Axion CRV 7044 AIR User manual

Instruction Manual
CRV 7044 AIR
2,4G Digital Wireless Set with
7" LCD color monitor

Contents
1. Precautions ............................................................................................................1
2. Features.................................................................................................................2
3. Technical Specifications...........................................................................................2
4. Accessories.............................................................................................................3
5. Parts Identification..................................................................................................3
6. Basic Operation......................................................................................................4
7. Menu....................................................................................................................5
8. Troubleshooting....................................................................................................10

1
1. Precautions
●Storage and Keeping
1. Do not expose the monitor to excessive heat or cold. The storage temperature of this device is -30~+80℃, and the
operating temperature is -20~+70 ℃. The humidity is Rh90%.
2. 4. Avoid dropping or striking this device.
3. Avoid using this device in enclosed spaces, areas with excessive vibration or subject to
severe impacts.
4. Never puncture, scratch or use abrasive cleaning materials on this device.
5. Do not place cables where they may be pinched or stepped on.
●Operating Precautions
●1.The device may be powered by a 12 or 24 volt automotive battery or vehicle electrical system.
2. Make sure all cables are connected properly. Observe polarity. Improper cable connections may damage the
monitor. Remove the power cable connections when you do not intend to use the device.
Warning!
1. High voltage is present within the monitor. The opening of the case should be by professionals.
2. Do not watch the video while driving unless you are monitoring the rear view camera display.
Special Notice
Occasionally, a few highlights or dark spots may occur on the LCD screen. This is a very common phenomenon in active matrix
display technology, and doesn’t necessarily indicate any defects or faults. Never try to repair this device by yourself. In case of any
problems, please turn off the display at once and notify our company or authorized dealer. The monitor is a complex device. Any
disassembly or modification may lead to damage and void the warrantee.
This symbol is intended to alert the user not
to waste electrical and electronic equipment.
●Declaration of conformity
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.
(2) This device must accept any interference received, including
interference that may cause undesired operation.

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2. Features
1. TFT LCD monitor with wide angle view and high resolution display.
2. NORMAL, MIRROR, FLIP and MIR-FLIP viewing available.
3. Split mode, auto-scan mode and single-display mode available.
4. Auto pairing: Auto pairing happens when camera is activated.
5. Auto dim function available.
6. 4 wireless camera input.
7. Multiple video formats: PAL / NTSC.
8. Wide voltage input: 10 - 32V.
9. On-board speaker.
10. Auto switch to the working channel when trigger is activated
3. Technical Specifications
LCD size 7"
Resolution 800 x 3 (RGB) x 480
Contrast 500:1
Brightness 400 cd/m²
Viewing Angle U: 50 / D: 70, R/L: 70
Dot pitch 0.0642(W) x 0.1790(H)
Aspect Ratio 16:9
Channel 4 channels
Operating Frequency 2400 - 2483.5 MHz
Receiving Sensitivity -89 dBm
Decompression Form MPEG4
Emitting Frequency 17 dBm
Modulation 2.4G FSK/GFSK
Time Delay 120ms
Transmitting Distance 120 M
System Format PAL / NTSC
Power Supply DC 10-32V
Power Consumption Max. 6W
Loudspeaker 1.5W/8
Operating temperature -20~+70ºC,RH90%
Storage temperature -30~+80ºC,RH90%

3
4. Accessories
5. Parts Identification
Center Mount Bracket
Sun Shield
Power cable
Power switch
Volume increase OK confirm
Loudspeaker
Menu
Digital Color
LCD screen
Power indicator
Li
ght level sensor
Volume decrease
Select channels

4
6. Basic Operation
7.1 Installation of Center Mounting Bracket:
Adjust monitor level by sliding the support to the
desired height.
Adjust the angle of the monitor and tighten the
knob on the center mounting bracket.
Single red wire to positive power supply of DC/10-32V.
Single black wire to GND.
Single brown wire to positive power wire of back-up light.
Single white wire to positive power wire of left light .
Single blue wire to positive power wire of right light .
Single green wire to any other trigger control
Support attaching piece
Knob

