start a new hunt. Introduction Installing Batteries in the astro The Astro operates on two AA batteries

(not included). Use alkaline, NiMH, or lithium batteries. 1. Remove the battery cover by turning the D-ring 1/4 turn counterclockwise and pulling up. 2. Insert the batteries, observing polarity. 3. Replace the battery cover. Charging the DC 40 Charge the DC 40 completely before using it on a hunt. Charging a depleted DC 40 battery takes 4 hours. Astro X20 and DC40 Owners Manual 3 Introduction 1. Connect the power cable to an appropriate electrical source. 2. Slide the charging clip onto the DC 40. 3. Charge the DC 40 completely. The blue LED flashes when the DC 40 is charging. The blue LED is solid when the DC 40 is fully charged. Turning On the Devices 1. On the Astro, press and hold

. 2. Follow the on-screen instructions. 3. On the DC 40, press and hold

. The red LED flashes (single blink) when the DC 40 is on and searching for satellite signals. TIP: Turn on the DC 40 and let it acquire satellites before you put it on your dog. 4 Astro X20 and DC40 Owners Manual Introduction The red LED flashes (single blink) when the DC 40 is searching for satellite signals. The red LED double blinks at each pulse when the DC 40 has acquired satellite signals. Device Overviews astro notice Avoid using a high-powered radio

(greater than 5 watts) in close proximity to the Astro. It may cause irreversible damage to the Astro. GPS antenna VHF antenna 5 acquiring Satellite Signals Before you can track your dog using the Astro and the DC 40, both devices must acquire GPS satellite signals. Acquiring satellite signals can take a few minutes. 1. Go outdoors to an open area, away from tall buildings and trees. 2. Wait for the bars on the Astro to turn black. The bars indicate satellite strength. 3. Wait for the DC 40 to acquire satellite signals. Astro X20 and DC40 Owners Manual Introduction Power key Display Keypad Belt clip button Wrist strap slot USB port (under weather cap) Battery compartment microSD card tray under batteries DC 40 VHF antenna Collar GPS antenna Power key 6 Keypad DOg MarK BaCK MaP MEnU EnT

(EnTEr) Press to view the Dog Tracker page. Press to mark your current location. Press to cancel data entry or return to the previous menu or page. Press to view the map. Press to open the menu for the active page. Press twice to open the main menu. Press to select options and acknowledge messages. Astro X20 and DC40 Owners Manual rocker In OUT Press to view or scroll through options and to move the map pointer. Press to zoom in on the map. Press to zoom out on the map. adjusting the Backlight 1. Press and quickly release

. 2. Use the Rocker to adjust the brightness levels. TIP: You can also press and quickly release the brightness levels. to cycle through 3. Press ENTER to select a brightness level and close the menu. Manual Conventions Press Use the keys on the device. Select Field Scroll bar Default Introduction Use the rocker to select an option or an item in a list, and press EnTEr. The location on a page where data is entered or an option appears. A highlighted field appears yellow. A bar that appears on the right side of a list that is too long to fit on the screen. Use the rocker to scroll through a list. Press In or OUT to scroll a set of items. The original factory settings. You can customize the settings, but you can always revert back to the factory settings by selecting restore Defaults. Astro X20 and DC40 Owners Manual 7 Introduction

The small arrows indicate that you should select a series of items in order, for example, Select Delete > Yes. Status Bar Icons The status bar at the top of each Astro page provides status information. Indicates the satellite signal strength. Blinks when the device detects a signal (for example, a DC 40) on the channel it is receiving. Indicates the remaining battery power. On-Screen Messages When an on-screen message appears, you can press ENTER to acknowledge 8 the message and close the window. Messages also indicate temporary conditions, such as Calculating Route. The message window closes as soon as the process is complete. Using the On-Screen Keyboard A keyboard appears when you enter text. Use the Rocker to select a character, and press ENTER. Select DEL to backspace. Select Select OK to save the text and to shift. close the keyboard. Astro X20 and DC40 Owners Manual Tracking Your Dog NOTE: The DC 40 does not transmit its location to the Astro, and the Astro does not indicate the location of the DC 40, until both devices have acquired satellite signals. Communication with the DC 40 The DC 40 that was packaged with your Astro was linked with the Astro at the factory. If you are using a DC 40 that you purchased separately, follow the instructions for adding a new dog on page 13 to establish communications with the Astro. navigating to Your Dog 1. Press DOG > ENTER. 2. Select Go To. 3. Follow the magenta line on the map. Astro X20 and DC40 Owners Manual Tracking Your Dog Viewing Your Dogs Status 1. Press DOG to view the Dog Tracker page. The direction to the dog and distance of the dog from the Astro appears. 9 Tracking Your Dog Dog pointer (direction to the dog) Dog name Dog status icon (page 10) Distance to the dog 2. If you have additional dogs, use the Rocker to scroll through the list of dogs. The Astro can keep track of ten dogs. 3. Press ENTER to view the Dog Info page. about the Dog Tracker Page The dog you are tracking is identified and the dog pointer indicates its direction from you. The dog pointer is most accurate when you are holding the Astro level and the dog is farther than 30 feet (9.1 meters) away. At less than that distance, NEAR appears instead of a distance and the dog pointer is shortened. NOTE: When you are close to the dog, the dog pointer may be inaccurate. Dog Status Icons Sitting Running On Point Treed Unknown*

*The unknown status icon indicates that the DC 40 has not acquired a satellite signal and that the Astro cannot determine the location of the dog. 10 Astro X20 and DC40 Owners Manual Editing Dog Information Changing the Dog name The Astro assigns a default name, such as Dog or Dog 1, to every dog (DC 40) linked to it. 1. Press DOG > ENTER. The Dog Info page appears. Tracking Your Dog Changing the Dog Type You can identify the dog type so that the appropriate dog status symbols appear. 1. Press DOG > ENTER. 2. Press MENU. 3. Select Change Dog Unit Type. 4. Select a type. Tracking Your Dog on the Map Press MAP to follow your dog on the map. 2. Select Name. The on-screen keyboard appears. 3. Enter the name of the dog. Astro X20 and DC40 Owners Manual 11 The track of the dogs movements appears as a red line . about the Map When the map orientation is Track Up, objects on the map appear to rotate around your position. As you move, the entire map reorients in the direction you are facing. To stabilize the objects, set the orientation to North Up

