Clarion MAX983HD Owner's Manual page 172

Troubleshooting
Problem
TV Tuner (When the optional TV tuner is connected)
The image is not
displayed.
The display is dark.
The colour of the
display is light or a
shade of colour is
not good.
When the VTR is
connected, the
image is disturbed.
When the TV tuner is
connected, the
image gets unclear.
The TV tuner has a
double or triple
image.
The TV tuner has
spots or stripes in
the image.
Mobile Phone (When the optional Bluetooth Interface Box is connected)
The mobile phone
cannot be
connected.
The system does not
operate correctly.
Strange noise is
heard from the
speakers.
76
MAX983HD
Cause
The parking brake is not
engaged.
The brightness control is
too low.
The operating condition is
not good.
The headlight of the vehicle
is lit.
The colour is not adjusted
adequately.
Improper NTSC/PAL
setting
Bad receiving condition
Bad receiving condition
Presence of jamming
The relevant profile is not
selected on the mobile
phone.
The Interface Box is trying
to restore the connection
with the previous mobile
phone.
There is no response from
the mobile phone.
The remaining battery level
of the mobile phone is low.
Remedy
Check that the parking brake is engaged.
Adjust the brightness properly.
The temperature inside the vehicle may be 0°C or
lower. Set to an appropriate temperature (25°C or
so) and check it again.
The display is made dark at night to prevent the
glare (When the headlight of the vehicle is lit in the
daytime, the display gets dark).
Check that Colour and Hue are adjusted properly.
Set the VTR to output the PAL signals.
A radio wave may not reach sufficiently due to
obstruction of mountains or buildings. Check it
again at a place where a radio wave can be
received properly.
It may be under the influence of radio wave
reflected by mountains or buildings. Check it again
after changing place or direction.
It may be under the influence from motorcars,
streetcar, power cable, neon sign, and so forth.
Check it again after changing place.
When selecting profiles is available, select a
profile with hands-free feature. Otherwise, register
the mobile phone again after deleting it from the
Phone Select screen.
Turn off the Automatic Connection function, then
register the mobile phone again.
Turn off the power of the mobile phone, then turn
it on again.
Charge the battery of the mobile phone.