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7.3.Reversing Display:
7.3.1. When the white wire is connected to the positive wire of the left turn
light , the monitor automatically switches to Left(left side camera)
when the left turn indicator is activated.
7.3.2. When the blue wire is connected to the positive wire of the right turn
light, the monitor automatically switches to Right (right side camera)
when the right turn indicator is activated.
7.3.3. When the brown wire is connected to the positive wire of back-up light,
the monitor automatically switches to Back (back-up camera) when
the back-up light is turned on. The distancing grid will also be displayed.
7.3.4.When the green wire is activated, the monitor automatically
switches to Front.
7. Menu
●Press MENU to display the following options and settings:
1. MODE
2. PICTURE
3. MIR-FLIP
4. AUTOSCAN
5. SYSTEM
6. PAIRING

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(1) Press or to select MODE. Press OK to enter the submenu, and press or to select
QUAD/H-SPLIT, Press MENU return to main menu
(2) Press or to select PICTURE, and press OK to enter the submenu.

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Press or to select BRIGHTNESS / CONTRACT / HUE / VOLUME, and then press OK to
enter the setting accordingly. When the icons turn red, press or on menu for selection
decreasing or adding. Press OK to exit the menu. At the submenu, press MENU return to main
menu.
(3) Press or to select MIR-FLIP, and press OK to select.
Press or to select NORMAL / MIRROR / MIR-FLIP / FLIP. Press MENU return to main menu
(4) Press or to select AUTOSCAN, Press OK to enter .

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Press or to select F-CAM/L-CAM/R-CAM/B-CAM/SCANTIME, and then press OK to enter
the setting accordingly. When the icons turn red, press or on menu for selection decreasing
or adding. Press OK to exit the menu. At the submenu, press MENU return to main menu.
If the channel is turned OFF, image of the corresponding camera will not be shown in AUTOSCAN
display mode.
Setting scale of SCANTIME is 5-45S, with the step time of 5s.
(5) Press or to select SYSTEM, Press OK to enter .
TIME：Press or to select TIME, Press OK to set. Press or for selection decreasing or
adding. Press OK to continue the setting when finishing the previous operation.

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COLOR-SYS: Press or to select COLOR-SYS, Press OK to enter, Press or to select
NTSC/PAL.
AUTO-DIM: Press or to select AUTO-DIM. Press OK to enter, and then press or to
select ON/OFF. When it is on, the monitor will automatically turn darker when it is placed in dark
environment for 5s.
ELETRONIC DISTANCE LABEL: Press or to select ELETRONIC DISTANCE LABEL. Press OK to
enter, and press or to select ON/OFF, to open or close the electronic distance label. When it is
on, the electronic distance label will be displayed in Back channel.
(6) Press or to select PAIRING, Press OK to enter .
Auto pairing:
1. Choose the channel that needs to be set up, and the monitor display the message “please press pair
key on camera side 20” and a counter that counts down 20s.
2. Within the countdown, power the camera.
3. The monitor and cameras will synchronize themselves with each other after the camera is powered
for 5s.
For successful auto pairing, the picture appears. If pairing is unsuccessful, the monitor displays the
message “No Signal”. Repeat the pairing procedure.
Manually pairing:
1. Choose the channel that needs to be set up, and the monitor display the message “please press pair
key on camera side 20” and a counter that counts down 20s.
2. Press the pairing button on the power-on camera.
3. The monitor and cameras will synchronize themselves with each other.
For successful auto pairing, the picture appears. If pairing is unsuccessful, the monitor displays the
message “No Signal”. Repeat the pairing procedure.

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8. Troubleshooting
The symptoms described below do not necessarily mean a failure within the display.
Please check the following items before you initiate request for repair.
Symptoms Possible Causes/Solutions
No picture, no sound Improper connection of automobile adapter. Use of un-
authorized power supply. Power switch is on OFF position.
No picture Check whether AV cable is properly connected
No sound Check whether audio wire is properly connected or the sound
volume is turned off or set too low.
Dark picture Check whether brightness and contrast are adjusted correctly.
No color Adjust the color settings.