(page 43). Tracking Your Dog Marked locations appear on the map. The accuracy circle is the area where your GPS location data is poor. The smaller the circle, the more precise your location. The dog location appears with a status icon and the dog name . Your location is indicated by the map pointer . 12 Astro X20 and DC40 Owners Manual adding Dogs The Astro can track up to ten dogs with DC 40 collars. If you purchase additional DC 40 devices, you can link them to the Astro. To link, the Astro must be close enough to the DC 40 to touch it, or you must know the DC 40 ID number. 1. Press DOG > MENU. 2. Select Dog List > <Add New>. 3. Follow the on-screen instructions. By default, the new dog is named Dog and an ID number is randomly assigned. Dog Signal Troubleshooting Each dog you track has its own ID number. If two dogs within range of the Astro have the same ID, the Astro warns you of a conflicting ID signal. Follow the on-screen instructions to resolve the conflict. When possible, you should allow the Astro X20 and DC40 Owners Manual Tracking Your Dog Astro to automatically assign IDs. If necessary, you can manually assign a new ID number to a dog. resolving the Dog Signal Conflict You must assign a new ID number to the dog and change the update rate. 1. Press DOG > MENU. 2. Select Show Info. 3. Press MENU. 4. Select Change Comm. Settings. 5. Select an unassigned and nonconflicting ID. 6. Change the update rate. Both 30-second and two-minute rates reduce battery drain, but they create a less-detailed dog track and collected statistics. 7. Bring the Astro within a few feet of the DC 40. 8. Follow the on-screen instructions. 13 Tracking Your Dog removing Dogs 1. On the Dog Tracker page, press MENU 2. Select Dog List. 3. Select a dog in the list. 4. Select Remove. Collar Lock You can use the Collar Lock feature to PIN protect your dogs ID signal. Other Astro users must enter the PIN in order to track your dog. Other Astro users can still add your dog by physically touching the Astro to the DC 40. 1. Press DOG > ENTER > MENU. 2. Select Change Collar Lock PIN. 3. Enter a unique PIN. NOTE: If you forget the PIN, the Collar Lock feature can be overridden by physically touching the Astro to the DC 40. astro and DC 40 Tips Turn on the DC 40 and allow it to acquire satellites before you put the DC 40 on your dog. This allows the DC 40 to acquire satellite signals much faster. Bring extra batteries for your Astro

(page 62). Use a fully charged DC 40. A fully charged DC 40 operates for approximately 17 hours when using five-second interval reporting. Use line-of-sight radio communication (page 12). The Astro can track up to ten dogs with DC 40 collars. Only three dogs can be viewed at one time on the Dog Tracker page. To reduce the text size, press MENU, and select Small Numbers. 14 Astro X20 and DC40 Owners Manual Go to www.garmin.com/products

/astro for more information and www.garmin.com/astro for a tutorial. Pausing the Devices During a Hunt If you are moving the dogs during a hunt and you do not want to record the transportation of the dogs, you can pause the tracking of all dogs. 1. Press DOG > MENU. 2. Select Pause All Tracking. You can select Resume when you are ready to continue the hunt. resetting Your Dog Statistics 1. Press DOG > ENTER. 2. Select Reset. about Line-of-Sight radio Communication The Astro and DC 40 use radio signals to communicate. Objects in Astro X20 and DC40 Owners Manual Locations the path of radio signals degrade the quality of the signals. Keeping an unobstructed line of sight between your Astro and your dogs DC 40 produces the best communication signal. Obstructed radio waves result in a poor signal. To achieve the best line-of-sight conditions, move to the highest elevation point in your area (for example, on the top of a hill). Best Good 15 Locations Locations Locations are landmarks that you record and store in your Astro. Marking a Location Marking Your Vehicle Location 1. From the main menu, select Start New Hunt. 2. Follow the on-screen instructions. After the hunt, you can navigate back to your vehicle. Marking Your Current Location 1. Press MARK. 2. Select New or choose a default location name such as Truck or Camp. 3. Select OK. Marking a Covey You can mark a covey location and enter the estimated number of birds flushed and the number of birds taken. 1. Press MARK. 2. Select Covey. 3. Enter the number of birds flushed. 4. Enter the number of birds taken. 5. Select OK > OK. Marking a Location Using the Map 1. Press MAP. 2. Move the map pointer to a location. 3. Press ENTER. If the location does not contain map information, the following message appears: No map information at this point. Do you want to mark a location here?

4. Select Yes or Save. 16 Astro X20 and DC40 Owners Manual navigating to a Marked Location 1. From the main menu, select Go To Marked Location. 2. Select a marked location. TIP: For navigation settings, see page 45. Editing a Marked Location 1. From the main menu, select Advanced > Find > Marked Locations. 2. Select a marked location. 3. Select an attribute (such as the name). 4. Enter the new information. Moving a Marked Location on the Map 1. From the main menu, select Advanced > Find > Marked Locations. 2. Select a marked location. Astro X20 and DC40 Owners Manual Locations 3. Select Map to show the marked location on the map. 4. Press ENTER to place a MOVE marker next to the marked location. 5. Move the marked location to a new location on the map. 6. Press ENTER. Deleting a Marked Location 1. From the main menu, select Advanced > Find > Marked Locations. 2. Select a marked location. 3. Select Delete. repositioning a Marked Location You can change the position of a marked location. For example, if you move your vehicle, you can change the location to your current position. 17 Projecting a Location You can create a new location by projecting the distance and bearing from a marked location to a new location. 1. From the main menu, select Advanced > Find > Marked Locations. 2. Select a marked location. 3. Press MENU. 4. Select Project Location. 5. Enter the bearing and distance to the projected location. Locations 1. From the main menu, select Advanced > Find > Marked Locations. 2. Select a marked location. 3. Press MENU. 4. Select Reposition Here. The position changes to your current location. averaging Your Location You can average a marked location for more accuracy. When averaging, the Astro takes several readings at the same location and uses the average value to provide more accuracy. 1. Press MARK. 2. Select New > Avg to begin averaging. 3. When the Estimated Accuracy field reaches the level of accuracy you want, select Save > OK. 18 Astro X20 and DC40 Owners Manual Map The Astro has a preloaded basemap that includes cities, highways, exit information, and lake and river outlines. The example shows enhanced map detail using City Navigator. Go to www.garmin.com. Map orientation arrow Map scale Your current location Dog location Map Scaling the Map Press IN and OUT to change the map scale. When you zoom in, the accuracy of your location is indicated by an accuracy circle. The smaller the circle, the more precise your location. Customizing the Map 1. Press MAP > MENU. 2. Select an option:

Select Data Fields (page 20). Select Guidance Text to display navigation information above the map. Select Setup Map to customize your map preferences

(pages 4344). Select Turn Declutter On to hide items on the map that block road details. Astro X20 and DC40 Owners Manual 19 Map Customizing Data Fields on the Map You can display up to four data fields at the top of the map to provide travel and navigational information. 1. Press MAP > MENU. 2. Select Data Fields. 3. Select the number of data fields. 4. Press MENU. 5. Select Change Data Fields. 6. Select a field. A list of data field options appears

(page 49). 7. Select an option. Measuring Distance You can measure the distance between two points. 1. Press MAP > MENU. 2. Select Measure Distance. An arrow appears at your current location. 3. Move the arrow to the point you want to measure from, and press ENTER. A push pin marks the beginning point . 4. Move the arrow to another point. REF marks the ending point . The distance between the two points appears . 20 Astro X20 and DC40 Owners Manual Find Features You can use the Find menu to search for marked locations, cities, and exits included in the basemap. Additional categories appear if you have optional, compatible detailed maps loaded on the device. When you open a category, the list contains items near your current location or the map pointer (if active). Finding Locations navigating to a Marked Location 1. From the main menu, select Advanced > Find > Marked Locations. 2. Select a marked location. 3. Select Go To. Finding a Location by name 1. From the main menu, select Advanced > Find. Find Features 2. Select the type of item you want to find. 3. Press MENU. 4. Select Find by Name. 5. Enter the name of the location. You can select OK when the Find list contains a match. 6. Select an option:

