2163 Lexis User Guide (final) 1/22/03 4:20 PM Page 2 user guide 2163 Lexis User Guide (final) 1/22/03 4:20 PM Page 4 cautions/notices . 24 cleaning . 24 appendix a: troubleshooting . 25-26 appendix b: warranty . 27 disclosure policies . 28 code of federal regulations . 29 LEXIS frequencies . 30 contents introduction . 1 package contents . 2-3 microphone features . 4-6 receiver features . 7 about channels . 8 connecting receiver . 9 professional fitting . 10 suggested uses for LEXIS system . 11 suggested settings for receiver . 12 suggested settings for microphone . 13 ways to use your microphone . 14-16 connecting mic to other devices . 17-18 batteries/charging . 19-22 extending microphone range . 23 replacing pin locks . 23 2163 Lexis User Guide (final) 1/22/03 4:20 PM Page 5 introduction C ongratulations on your decision to take the next step toward better hearing!
Many people with active lifestyles like yours have chosen Lexis to improve the quality of their participation in social situations. Lexis is an addition to your behind-the-ear hearing instruments. Simply attaching the small receiver to your hearing instrument creates the mobility and freedom to partici-
pate in situations that might otherwise be uncomfortable. Youll notice improved speech understanding in almost any environment even in the presence of noise or reverberation, or at a distance from the speaker. Your Lexis solution is compatible with most manufacturers hearing instruments, so even if you decide to change your hearing instrument, your investment is safe in Lexis. Lexis conforms to the guidelines of the Mosaic standard. Mosaic (www.mosaic-consortium.org) helps ensure the interoperability of new wireless systems for hearing healthcare. 1 2163 Lexis User Guide (final) 1/22/03 4:20 PM Page 6 1 typical package contents Microphone/
transmitter Lavalier cord Microphone charger Auxilliary input cables Receiver module(s) Extra color pin locks External antenna NiMH rechargeable batteries*
*NOTE: batteries need to be charged for ? hours before they are ready to use in the microphone/transmitter 2 2163 Lexis User Guide (final) 1/22/03 4:20 PM Page 7 you will also need:
Behind-the-ear hearing aid
(contact manufacturer for compatibility information) Audio shoe:
Must be compatible with your hearing aid Note: Some versions of Lexis include the audio shoe as a component of the receiver 3 2163 Lexis User Guide (final) 1/22/03 4:20 PM Page 8 2 microphone features (top) On/off/mode switch Charge jack Omni mode Focus mode Superfocus mode Auxilliary audio input jack Microphone grille External antenna jack 4 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 9 microphone features (bottom) Pocket clip HI/LO level button Battery chamber & stand Battery status & channel display Channel button 5 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 10 microphone features (display) Battery level indicator Display only shows channel number when in low sensitivity mode Display alternates between channel number and HI when set to boom mic (high sensitivity) level. Use Omni mode (See 10) to use the boom mic; Focus and Superfocus modes work normally. 6 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 11 3 receiver features Direct audio input pins FM gain control (professional use only) Channel label Pin orientation lock
(blue pin = right ear; red pin =left ear) Mode switch 7 2163 Lexis User Guide (final) 1/22/03 4:53 PM Page 12 4 about channels Your Lexis system is a radio device, and like any other radio, it communicates on specific channels. Your microphone and receiver must be on the same channel to work together. Never operate two microphones on the same channel youll experience annoy-
ing interference. If you are travelling internationally, be aware that your channel may not be approved for use in all countries. Contact your manufac-
turer for a list of channels approved around the world. 5 changing channels If you want to use your microphone with a receiver on a different channel, you can change the microphone channel as shown here. Microphone and receiver channels must match!
8 Push button to change channel 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 13 6 connecting the receiver to your hearing aid 7 changing pin orientation Audio shoe required
(see 1) Important!
