- Audiovox Rear Observation System Installation Manual
7
3. Signal Inputs 
The signal input connections for the system include:  
(1)  Rear Camera: By connecting rear camera with control box plug, users 
can see the rearview camera image when the car is in reverse. 
(2)  Hands Free Jack: Put the hands free plug (3.5mm) into hands free jack  
and put the other side of plug into the headphone jack of the mobile phone. (If 
necessary, try a compatible adapter). 
(3)  Video In, Video Out, Audio In, Audio Out, Audio/Video Input and 
 Output Plugs (3.5mm) are located in the control box. By connecting video 
and audio signals with these plugs, the user can enjoy watching 
video, only while the parking brake is on. 
Figure 5 