Select Save to save the item as a location. Select Map to display the item as a location on the map. Select Go To to navigate a route to the location. Finding a Location near another Location 1. Find a location. 2. Press MENU. 3. Select Find Near Here. 4. Select a category. Astro X20 and DC40 Owners Manual 21 Find Features The list displays locations near the original location. 3. Select Go To to navigate to the geocache location. Finding a Location near a Point on the Map 1. Find a location. 2. Press MENU. 3. Select Change Reference. The map opens. 4. Move the map pointer to a location on the map. 5. Press ENTER to show a list of items near the map location. Downloading geocaches Go to my.garmin.com for details and instructions for downloading geocache locations from the Internet. Finding a geocache 1. From the main menu, select Advanced > Find > Geocache. 2. Select a geocache. 22 When a geocache is found, the Astro marks the cache as found, logs an entry into the calendar, and shows the nearest cache. Finding a City 1. From the main menu, select Advanced > Find > Cities. A list of cities near your current location appears. 2. Select a city from the list. Finding an Interstate Exit 1. From the main menu, select Advanced > Find > Exits. A list of exits near your current location appears. 2. Select an exit. The exit description, a list of services near the exit, and the distance and bearing from the exit to the highlighted service appear. Astro X20 and DC40 Owners Manual 3. Select a service from the list. Finding recently Found Locations 1. From the main menu, select Advanced > Find > Recent Finds. 2. Select an item. Using Optional Detailed Maps You can use optional City Navigator maps to search for addresses, intersections, and other locations. The detailed maps contain millions of points of interest, such as restaurants, hotels, and auto services. Go to www.garmin.com. Finding an address 1. From the main menu, select Advanced > Find > Addresses. Astro X20 and DC40 Owners Manual GPS Applications If your device has acquired satellite signals, the <ENTER Region>

field is populated with your current region. 2. Enter the city, street number, and street name. Matches appear as you select characters in the name. 3. Select the address from the list. Finding a Point of Interest 1. From the main menu, select Advanced > Find. 2. Select an option to view points of interest near your current location:

Select All Points of Interest. Select a POI category. 3. Press MENU to narrow your search. 4. Select an item from the list. Stopping navigation Press MENU > Stop Navigation. 23 GPS Applications gPS applications GPS Applications provides options for configuring the following GPS functions:

Trip computer (page 24) Compass (page 24) Altimeter (page 27) Tracks (page 29) Routes (page 32) Highway (page 35) Proximity alarms (page 35) Turn preview (page 36) Active route (page 36) Satellite (page 37) Trip Computer The trip computer displays your current speed, average speed, maximum speed, trip odometer, and other helpful statistics. 24 resetting the Trip Computer 1. From the main menu, select Advanced > GPS Applications >

Trip Computer. 2. Press MENU. 3. Select Reset. 4. Select the items you want to reset or delete. 5. Select Apply. Compass navigating with the Compass From the main menu, select Advanced > GPS Applications >

Compass. Hold the compass level when navigating to ensure maximum accuracy. Turn toward the direction of the bearing pointer until the arrow is pointing toward the top of the compass. Astro X20 and DC40 Owners Manual about the Compass destination. GPS Applications The compass provides navigation data such as current speed and estimated arrival time. The compass ring moves to indicate North orientation. When navigating to a destination, the bearing pointer points to your destination, regardless of the direction you are moving. When the bearing pointer points toward the top of the compass, you are traveling directly toward your Astro X20 and DC40 Owners Manual navigating With the Course Pointer This is most useful if you are navigating on water or where there are no major obstacles in your path. It also helps you avoid hazards to either side of the course, such as shoals or submerged rocks. 1. From the main menu, select Advanced > GPS Applications >

Compass. 2. Press MENU. 3. Select Course Pointer. 25 GPS Applications The course pointer indicates your relationship to a course line leading to the destination. The course pointer provides an indication of drift (right or left) according to the scale . The scale refers to the distance between dots on the course deviation indicator . The course line to your destination is based on your original starting point. 4. Move back to the course line to destination to compensate for deviation and to get back on course. navigating with Sight n go You can point the device at an object in the distance, such as a water tower, lock in the direction, and then navigate to the object. 1. From the main menu, select Advanced > GPS Applications >

Compass. 2. Press MENU. 3. Select Sight N Go. The bearing pointer points to the top of the compass. 4. Hold the device at eye level and line up the two sighting marks with a distant object. 5. Select Lock Direction. 26 Astro X20 and DC40 Owners Manual 6. Select an option:

Select Set Course to navigate to the distant object. Select Project Location

(page 18). Select Re-Sight to set course on a different object. Calibrating the Compass notice Calibrate the electronic compass outdoors. Do not stand near objects that influence magnetic fields, such as cars, buildings, or overhead power lines. You should calibrate the compass after moving long distances, experiencing temperature changes, or changing the batteries. 1. Press DOG > MENU. 2. Select Calibrate Compass > Start. 3. Follow the on-screen instructions. GPS Applications altimeter Plotting Elevation on the altimeter 1. From the main menu, select Advanced > GPS Applications >

Altimeter. Your current elevation and the rate of your ascent or descent appear. 2. Press MENU. 3. Select Plot Over Time or Plot Over Distance . Astro X20 and DC40 Owners Manual 27 GPS Applications This option is only available when you are plotting elevation. After you set the elevation plot, you can adjust the zoom ranges

(page 28). Displaying Barometric Pressure on the altimeter 1. From the main menu, select Advanced > GPS Applications >

Altimeter. 2. Press MENU. 3. Select View Pressure Plot. Viewing Points on the altimeter Plot Select individual points on an elevation plot or a pressure plot to view the elevation (or pressure) reading, the time of day, and the date when the point was recorded. 28 navigating to a Point on the Plot 1. From the main menu, select Advanced > GPS Applications >

Altimeter. 2. Press left or right on the Rocker to display crosshairs and scroll the crosshairs across the plot. 3. Press ENTER. The point appears on the map with location coordinates, the compass bearing, and the distance from your current location. 4. Press MARK to save the point as a location. 5. Navigate to the location (page 21). Setting the Zoom ranges 1. From the main menu, select Advanced > GPS Applications >

Altimeter. 2. Press MENU. 3. Select Zoom Ranges. Astro X20 and DC40 Owners Manual 4. Set the zoom range on the vertical axis. 5. Set the zoom range on the horizontal axis. resetting the altimeter 1. From the main menu, select Advanced > GPS Applications >

Altimeter. 2. Press MENU. 3. Select Reset. 4. Select the items you want to reset or delete. 5. Select Apply. Calibrating the altimeter 1. Go to a location where the elevation or barometric pressure is known. 2. From the main menu, select Advanced > GPS Applications >

Altimeter. 3. Press MENU. 4. Select Calibrate Altimeter. Astro X20 and DC40 Owners Manual GPS Applications 5. Follow the on-screen instructions. Tracks A track is a recording of your path and of the path of your dog. The track log contains information about points along the recorded path, including time, location, and elevation for each point. Customizing Your Track Log 1. From the main menu, select Advanced > GPS Applications >

Tracks > Setup. 2. Select an option:

Select Wrap When Full to replace the oldest data with new data when the track log is full. Select a Record Method:

Select Distance, and enter a distance interval. Select Time, and enter a time interval. 29 GPS Applications Select Auto to specify the interval of frequency. Recording points more often creates a more accurate track, but fills up the track log faster. Saving Part of the Track Log 1. From the main menu, select Advanced > GPS Applications >

Tracks > Save > No. The entire track appears on the map. Select Color to change the color of the active track. Saving the Entire Track Log From the main menu, select Advanced > GPS Applications >