Back of Lexis must face same direction as back of hearing aid 9 Note large pin If pins dont align with holes 1 Pull out lock 3 Push in lock 2 Rotate pins to align with audio shoe holes 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 14 8 professional fitting Your hearing instrument has unique characteristics. To work properly, your Lexis receiver must be adjusted to match those characteristics. Only a hearing care professional is qualified to perform such adjustments. Fitting procedures are available in the Lexis Fitting Guide. Please visit your hearing care professional for a complete fitting. Lexis has a unique feature in its variable FM gain control that allows your hearing care profes-
sional to change the FM signal relationship to the environmental sounds. This creates the optimal signal-to-noise ratio, which improves your ability to hear in noise and over distance. Your hearing instrument has distinctive characteristics, so for it to work properly with your Lexis receiver it must be correctly adjusted. Only a hearing care professional is qualified to perform these adjustments; please visit them for a complete fitting. These fitting procedures are available in the Lexis Fitting Guide. 10 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 15 9 suggested ways to use your Lexis system The possibilities are limitless, but here are some common uses:
classrooms meetings parties television car household 11 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 16 10 suggested settings for your receiver These are suggested starting points; with experience, you can quickly change the settings to suit your preferences. If distance or noise level is:
High Use:
Lexis only Med/Low Lexis + HA None HA only 12 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 17 11 suggested settings for your microphone These are suggested starting points; with experience, you can quickly change the settings to suit your preferences. If distance or noise level is:
High Medium Low None Use:
Superfocus SF Focus F Omni Off 13 NOTE: After turning on your microphone, you may notice a small delay while the system software loads 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 18 12 ways to use your microphone As you move from place to place from home to school to work to restaurants and parties you will find that your listening environment changes dramatically. You can use your versatile Lexis microphone to improve understanding in practically any of these environments, just by changing its position. The examples shown here are only suggestions with practice, youre sure to discover what works best for you. point and listen Point toward sound source Avoid covering grille Ideal for:
Parties Shopping Small group discussions 14 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 19 on the table around a friend or teachers neck Ideal for:
Conferences Large group discussions Restaurants Superfocus mode recommended. Ideal for:
Lectures Sports Parent/partner communication 15 NOTE: These user modes may require the external antenna for optimum performance. 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 20 clipped to a friend or teachers pocket a friend or teacher uses a boom mic
(optional accessory) Superfocus mode recommended. Ideal for:
Lectures Sports Parent/partner communication Provides the best possible signal. Ideal for:
Lectures Sports Parent/partner communication NOTE: These user modes may require the external antenna for optimum performance. 16 2163 Lexis User Guide (final) 1/22/03 4:21 PM Page 21 connecting a boom mic NOTE: You can override the boom mic signal by switching to Focus or Superfocus modes. 3 Push HI/LO button with pen to set to HI level 1 Switch to Omni mode 17 2 Plug in mic connecting to TV, stereo, & other devices 1 Mic must be at LO level; if it has previously been set to HI level for boom mic use, reset by switching to Omni mode and pushing the HI/LO button 2 Plug in cable 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 22 notes on connecting to TV, stereo, & other devices Your microphone must be set to LO level to connect to TV, stereo, and other devices If your microphone is off, it will automati-
cally turn on when you plug in the auxil-
liary input cable It is recommended that you use the TV Audio Out jacks (on the back of most TVs). If you use the Headphone jack, the TV speaker will turn off 3 Plug into TV, VCR, CD, etc. Switch to Omni mode to mix in environ-
mental sounds (focus modes are muted) If no auxilliary signal is present for 5 minutes (e.g., if the TV isnt on), your microphone will automatically turn off To override the 5-minute timeout, switch to Superfocus mode, then to Off 18 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 23 your receiver has no battery Indicator level drops as battery drains Your Lexis receiver draws a small amount of power from the battery inside your hearing aid. It does not have a battery of its own. Do not attempt to open the receiver case. 13 batteries Typical battery life: 8 hours The unit will shut down when battery voltage is too low. During shut-
down the unit power will cycle on and off to give an audio indication of low battery 19 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 24 charging in progress completed charging Never recharge alkaline batteries!
Never recharge alkaline batteries!
