CT404DM user's manual Product Name2.4GHz Wireless digital receiver Product ModelCT404DM 1 Introduction This mini size product adopt with an advanced microwave and wireless transfer technology developed and manufactured by 2.4GHz wireless digital receiving modules, which has a stable performance and strong anti-interference function. This product can be used for wireless cameras to record wireless camera signals. 2 What's included:
The following devices should be included in the box. Please check that you have them all before installation. A One receiver B One power adapter for receivers C One RCA cable 3 Main features. 3.1 Support up to 4 cameras synchronous. 3.2 Digital 2.4G wireless modules. 3.3 Support A/V output 3.4 Support AE and AWB 3.5 Support OSD screen-controlled operation 3.6 Support 4 Channels display in Quad 3.7 Support automatically channels switch 3.8 Transmission distance up to 100M ( open space ) 3.9 M-JPEG format Compression 3.10 Support 2 times digital zoom 4 Buttons 4.1 Mode switching Switch from quad mode to single channel mode 4.2 Pairing 4.3 Menu 4.4 Auto Scan 4.5 Right/CH2 4.6 Up/CH1 4.7 Manual Scan 4.8 Down/Ch3:
4.9 Left/CH4 4.10 SMA antenna 4.11 Power LED Pairing the cameras and receiver OSD menu display Switching the channels automatically with set time interval Move to the Right / Switch to Channel 2 Move Up / Switch to Channel 1 Switching the channel manually Move Down / Switch to Channel 3 Move to the Left / Switch to Channel 4 SMA antenna plug in Red Light when power on 5 Back panel 5.1 DC 5V/9V input 5.2 A/V output 6 Menu Enter the Menu option to setup the main feature of this product. Through Right/Left button can adjust parameters, and through Up/Down button can select the features to set. 6.1 ZOOM in: Select ON/OFF to enable the zoom in function. This product can support 6.2 SCAN TIME In this option can setting the intervals for switching channel zoom in the images for 2 times. automatically. 5 seconds ~20 seconds, time for interval for scanning. button to reduce/increase the volume. use the Left/right button to adjust it. 6.4 BRIGHTNESS: Adjust the brightness of images output, range of brightness is 0~5, 6.3 AUDIO VOL: Adjust the volume of the audio range from 0 to 20. Use the Left/right 6.5 PAIR: In this option you can pair the cameras with the specific channels, press the Pair button, through the Right/Left button can choose the channel; one channel can only pair with one camera. After selecting the specific channel and press the pair button there will appears the matching information as follows:
Press the Pair the button on corresponding camera and wait for a while, the monitor which connected to the receiver will appear the images from the cameras that have matched. Pairing succeeded. 6.6 TV OUT: In this option allow you to select the 2 different format (NTSC/PAL) for video output resources. 6.7 Channels selection hot keys You may select channel by using corresponding hot key as below to manually choosing channels. Channel 1Up Channel 2Right Channel 3Down Channel 4Left Circulation ButtonMonitor screen circularly output the image form Channel 1 Channel4Channel1. The receiver will skip the channels that cameras are not available. 7 Troubleshooting Symptom The power does not turn on. Remedy
Check that the AC power cord is connected securely.
Check if Monitor it is on and work under NTSC / PAL
(In case of power failure) Check the breaker. No image display on model monitor
Check monitors video cable and connections.
Check camera video cable and connections. There is no sound.
Confirm that the camera has power offered.
Check if the audio output is well connected with monitor.
If there is a microwave oven close by, turn the microwave oven off. Interruption in Image and Sound
You may have other units that run on the 2.4GHz signal. Move their base away from both the transmitter and/or the receiver
Your home may have a metal frame that reduces the range of the unit. Contact your SVAT customer service for more information
Move the Cameras and/or the receiver around to see it reception Poor Reception improves. Quality
Make sure all the A/V cables are plugged firmly and tightly.. 8 Technical specifications Power input Video output Audio output Video format Type of antenna Auto-channel switch DC+5V RCA x 1 RCA x 1 NTSC/PAL SMA antenna yes Auto-switch time 520seconds Camera Brightness adjustment Support up to 4 cameras at the same time 0~5 2 times yes 100Mtest in the open air yes Digital zoom Four split-screen Transmission distance OSD menu 9 Notes 9.1 This product can not be folded, pressed or impacted. 9.2 The repairing of this product can only be done by the Professionals. 9.3 The parts of this product can not be open by non-professionals. 9.4 This product can not be used in high temperature environments. 9.5 Replacement Parts When replacement parts are required, be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock or other hazards. 9.6 Precision Electronics Co., Ltd. does not have the responsibility if customer attempt for any illegal use of this product. 9.7 The book is finally be interpreted by Precision Electronics Co., Ltd. 10 Antenna Requirent According to the FCC Part 15 Paragraph 15.203, an intentional radiator shall be designed to ensure that no antenna other than that furnished by the responsible party shall be used with the device. The use of a permanently attached antenna to the intentional radiator shall be considered sufficient to comply with the provisions of this section. This product has a permanent antenna, fulfill the requirement of this section FCC NOTE:
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. FCC NOTE:
The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications to this equipment. Such modifications could void the user's authority to operate the equipment.