Tracks > Save > Yes. about Saved Tracks You can rename the track, view the track distance, view the calculated area, and change the units for the calculated area. You can also change the color for the track on the map. Changing the color of a dogs saved track also changes the dog pointer color on the Dog Tracker page. 2. Move the map pointer to the beginning point. 3. Press ENTER. 4. Move the map pointer to the ending point. 5. Press ENTER. Viewing a Track on the Map From the main menu, select Advanced > GPS Applications >

Tracks > Save > Yes > Map. The track appears on the map. 30 Astro X20 and DC40 Owners Manual GPS Applications 5. Press left or right on the Rocker to scroll across the track profile. While scrolling, press ENTER to show the point on the map. 6. Press up or down on the Rocker to set the zoom range. Digital Elevation Models Maps Using Digital Elevation Models (DEM) maps, you can create a track elevation profile that includes elevation data. Go to www.garmin.com/cartography

/ontheTrail for more information about US Topo maps. navigating a Saved Track You can use TracBack with a saved track to navigate back to a point on the track. 1. From the main menu, select Advanced > GPS Applications >

Tracks > TracBack. 2. Move the map pointer to a point on the track. 31 Viewing Track Profiles After you save a track, you have a record of the path you traveled and a track altitude profile. 1. From the main menu, select Advanced > GPS Applications >

Tracks. 2. Select a saved track. 3. Press MENU. 4. Select Profile. The beginning and the end of the track are marked by a flag. Astro X20 and DC40 Owners Manual GPS Applications 3. Press ENTER. 4. Select an option:

Select Follow Road to navigate back to the selected point using available roadways. Select Follow Track to retrace your original path of travel. Marking a Location on a Saved Track 1. From the main menu, select Advanced > GPS Applications >

Tracks. 2. Select a saved track. 3. Select Map. 4. Move the map pointer to a location on the track. 5. Press MARK. 6. Select New. 7. If necessary, edit the location information. 8. Select OK. Calculating the area of a Track 1. From the main menu, select Advanced > GPS Applications >

Tracks. 2. Press MENU. 3. Select Area Calculation. 4. When you are finished, select Stop. 5. If necessary, select Area to change the units of measure. 6. Select Save. Clearing the Track Log From the main menu, select Advanced > GPS Applications >

Tracks > Clear > Yes. routes A route is a sequence of points or saved locations that leads you to your final destination. 32 Astro X20 and DC40 Owners Manual Creating a route 1. From the main menu, select Advanced > GPS Applications >

Routes > New. 2. Select <Select Next Point>. 3. Select a category. 4. Select the first point on the route. 5. Select Use. 6. Repeat steps 2 through 5 to add more points to the route. GPS Applications navigating a Saved route 1. From the main menu, select Advanced > GPS Applications >

Routes. 2. Select a route. 3. Select Navigate. Stopping navigation Press MENU > Stop Navigation. Editing a route 1. From the main menu, select Advanced > GPS Applications >

Routes. 2. Select a route. 3. Complete an action:

Select the name, and enter the new information. Select a point on the route. You can review, insert, remove, change, or move the point. Press MENU for more route options. Astro X20 and DC40 Owners Manual 33 GPS Applications Deleting a route 1. From the main menu, select Advanced > GPS Applications >

Routes. 2. Select a route. 3. Press MENU. 4. Select Delete Route. Deleting all routes 1. From the main menu, select Advanced > GPS Applications >

Routes. 2. Press MENU. 3. Select Delete All Routes. Setting Your Off road Transition 1. From the main menu, select Advanced > GPS Applications >

Routes. 2. Press MENU. 3. Select Off Road Transition. 4. Select the method to use when advancing to the next point in your route. Select Auto to advance to the next point in your route automatically. Select Distance and enter a radius. When you are within that specified distance, you are routed to the next point in your route. Select Manual to control the navigation to each point in your route. You can press OUT to begin routing to the next point in your route. You can press IN to route to the previous point. 34 Astro X20 and DC40 Owners Manual Highway navigating with the Highway Page 1. From the main menu, select Advanced > GPS Applications >

Highway. Your course is a center line down the middle of the map. Your route is a magenta line . 2. If necessary, press IN or OUT to zoom in or out on the map. GPS Applications Proximity alarms You can define an alarm radius around a marked location. A tone sounds when you enter the designated radius. adding a Proximity Location 1. From the main menu, select Advanced > GPS Applications >

Proximity. 2. Select an empty line. 3. Select a category. 4. Select a marked location. 5. Select Use. 6. Enter a value for the proximity radius. activating the Proximity alarm 1. From the main menu, select Advanced > GPS Applications

> Proximity > Proximity Alarm Tones. 2. Select a tone for each alarm. Astro X20 and DC40 Owners Manual 35 active route navigating with active route You can preview a list of turns and route instructions. You must be navigating a route on roads to display the list. 1. From the main menu, select Advanced > GPS Applications >

Active Route. 2. Select an item in the list. The turn preview appears. GPS Applications NOTE: Speed alerts can be downloaded using POI Loader

(page 56). 3. Select Proximity Alarms to activate the alarm. Deleting Proximity Locations 1. From the main menu, select Advanced > GPS Applications >

Proximity. 2. Press MENU. 3. Select Remove All. Turn Preview navigating with Turn Preview You must be navigating a route on roads to display the turn preview information. 1. From the main menu, select Advanced > GPS Applications >

Turn Preview. 2. Scroll through all of the turn previews. 36 Astro X20 and DC40 Owners Manual 3. Select an option:

Accessories Select Use With GPS Off to turn the GPS on and off. Select Track Upto display the page with North toward the top of the screen or with your current track toward the top of the screen. Select Multicolor to display the page in multicolor or single color. Select New Location if you have moved the device more than 600 miles and you are having trouble acquiring satellite signals. Select GPS Elevation to view your current elevation. Satellite GPS receiver status Satellite locations Satellite signal strength Your current location Customizing the Satellite Page 1. From the main menu, select Advanced > GPS Applications >

Satellite. 2. Press MENU. Astro X20 and DC40 Owners Manual 37 Calculator The Astro has a standard calculator and a scientific calculator. Opening the Calculator application 1. From the main menu, select Advanced >Accessories >

Calculator. 2. Complete an action:

Use the standard calculator. Press MENU, and select Scientific to use the scientific calculator functions. Accessories accessories Calendar The calendar can record locations on specific days and provide sunrise, sunset, and hunting-almanac information. adding a Location to the Calendar 1. From the main menu, select Advanced > Accessories >

Calendar. 2. Select a day. 3. Press MENU. 4. Select Add Point. 5. Select a category. 6. Select a location. 7. Select Use to place the location on the day page. 38 Astro X20 and DC40 Owners Manual Stopwatch Using the Stopwatch 1. From the main menu, select Advanced > Accessories >

Stopwatch. 2. If necessary, press MENU to set how the stopwatch records laps. 3. Select an option:

Select Lap by Button Press to manually end the lap each time. Select Lap by Distance to automatically mark the lap at a specific distance. Press MENU, and select Set Lap Distance to enter a value. Accessories Viewing Sunrise and Sunset Information You can view the time of sunrise, sunset, moonrise, and moonset, and the relative positions of the sun and moon. 1. From the main menu, select Advanced > Accessories > View Sunrise/Sunset. 2. Select an option:

Select Date to change the date. Select Location to change the location. Select Time to view positions of the sun and moon at a different time. Astro X20 and DC40 Owners Manual 39 Accessories Viewing the Hunting almanac You can view the predicted best times for hunting and fishing for a specific date and location. 1. From the main menu, select Advanced > Accessories > View Hunting Almanac. 2. Select an option:

Select Date to change the date. Select Location to change the location. games From the main menu, select Advanced

> Accessories > Games. The Astro contains six games: Memory Race, Virtual Maze, GekoSmak, Nibbons, Gekoids, and Beast Hunt. Some games use GPS during the game. Most games contain a tutorial. 40 Astro X20 and DC40 Owners Manual Customizing Your Device System Settings From the main menu, select Advanced

> Settings > System. GPS NormalGPS is on. Battery Saversee page 63. GPS Off Demo ModeGPS is off. WAAS/EGNOSenables Wide Area Augmentation System

(WAAS) in the USA, or European Geostationary Navigation Overlay Service (EGNOS). Battery Typeallows you to select the type of battery you are using. Text Languagesets the text language on the device. External Power Lostsets the Astro X20 and DC40 Owners Manual Customizing Your Device device to stay on or turn off when external power is removed. Proximity Alarmsenables all proximity alarms. restoring the System Settings 1. From the system settings, press MENU. 2. Select Restore Defaults. Viewing Important Device Information You can view the unit ID and software version. 1. From the system settings, press MENU. 2. Select Software Version. Customizing the Dog List 1. From the main menu, select Advanced > Settings > Dog List. 2. Select a dog. 3. Select an option:

41 Customizing Your Device Select Move and change the order of the dog list. Select Remove to delete a dog from the list. Setting Dog alerts 1. From the main menu, select Advanced > Settings > Dog Alerts. 2. Select an option:

On-Point Alertindicates that the dog is on-point. Treed Alertindicates that the dog has treed quarry and has confined its own movements to a small area for 60 seconds. GPS Lost Alertindicates that the dogs DC 40 has lost GPS satellite signals. Lost Communication Alert indicates that the Astro is not receiving signals from the DC 40. Display Settings From the main menu, select Advanced

> Settings > Display. Display Mode Daytime Nighttime Autoautomatically switches to night mode at sunset and to day mode at sunrise. Daytime Color Schemesets the color scheme used in day mode. Nighttime Color Schemesets the color scheme used in night mode. Backlight Timeoutsee page 64. Backlight Levelsee page 64. Setting the Device Tones You can customize tones for messages, keys, turn warnings, and alarms. 1. From the main menu, select Advanced > Settings > Tones. 42 Astro X20 and DC40 Owners Manual 2. Select a tone for each audible type. Customizing the Main Menu You can move, add, or delete items in the main menu. 1. From the main menu, select Advanced > Settings > Main Menu. 2. Select a menu item. 3. Select an option:

Select Move and change the order of the list. Select Insert to add a new item to the list. Select Remove to delete an item from the list. Customizing the Map Setup 1. From the main menu, select Advanced > Settings > Map. Astro X20 and DC40 Owners Manual Customizing Your Device 2. Use the Rocker to select a map setup category: General, Tracks, Points, Text, Information, or Marine. general Page Orientation North Updisplays North at the top of the map. Track Updisplays your current heading at the top of the map. Belowsets the map scale for Track Up. At scales above the setting, the map orientation switches to North Up. Auto Zoomautomatically selects the appropriate zoom level for optimal use on your map. When Off is selected, you must zoom in or out manually. 43 Customizing Your Device Detailallows you to select the amount of map data displayed on the device. NOTE: Higher detail settings may cause the map to redraw slowly. Lock On Roadlocks the position pointer to the nearest road. Tracks Page Saved Trackssets the maximum zoom at which saved tracks are shown. Track Logsets the maximum zoom at which active track logs are shown. Track Pointssets the maximum number of track points used to record a track. Go To Lineallows you to select either a bearing line or a course line

(page 31) to navigate a track. 44 Points Page You can customize the maximum zoom level for map points, marked locations, street labels, and land cover. Text Page You can customize the text size for the descriptions of map items. Information Page You can view the list of optional detailed maps. Customizing Your Detailed Maps Select a check box to enable a detailed map. Press MENU to select options for hiding or showing maps. Marine Page If you are using optional marine charts or marine maps, you can customize how the map displays the marine features. Marine Colorsenables marine Astro X20 and DC40 Owners Manual colors on the map. Spot Soundingsenables spot soundings that indicate depth measurements on the map. Light Sectorssets navigational light locations to On, Off, or Auto

(the location appears when the map pointer passes over it). Symbol Setallows you to select the map symbol set:

Auto, GARMIN, NOAA, or International. Customizing Your Device routing Settings From the main menu, select Advanced

> Settings > Routing. Guidance Methodallows you to select a guidance method for calculating your route. Promptedasks you to select a routing method before the route is calculated. Follow Roadcreates a route that overlays the roads on the map. Off Roadcreates a point-to-

point route. Follow Road Method Promptedasks you to select a follow-road method before the route is calculated. Astro X20 and DC40 Owners Manual 45 Customizing Your Device Faster Timecalculates routes that are faster to drive but can be longer in distance. Shorter Distancecalculates routes that are shorter in distance but can take more time to drive. Next Turn Pop-upenables messages with turn information during your route. Follow Road Options Off Route Recalculationsets how the device recalculates if you depart from the original route. Calculation Methodsets how quickly or accurately the device calculates a route. Calculate Routes forallows you to select your vehicle type or transportation type in order to calculate the most practical route. Avoidallows you to select road types to avoid during your route. geocache Settings From the main menu, select Advanced

> Settings > Geocache. Find or Foundallows you to select a symbol for caches. Calendar Entry When Found makes an entry on the calendar when a cache is found. Marine alarms From the main menu, select Advanced

> Settings > Marine Alarms. Anchor Drag Alarmsets an alarm to sound when you exceed a specified drift distance. Off Course Alarmsets an alarm to sound when you are off course by a specified distance. 46 Astro X20 and DC40 Owners Manual Time Settings From the main menu, select Advanced

> Settings > Time. Time Format allows you to select a 12-hour or a 24-hour display time. Time Zoneallows you to select the time zone for the device. You can select Other to enter a Universal Time Coordinate (UTC) offset. UTC Offsetspecifies the offset from UTC (when Time Zone is Other). Daylight Saving Timeenables daylight saving time for the selected time zone. Units Settings From the main menu, select Advanced

> Settings > Units. NOTE: Do not change the position Astro X20 and DC40 Owners Manual Customizing Your Device format or the map datum coordinate system unless you are using a map or chart that specifies a different position format. Position Formatsets the position format in which a given location reading appears. Map Datumsets the coordinate system on which the map is structured. Distance/Speedsets the unit of measure for distance and speed. Elevation (Vert. Speed)sets the unit of measure for your rate of ascent or descent. Depthsets the unit of measure for depth. Pressuresets the unit of measure for gauge and atmospheric pressure. 47 Customizing Your Device Heading Settings You can specify the type of heading display and the type of North reference used to calculate a heading. NOTE: Unless you have a good understanding of headings and North referencing, use the default values. From the main menu, select Advanced

> Settings > Heading. Displaysets the units used to calculate a heading. North Referenceprovides headings based on a true, magnetic, grid, or a specific user value. Switch to compass heading when belowsets the speed to switch to a compass heading when you exceed the specified time. for more thansets the time to switch to a compass heading. 48 altimeter Settings From the main menu, select Advanced