Typical charge time:
3 Plug in 2 Plug in Bars scroll while charging Battery bars flash when fully charged 20 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 25 replacing microphone batteries Your Lexis microphone uses 2 AAA batteries. These will eventually need to be replaced after about 1 year for rechargeable batteries, and after about 8 hours of use for Alkaline batteries. You can replace your batteries with any of the following:
Special short-sleeve rechargeable batteries from your dealer. Only these batteries can be recharged inside your microphone. Standard rechargeable NiMH batteries. These will not recharge inside your micro-
phone, but can be removed for charging. Standard non-rechargeable Alkaline batteries
(when you dont have time to charge). 21 NOTE: Always dispose of old batteries in approved battery recycling bins. It may be illegal to dispose in the trash. If you are not sure of proper disposal method, please consult your local authority. Remove tamper-
resistant screws
(if present) Screw may be hidden under rubber plug 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 26 removing batteries replacing batteries Squeeze and lift cover
NOTE: The positive and negative ends of AAA batteries may appear similar. Use care to orient them properly. 22 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 27 14 extending microphone transmission range 15 replacing pin locks You can color-code your pin locks to distinguish right and left receiver modules Internal antenna range is up to 5m/15ft To extend range up to 30m/100ft, add an external antenna:
For best range, antenna should point away from mic NOTE: Actual range may vary depending on environmental conditions. 23 1 Pull out lock completely 2 Push in new lock 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 28 16 cautions/notices 17 cleaning do not use on aircraft without permission of flight crew do not operate two transmitters on the same channel (causes interference) do not immerse Lexis units in water or other liquids some electronic devices (microwave ovens, for example) can interfere with your Lexis signal avoid clothing or hand noise on microphone supervise small children to avoid swallowing or choking on parts Clean gently with a soft, damp cloth Do not use solvents Do not immerse 24 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 29 appendix a: troubleshooting no sound at all Check the hearing aid in isolation to make sure it is not malfunctioning Check that receiver mode switch is in correct position Check that microphone mode switch is in correct position Check that receiver and microphone channels match Recharge or replace batteries Adjust FM gain control no FM reception Confirm that the DAI shoe is properly seated, undamaged, and set properly Check that mode switch is in correct position Check that the microphone is on 25 Check that receiver and microphone channels match Recharge or replace batteries weak or distorted sound Check for improperly fitting or clogged earmolds, or excess ear wax Recharge or replace batteries Adjust FM gain control (consult your hearing care professional) static, intermittent sound, or feedback Move away from sources of interference
(metal structures, computers, etc.) Make sure that no other microphone is broad-
casting on the same channel Clean and check battery contacts Check for improperly fitting or clogged earmolds, or excess ear wax Turn down FM gain control (consult your hearing care professional) 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 30 microphone batteries wont charge LCD battery icon will flash if there is a problem with charging Check that batteries are special short sleeve batteries all other batteries can not be charged Check that charger is plugged into working wall socket Clean charge jack LCD error codes E2 LCD communication error contact your service center for help E1 RF fault contact your service center for help Omni mode does not work Check the LCD panel if the panel is flashing HI, then your microphone is set to HI (or boom mic) level. Switch to Omni mode, and push the HI/LO biutton to reset the mic to LO mode. See 10 very noisy sound when plugged into TV, stereo If you experience a noisy signal when connect-
ing the microphone to TV, stereo, etc., check the LCD panel if the panel is flashing HI, then your microphone is set o HI (or boom mic) level. Switch to Omni mode, and push the HI/LO button to reset the mic to LO mode. See 10 26 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 31 appendix b: manufacturers warranty The manufacturer issues a one-year limited warranty to the original consumer of this product. manner contrary to the instructions provided by the manufacturer This warranty will go into effect upon the date of original purchase of this equipment, and will remain in effect for one calendar year from that date. what is covered by this warranty Any electronic component which, because of workmanship, manufacturing, or design defects, fails to function properly under normal use during the life of this warranty will be replaced or repaired at no charge for parts or labor when returned to the point of purchase. Transportation in is paid by the customer. If it is determined that repair is not feasible, the entire unit may be replaced with an equivalent unit upon mutual agreement of the manufacturer and customer. what is not covered by this warranty This one-year limited warranty does not apply to:
Malfunctions resulting from abuse, neglect, or accident Peripheral accessories as itemized within the product brochure, when such items are returned after 90 days from the original purchase Batteries Instruments connected, installed, used, or adjusted in a 27 Consequential damages and damages resulting from delay or loss of this instrument. The exclusive remedy under this warranty is strictly limited to repair or replace-
