Rosen Entertainment Systems Rear Observation System Package RVMPKG1 - Manual (Page 10)

10
Occasionally clean the surface of the mirror with a soft cloth moistened with water or
window cleaner.
Troubleshooting
Table 1 Rearview Mirror
Symptoms Solutions
The ON/OFF signal light <E> is not
on after the car is started? 1. Check the installation-wiring diagram.
2. Ensure that the parallel red and black line
from the control box is connected
properly.
3. Check for 12 volts on the blue wire while
Ign on.
No video signal appears while
reversing the car?
1. Check the LCD Contrast (Brightness)
control knob whether the contrast knob is
set too low.
2. Check the rearview Camera lens.
3. Check the rearview Camera wiring and
connection.
4. Check the cable from the rearview mirror
is connected to the control box.
5. Check out the wire connection (to find out
whether the system’s reverse wire cable is
connected to the reverse switch gear of the
car)
Video image is not sharp enough?? 1. Clean the lens of the camera.
Table 2 Hands Free Phone
Symptoms Solutions
When the Hands Free Phone
Function is not working?
1. Check the volume control knob
whether the volume is set too low.
2. Check to see if the hands free cable
plug to the phone hand set input
jacket is properly connected.
3. Check whether the mobile phone
hands free cable plug is properly
connected to the control box.