> Settings > Altimeter. Auto Calibrationenables the device to correct elevation readings using the GPS receiver. Barometer Mode Variable Elevationsets the device to function for normal use, where your changing elevation displays. Fixed Elevationallows you to use the device as a barometer. NOTE: Use this feature when you plan to remain stationary. Trip data is not recorded when Fixed Elevation is on. Astro X20 and DC40 Owners Manual Customizing Data Fields 1. From the map, trip computer, compass, altimeter, or highway page, press MENU. 2. Select Change Data Fields. 3. Select a data field. 4. Select an option. Data Field Options Data Field Accuracy Of GPS Description The margin of error for your exact location. For example, your GPS location is accurate to within +/- 12 feet. The uncalibrated environmental pressure. The average vertical distance of ascent. The maximum ascent rate in feet/

meters per minute. Ambient Pressure Ascent -

Average Ascent -

Maximum Data Field Ascent - Total Barometer Bearing Course Descent -

Average Descent -

Maximum Descent - Total Distance To Dest. Distance To Next Customizing Your Device Description The total elevation distance ascended. The calibrated current pressure. The direction from your current location to a destination. The direction from your starting location to a destination. The average vertical distance of descent. The maximum descent rate in feet/

meters per minute. The total elevation distance descended. The distance to your final destination. The remaining distance to the next point on the route. Astro X20 and DC40 Owners Manual 49 Customizing Your Device Data Field Elevation Elevation -

Maximum Elevation -

Minimum ETA At Destination ETA At Next Glide Ratio Description The altitude of your current location above or below sea level. The highest elevation reached. The lowest elevation reached. The estimated time of day you will reach your final destination. The estimated time of day you will reach the next point on the route. The ratio of horizontal distance traveled to the change in vertical distance. Data Field Glide Ratio To Dest. Heading Location (lat/

lon) Location

(selected) Odometer Description The glide ratio required to descend from your current position and elevation to the destination elevation. The direction you are moving. Displays the current position in the default position format regardless of the selected settings. Displays the current position in the selected position format. A running tally of distance traveled for all trips. 50 Astro X20 and DC40 Owners Manual Data Field Off Course Pointer Speed Speed -

Maximum Speed - Moving Avg. Speed - Overall Avg. Description The distance to the left or the right by which you have strayed from the original path of travel. The data field arrow points in the direction of the next point or turn. The current rate of speed at which you are moving since last reset. The maximum speed reached since last reset. The average speed of the device while moving since last reset. Your average speed since last reset. Data Field Sunrise Sunset Temperature -

Water Time of Day Time to Destination Customizing Your Device Description The time of sunrise based on your GPS position. The time of sunset based on your GPS position. The temperature of the water. Requires a connection to a NMEA 0183 temperature-

capable device to acquire data. The current time of day based on your time settings

(format, time zone, and daylight saving time). The estimated time needed to reach your final destination. Astro X20 and DC40 Owners Manual 51 Customizing Your Device Data Field Time to Next Description The estimated time needed until you reach the next point on the route. The direction in which you must move to return to the route. A running tally of the distance traveled since the last reset. A running tally of time since the last reset. The time spent not moving since the last reset. To Course Trip Odometer Trip Time -

Moving Trip Time -

Stopped Trip Time - Total A running tally of distance traveled since the last reset. Data Field Turn Velocity Made Good Vertical Speed Vert. Speed to Dest. Waypoint at Dest. Description The angle of difference (in degrees) between the bearing to your destination and your current course. L means turn left. R means turn right. The speed at which you are closing on a destination along a route. Your rate of altitude gain or loss over time. The measurement of your rate of ascent or descent to a predetermined altitude. The last point on a route to your destination. 52 Astro X20 and DC40 Owners Manual Data Field Waypoint at Next Description The next point on your route. Appendix Astro X20 and DC40 Owners Manual 53 Appendix appendix Contacting garmin Product Support Contact Garmin Product Support if you have any questions about this product. In the USA, go to www.garmin

.com/support, or contact Garmin USA by phone at (913) 397.8200 or

(800) 800.1020. In the UK, contact Garmin (Europe) Ltd. by phone at 0808 2380000. In Europe, go to www.garmin.com

/support and click Contact Support for in-country support registering Your Device Help us better support you by completing our online registration today. Go to http://my.garmin.com. Keep the original sales receipt, or a photocopy, in a safe place. Using mygarmin Go to http://my.garmin.com to access the latest services for your Garmin products. Subscribe to online services for Points of Interest (POIs) and other useful items. Unlock optional maps. Download geocaches to your device. Buying accessories Go to http://buy.garmin.com, or contact your Garmin dealer for information about optional accessories, preloaded map data cards, accessories, and replacement parts. 54 Astro X20 and DC40 Owners Manual accessories and replacement Parts replacing the DC 40 Collar You must provide your own Phillips screwdriver to replace the DC 40 collar. 1. Carefully cut the zip tie that secures the VHF antenna to the collar. 2. Remove the two screws on the back plate of the DC 40. 3. Lift off the mounting plate. 4. Remove the old collar. 5. Align the new collar with the DC 40. The buckle should be on the side opposite of the power button. 6. Replace the mounting plate and screws. 7. Replace the zip tie that secures the VHF antenna to the collar. Appendix Trim the zip tie and any sharp edges. replacing the DC 40 VHF antenna Before you can replace the VHF antenna, you must detach the DC 40 from the collar (page 51). 1. Remove the weather cap and screw from the VHF antenna. 2. Remove the old VHF antenna. 3. Align the new VHF antenna with the DC 40. 4. Replace the screw and the weather cap. 5. Replace the mounting plate and screws. 6. Replace the zip tie that secures the VHF antenna to the collar. Trim the zip tie and any sharp edges. Astro X20 and DC40 Owners Manual 55 Appendix Changing the Fuse in the Vehicle Power Cable notice When replacing the fuse, do not lose any of the small pieces and make sure they are put back in the proper position. The vehicle power cable does not work unless it is assembled correctly. If your device does not charge in your vehicle, you may need to replace the fuse located at the tip of the vehicle adapter. 1. Use a coin to push down the sliver tip, and turn the coin counterclockwise, one-quarter turn. 2. Remove the end piece, the silver tip, and the fuse. 3. Install a 1 A fast blow fuse of the same size. 4. Replace the silver tip and the end piece. 56 Data Management NOTE: The device is not compatible with Windows 95, 98, Me, or NT. It is also not compatible with Mac OS 10.3 and earlier. File Types The device supports the following file types:

Files from BaseCamp. Go to www.garmin.com. GPI custom POI files from the Garmin POI Loader. Go to www

.garmin.com/products/poiloader. Installing a Memory Card You can purchase microSD memory cards from an electronics supplier, or purchase preloaded map data cards from your Garmin dealer. In addition to map and data storage, the memory cards can be used to store files such as images, cartridges, geocaches, routes, locations, and custom POIs. Astro X20 and DC40 Owners Manual 1. Remove the battery cover by turning the D-ring 1/4 turn counterclockwise and pulling up. 2. Slide up and pull out the metal cover . 3. Align the metal contacts, and place the memory card in the slot . Appendix removing a microSD Card 1. Slide up and pull out the metal cover. 2. Remove the card from the slot. 3. Push in and slide down the metal cover. Connecting the USB Cable notice To prevent corrosion, thoroughly dry the mini-USB port, the weather cap, and the surrounding area before charging or connecting to a computer. 1. Connect the USB cable to a USB port on your computer. 4. Push in and slide down the metal cover. 5. Replace the batteries and the battery cover. 2. Pull up the weather cap from the mini-USB port. 3. Plug the small end of the USB cable into the mini-USB port. 4. From the main menu, select Setup?