ment as herein provided. Products damaged in transit unless investigated by the shipper and returned to the warrantor with the investiga-
tion report. The manufacturer reserves the right to make changes in the design or construction of any of its instruments at any time without incurring any obligation to make any changes whatsoever on units previously purchased. This warranty is in lieu of all other expressed warranties by the manufacturer. No representative or person is authorized to represent or assume for the manufacturer any liability in connection with the sale or use of this product other than as set forth above. If your Lexis system requires service under the terms of this warranty, carefully package the instrument to prevent dam-
age in transit and return it to the point of purchase. Include a detailed description of the problem, your full name, billing and shipping address, and telephone number. 2163 Lexis User Guide (final) 2/10/03 2:22 PM Page 32 warranty (contd) The above warranty does not affect any legal rights that you might have under applicable national legislation governing sale of consumer goods. Your point of purchase may have issued a warranty that goes beyond the clauses of this l imited warranty. Please consult your point of purchase for further information disclosure policies This transmitter is authorized by rule under the Low Power Radio Service (47 C.F.R. Part 95) and must not cause harmful interference to TV reception or United States Navy SPASUR installations. You do not need an FCC license to operate this transmitter. This transmitter may only be used to provide: audi-
tory assistance to persons with disabilities, persons who require language translation, or persons in educational settings: health care services to the ill; law enforcement tracking services under agreement with a law enforcement agency; or automated mar-
itime telecommunications system (AMTS) network control communications. Two-way voice communications and all other types of uses not mentioned above are expressly prohibited. Labeling requirements This device may not interfere with TV reception or federal gov-
ernment radar, and must accept any interference received, including interference that may cause undesired operation. IMPORTANT NOTE: To comply with FCC RF exposure compliance requirements, only use supplied antenna that is sold with this transmitter. Use of any other antenna which has not been approved by the manufacturer will violate FCC rules and regulation and void the user's authority to operate this device. This device and its antenna(s) must not be co-located or operating in conjunction with any other antenna or transmitter. 28 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 33 code of federal regulations (United States only) C.F.R. 21 Part 801.420 LEXIS FM receivers and FM transmitters, when required, are approved by the Federal Communications Commission in the U.S. and Industry Canada. Other government approvals available upon request. (Other international regulations may also apply.) 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. Any changes or modifications made to any government-
approved element of this instrument, without the expressed approval of the manufacturer in writing, could void the users authority to operate those elements of the system. If any changes or modifications are made it will be the responsibility of the party performing the changes or modifi-
cations to ensure continued compliance with the FCC regula-
tions and they are required to: (1) File for a new equipment authorization, or (2) Relabel the product(s) with This prod-
uct has been modified by [insert the name, address and telephone number of the party performing the modification]. 29 Part 95 This transmitter is authorized by rule under the Low Power Radio Service (47 C.F.R. Part 95) and must not cause harmful interference to TV reception or United States Navy SPASUR installations. You do not need an FCC license to operate this transmitter. This transmitter may only be used to provide: auditory assistance to per-
sons with disabilities, persons who require language translation, or persons in educational settings; health care services to the ill; law enforcement tracking services under agreement with a law enforcement agency; or automated maritime telecommunications system
(AMTS) network control communications. Two-way voice communications and all other types of uses not men-
tioned above are expressly prohibited. This device may not interfere with TV reception or feder-
al government radar, and must accept any interference received, including interference that may cause unde-
sired operation. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. 2163 Lexis User Guide (final) 1/22/03 4:22 PM Page 34 Lexis frequencies (MHz) Austria Belgium Finland Germany 174.12 174.415 174.60 181.90 187.50 194.50 173.99 173.99 174.075 174.275 174.425 174.60 175.00 175.70 176.00 180.45 187.45 194.45 207.85 208.00 208.10 Spain Sweden UK Greece Ireland Italy Luxembourg Netherlands Norway Portugal 173.40 173.99 From 173.7 To 175.1 173.99 174.12 174.415 174.77 175.70 176.00 181.21 173.40 207.85 208.00 208.10 173.8125 173.9625 174.12 174.41 173.99 174.12 174.415 174.77 175.70 176.00 181.21 175.70 187.45 194.45 207.85 173.40 174.12 174.415 174.60 174.77 30 2163 Lexis User Guide (final) 1/22/03 4:20 PM Page 1 Date of purchase:
My hearing care professional:
My serial number:
My channel number:
2002 Phonic Ear Inc.
???-????-101/Rev. A/2163 0203