Installing and operating a backup camera in your vehicle doesn’t have to be complicated. The Dohonest backup camera system is designed for a straightforward setup that will have you backing up safely in no time. Let’s walk through the process step-by-step.
Installation Guide
System Connection Diagram
First, take a look at how the system components all connect together:

Recommended Installation Locations
- Camera: Close to rear marker lights, centered on vehicle
- Monitor: Dashboard area for easy viewing
Cable Connections
- Red wire to ignition hot (+) 12-32 volts
- Black wire to ground (-)
- Green trigger wire to backup light or backup beeper wire to activate monitor when in reverse
Powering the System
- Connect the red wire (ACC+) to the fuse switch
- Locate your vehicle’s circuit fuse box
- Connect red wire to corresponding power fuse (12-32V)
Note: Connecting direct to battery will keep camera always on and drain battery, so use ignition switched power.
Installing the Camera
- Choose ideal centered rear location
- Mark and drill holes, routing camera wire through
- Secure bracket with screws
- Adjust angle as needed
Installing the Monitor
- Choose easily viewable dashboard area
- Remove monitor and secure bracket with screws
- Place monitor in bracket
- Adjust angle for best viewing
Control Operation Guide
The system comes with a handy control to operate all functions:
Buttons:
- Power button
- Video select button
- Left arrow (Positive/increase) button
- Menu button
- Right arrow (Negative/decrease) button
- Mode select button: Rotate flip image/normal/mirror image setting
Function Operations:
- V1/V2 Button: Switch between CH1 and CH2 camera channels
- Mode Button: Rotate/flip image between normal and mirror modes
- Power Button: Turn monitor on/off and standby
- Menu Button Operations:
- Press 1 time: Enter brightness adjust mode
- Use +/- to increase/decrease value (0-40, default 20)
- Exits after 10 seconds
- Press 2 times: Enter contrast adjust mode
- Use +/- to increase/decrease value (0-40, default 20)
- Exits after 10 seconds
- Press 3 times: Enter color adjust mode
- Use +/- to increase/decrease value (0-40, default 20)
- Exits after 10 seconds
- Press 4 times: Enter language adjust mode
- Use +/- to cycle languages (English, Francais, etc)
- Default is English
- Exits after 10 seconds
- Press 5 times: Enter default settings mode
- Use +/- to reset brightness, contrast, color, volume, ruler
- Language, RLUD, VCOM cannot be reset
- Exits after 10 seconds
- Press 6 times: Enter volume adjust mode
- Use +/- to increase/decrease value (0-40, default 20)
- Exits after 10 seconds
- Press 7 times: Enter RLUD adjust mode (rotate/flip image)
- Use +/- to cycle between 1, 2, 3, 4 settings
- Rotates/flips each camera channel individually
- Allows correct front/rear orientation (e.g. 4=rear, 3=front)
- Exits after 10 seconds
- Press 8 times: Enter VCOM adjust mode
- Use +/- to increase/decrease value (0-40, default 20)
- Exits after 10 seconds
- Press 9 times: Enter parking guideline (ruler) adjust mode
- Use +/- to increase/decrease value
- NOTE: Valid for CH2 channel only, not CH1
- Exits after 10 seconds
- Press 10 times: Enter version check mode
- Exits after 10 seconds
- Press 1 time: Enter brightness adjust mode
- Parking Guideline Setting: Same as Menu button press 9 times
- Mirror Image Setting: Same as Menu button press 7 times
Let this handy remote guide you through all available settings and adjustments for your DoHonest backup camera system!