> System. 5. Press MENU. Astro X20 and DC40 Owners Manual 57 Appendix 6. Select Mass Storage Mode. Your device and memory card

(optional) appear as removable drives in My Computer on Windows computers and as mounted volumes on Mac computers. Viewing Storage Information on the Memory Card Before you download data to the memory card, you can check the available storage space on the card. 1. From the main menu, select Setup?

> System. 2. Press MENU. 3. Select View Card Info. 58 Transferring Files Before you can transfer files, you must connect the device to your computer

(page 57). To transfer map data to a memory card, you may need to load USB drivers from www.garmin

.com. 1. Browse your computer for the file. 2. Select the file. 3. Select Edit > Copy. 4. Open the Garmin or memory card drive/volume. 5. Select Edit > Paste. Transferring Detailed Tracks The dog tracks saved on your Astro are detailed enough for most users to view the movements of their dog. The DC 40 stores more-detailed tracks of the dogs movements. You can use the Astro to transfer these tracks to the BaseCamp software (www.garmin. com) on your computer. Astro X20 and DC40 Owners Manual 1. Open BaseCamp. 2. Connect the Astro to a computer using the USB cable provided. 3. Turn on the Astro. 4. Turn on the DC 40, and place it within 12 inches of the Astro. 5. Press DOG > ENTER > MENU. 6. Select Transfer Dog Unit Track. 7. Wait until the track data is buffered on your Astro and Ready to communicate with PC appears. 8. Follow the BaseCamp instructions for transferring files. 9. Select OK when you have finished transferring the tracks. Deleting Files notice Your device memory contains important system files and folders that should not be deleted. Before you can delete files, you must Astro X20 and DC40 Owners Manual Appendix connect the device to your computer

(page 57). 1. Open the Garmin drive or volume. 2. If necessary, open a folder or volume. 3. Select the files. 4. Press the Delete key on your keyboard. Disconnecting the USB Cable 1. Complete an action:

For Windows computers, click the eject icon system tray. in your For Mac computers, drag the

. 2. Disconnect the device from your volume icon to the Trash computer. Updating the astro Software Before you can update the software, you must connect the Astro to your 59 Appendix computer (page 57). NOTE: Updating the software does not erase any of your data or settings. 1. Go to www.garmin.com

/webupdater. 2. Follow the on-screen instructions. NOTE: To avoid data corruption, do not turn off the Astro during data transfer. Updating the DC 40 Software Before you can update the software, you must connect the Astro to your computer (page 57). The DC 40 uses your Astro as a wireless transfer device when transferring software updates and detailed dog tracks. 1. Turn on the DC 40, and place it within 12 inches of the Astro. 2. Go to www.garmin.com

/webupdater. 3. Follow the on-screen instructions. NOTE: To avoid data corruption, do not turn off the Astro or the DC 40 during data transfer. 4. On the Astro, press DOG >

ENTER > MENU. 5. Select Upgrade Dog Unit. 6. Follow the on-screen instructions. Caring for the Devices notice Avoid chemical cleaners and solvents that can damage plastic components. Cleaning the Devices 1. Use a cloth dampened with a mild detergent solution. 2. Wipe it dry. Cleaning the Screen 1. Use a soft, clean, lint-free cloth. 2. If necessary, use water, isopropyl alcohol, or eyeglass lens cleaner. 60 Astro X20 and DC40 Owners Manual 3. Apply the liquid to the cloth, and gently wipe the screen with the cloth. Water Immersion notice The Astro and DC 40 are water resistant to IEC 60529 IPX7. They can withstand immersion in 1 meter of water for 30 minutes. Prolonged submersion can cause damage to the devices. After immersion, be certain to wipe and air dry the devices before using or charging. Extreme Temperatures notice Do not store the Astro or DC 40 where prolonged exposure to temperature extremes may occur, because permanent damage may result. Specifications astro Water resistance Battery type Battery life Operating temperature range DC 40 Water resistance Battery type Appendix Water resistant to IEC 60529 IPX7 Two 1.5 volt AA batteries (alkaline, NiMH, or lithium) Up to 24 hours, typical usage (page 60) From -4F to 158F

(from -20C to 70C) See battery information on page x. Water resistant to IEC 60529 IPX7 Internal rechargeable lithium-ion battery Astro X20 and DC40 Owners Manual 61 Appendix Battery life Operating temperature range Charging temperature range VHF radio MURS

(Multiuse Radio Service) frequency VHF range Output power From 17 to 48 hours. Recharging takes approximately 4 hours. From -4F to 140F

(from -20C to 60C) From 32F to 113F

(from 0C to 45C) 151.82 MHz 151.88 MHz 151.94 MHz 154.57 MHz 154.60 MHz Up to 7 miles (11.2 km) - line of sight 2 watts Battery Information WarnIng See the Important Safety and Product Information on pages 6273 for product warnings and other important information. CaUTIOn The temperature rating for the device may exceed the usable range of some batteries. Alkaline batteries can rupture at high temperatures. Alkaline batteries lose a significant amount of their capacity as temperature decreases. Use lithium batteries when operating the device in below-freezing conditions. replacing the Batteries 1. Remove the battery cover by turning the D-ring 1/4 turn counterclockwise and pulling up. 2. Insert the batteries, observing polarity. 62 Astro X20 and DC40 Owners Manual 3. Replace the battery cover. Selecting the Battery Type 1. From the main menu, select Advanced > Settings > System >

Battery Type. 2. Select Alkaline, Lithium, or Rechargeable NiMH. Long-Term Storage When you do not plan to use the Astro for several months, remove the batteries. Stored data is not lost when batteries are removed. Storing Your DC 40 The normal long-term decrease in the charging capacity of lithium-

ion batteries can be accelerated by exposure to elevated temperatures. Storing a fully charged battery for more than three months in a location that exposes it to high temperatures

(above 70F or 21C) can significantly reduce its recharging capacity. Astro X20 and DC40 Owners Manual Appendix Before storage, charge the battery to approximately 50% of capacity and store it in a cool, dry location where temperatures are not expected to exceed typical household levels. Do not store a fully depleted battery because it may not recharge after an extended period of storage. After storage, fully charge the battery again before using the DC 40. Maximizing Battery Life Using the astro Battery Save Option From the main menu, select Advanced > Settings > System >

GPS > Battery Saver. 63 Appendix Decreasing the Backlight Extensive use of screen backlighting can significantly reduce battery life. You can adjust the backlight brightness and decrease the backlight timeout to maximize battery power. 1. Quickly press 2. Adjust the brightness. adjusting the Backlight Timeout

. From the main menu, select Advanced > Settings > Display >

Backlight Timeout. Both 30-second and two-minute rates reduce battery drain, but they create a less-detailed dog track and collected statistics. 6. Bring the Astro within a few feet of the DC 40. 7. Follow the on-screen instructions. Decreasing the Update rate of the DC 40 1. Press DOG > MENU. 2. Select Show Info. 3. Press MENU. 4. Select Change Comm. Settings. 5. Change the update rate. 64 Astro X20 and DC40 Owners Manual For the latest free software updates (excluding map data) throughout the life of your garmin products, visit the garmin Web site at www.garmin.com. 2011 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, USA Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9LR UK Garmin (Europe) Ltd. No. 68, Zhangshu 2nd Road, Xizhi Dist., New Taipei City, 221, Taiwan (R.O.C.) Garmin Corporation www.garmin.com June 2011 190-01340-00 Rev. 1 Printed in Taiwan

