19
Battery replacement
The remote controller has two AA batteries. If the distance from which the remote controller
can be operated has decreased, change the battery.
Note:
Replace all batteries together. Do not mix old and new batteries.
WARNING
Ensure
battery
polarity
is
correct.
Wrong
polarity
may
cause
the
batteries
to
explode.
5.2 Troubleshooting
The table below provides troubleshooting procedures to use when no picture appears. If
you cannot restore the picture, do not attempt to check inside the equipment – there are no
user serviceable parts inside. Refer any work to a qualified technician.
Troubleshooting table
Reason for no picture
Remedy
Ship’s battery voltage too high
Check battery voltage.
Fuse has blown.
Replace fuse.
Cable between MU-120C and external
equipment has loosened.
Refasten cable.
Power cable has loosened.
Refasten cable.
You can confirm which signals are currently input in the SYSTEM menu.
SYSTEM menu
RGB1 RGB2 DVI VIDEO1 VIDEO2 VIDEO3 OSD
SYSTEM
INFRARED REMOTE A A
DEFAULT RESET NO
INFORMATION
RGB1 : 1280x1024 fH: 80KHz fV: 75Hz
RGB2 : 640x480
fH: 31KHz fV: 60Hz
DVI : NO SIGNAL
VIDEO1: NTSC
VIDEO2: PAL
VIDEO3: NO SIGNAL
PROGRAM NO. *****