Important Safety and Product Information WarnIng Failure to avoid the following potentially hazardous situations could result in an accident or collision resulting in death or serious injury. Installation and Operation Warnings When installing the device in a vehicle, place the device securely so it does not obstruct the drivers view of the road or interfere with vehicle operating controls, such as the steering wheel, the foot pedals, or the transmission levers. Do not place the device in front of or above any airbag. (See diagram.) Do not mount where the drivers field of vision is blocked. Do not mount in front of an airbag field of deployment. Do not place unsecured on the vehicle dashboard. The windshield mount may not stay attached to the windshield in all circumstances. Do not place the mount where it will become a distraction if the mount should become detached. Keep your windshield clean to help ensure that the mount stays on the windshield. Always use your best judgement, and operate the vehicle in a safe manner. Do not become distracted by the device while driving, and always be fully aware of all driving conditions. Minimize the amount of time spent viewing the device screen while driving. Do not input destinations, change settings, or access any functions requiring prolonged use of the device controls while driving. Pull over in a safe and legal manner before attempting such operations. When navigating, carefully compare information displayed on the device to all available navigation sources, including road signs, road closures, road conditions, traffic congestion, weather conditions, and other factors that may affect safety while driving. For safety, always resolve any discrepancies before continuing navigation, and defer to posted road signs and road conditions. The device is designed to provide route suggestions. It is not a replacement for driver attentiveness and good judgement. Do not follow route suggestions if they suggest an unsafe or illegal maneuver or would place the vehicle in an unsafe situation. Health Warning This product, its packaging, and its components contain chemicals known to the State of California to cause cancer, birth defects, or reproductive harm. This notice is provided in accordance with Californias Proposition 65. See www.garmin.com/prop65 for more information. Battery Warnings Your GPS device uses user-replaceable batteries. If these guidelines are not followed, the batteries may experience a shortened life span or may present a risk of damage to the device, fire, chemical burn, electrolyte leak, and/or injury. Do not leave the device exposed to a heat source or in a high-temperature location, such as in the sun in an unattended vehicle. To prevent damage, remove the device from the vehicle or store it out of direct sunlight, such as in the glove box. Do not use a sharp object to remove the batteries. Do not puncture or incinerate the device or battery. Keep the batteries away from children. Do not disassemble, puncture, or damage the batteries. Only replace the battery with the correct replacement battery. Using another battery presents a risk of fire or explosion. Replaceable coin cell batteries may contain perchlorate material. Special handling may apply. See www.dtsc.ca.gov/hazardouswaste/perchlorate. Contact your local waste disposal department to dispose of the device/battery in accordance with applicable local laws and regulations. In addition, the GPS device may use an internal, non-user-replaceable battery for various purposes, such as the real-time clock. Do not remove or attempt to remove the non-user-replaceable battery. Notice Windshield Mounting Legal restrictions Before using the suction cup mount on your windshield, check the state and local laws and ordinances where you drive. Some state laws prohibit drivers from using suction mounts on their windshields while operating motor vehicles. Other state laws allow the suction mount to be located only in specific locations on the windshield. Many other states have enacted restrictions against placing objects on the windshield in locations that obstruct the drivers vision. It Is the users responsIbIlIty to mount the GarmIn DevIce In complIance wIth all applIcable laws anD orDInances. Where required, other Garmin dashboard or friction mount options should be used. Always mount your Garmin device in a location that does not obstruct the drivers view of the road. Garmin does not assume any responsibility for any fines, penalties, or damages that may be incurred as a result of any state or local law or ordinance relating to the use of your Garmin device. Map Data Information Garmin uses a combination of governmental and private data sources. Virtually all data sources contain some inaccurate or incomplete data. In some countries, complete and accurate map information is either not available or is prohibitively expensive. Declaration of Conformity Hereby, Garmin declares that this product is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. To view the full Declaration of Conformity, see the Garmin Web site for your Garmin product: www.garmin

.com/declaration-of-conformity. FCC Compliance This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and may cause harmful interference to radio communications if not installed and used in accordance with the instructions. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and the receiver. Connect the equipment into an outlet that is on a different circuit from the GPS device. Consult the dealer or an experienced radio/TV technician for help. This product does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center. Unauthorized repairs or modifications could result in permanent damage to the equipment, and void your warranty and your authority to operate this device under Part 15 regulations. Industry Canada Compliance Category I radiocommunication devices comply with Industry Canada Standard RSS-210. Category II radiocommunication devices comply with Industry Canada Standard RSS-310. Limited Warranty This Garmin product is warranted to be free from defects in materials or workmanship for one year from the date of purchase. Within this period, Garmin will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts or labor, provided that the customer shall be responsible for any transportation cost. This warranty does not apply to: (i) cosmetic damage, such as scratches, nicks and dents; (ii) consumable parts, such as batteries, unless product damage has occurred due to a defect in materials or workmanship; (iii) damage caused by accident, abuse, misuse, water, flood, fire, or other acts of nature or external causes; (iv) damage caused by service performed by anyone who is not an authorized service provider of Garmin; or (v) damage to a product that has been modified or altered without the written permission of Garmin. In addition, Garmin reserves the right to refuse warranty claims against products or services that are obtained and/or used in contravention of the laws of any country. This product is intended to be used only as a travel aid and must not be used for any purpose requiring precise measurement of direction, distance, location or topography. Garmin makes no warranty as to the accuracy or completeness of map data in this product. THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS, IMPLIED, OR STATUTORY, INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, STATUTORY OR OTHERWISE. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, WHICH MAY VARY FROM STATE TO STATE. IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, WHETHER RESULTING FROM THE USE, MISUSE, OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT. SOME STATES DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU. Garmin retains the exclusive right to repair or replace

(with a new or newly-overhauled replacement product) the device or software or offer a full refund of the purchase price at its sole discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY. To obtain warranty service, contact your local Garmin authorized dealer or call Garmin Product Support for shipping instructions and an RMA tracking number. Securely pack the device and a copy of the original sales receipt, which is required as the proof of purchase for warranty repairs. Write the tracking number clearly on the outside of the package. Send the device, freight charges prepaid, to any Garmin warranty service station. online auction purchases: Products purchased through online auctions are not eligible for rebates or other special offers from Garmin warranty coverage. Online auction confirmations are not accepted for warranty verification. To obtain warranty service, an original or copy of the sales receipt from the original retailer is required. Garmin will not replace missing components from any package purchased through an online auction. International purchases: A separate warranty may be provided by international distributors for devices purchased outside the United States depending on the country. If applicable, this warranty is provided by the local in-country distributor and this distributor provides local service for your device. Distributor warranties are only valid in the area of intended distribution. Devices purchased in the United States or Canada must be returned to the Garmin service center in the United Kingdom, the United States, Canada, or Taiwan for service. Garmin International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, USA Garmin (Europe) Ltd. Liberty House, Hounsdown Business Park, Southampton, Hampshire, SO40 9LR UK Garmin Corporation No. 68, Jangshu 2nd Road, Sijhih, Taipei County, Taiwan November 2009 20072009 Garmin Ltd. or its subsidiaries Part Number 190-00720-10 Rev. E Printed in Taiwan