Appendices
27
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Appendix C: Troubleshooting
Reset Name
When to Use
How to Use
Resulting Action
Format
If the picture shape
seems incorrect, use
the
FORMAT
key to
change the picture
shape.
Press
FORMAT
to cycle through the
picture shapes available for the
signal.
The last-used format for the
signal type will be recalled on the
input.
Note:
Also check the aspect
ratio feature on your cable box or
satellite receiver as this may be
altering the picture.
A/V Memory
Reset
(for the single
current input)
When audio and/
or video settings for
a single input seem
incorrect, use A/V
Memory Reset to
return the input to
the original factory
settings.
1.
While viewing the input to reset,
press
MENU
and go to
Picture >
Reset
.
2.
Press to highlight
Reset
.
3.
Press
ENTER
again to reset.
Most Audio and Video settings
for the individual input are reset
except for the global settings
for audio Balance, Listen To,
Language,Advanced.
A/V Reset
(for all inputs)
To reset audio and
video adjustments for
all inputs to the original
factory settings.
While viewing the TV, press the
control-panel buttons
INPUT
and
VOLUME DOWN
at the same time for at
least two seconds.
Most Audio and Video settings
are returned to the original
factory settings, including global
settings not affected by
Picture
> Reset
.
Channel
Memorization
To erase and re-mem-
orize channels on the
ANT
input.
1.
Press
MENU
and go to
Setup >
Channel
.
2.
Highlight the reception mode,
e.g.
Ant Air
, and press
ENTER
.
3.
Highlight
All Channels
and
press
ENTER
.
4.
Highlight
Scan
.
5.
Press
ENTER
to start channel
memorization.
All previously memorized chan-
nels for the antenna input are
erased and a new set of memo-
rized channels is created. All
channel information in the FAV
menu and Channel Lock is
deleted. To add or delete indi-
vidual channels, use the
Setup >
Channel > Edit
menu.
Lock Menu
Pass Code
To change your
Lock
menu pass code
Press the
9
and
LAST
keys simultaneously to temporarily unlock the TV. See
the supplemental Owner’s Guide at
www.mitsubishi-tv.com
for more.
Control-Panel
Lock Release
To re-enable the
control-panel buttons
after activation of the
Control-Panel Lock
Press and hold the
INPUT
button on
the control panel for ten seconds. If
the TV is powered off, you can now
press the
POWER
button to turn it on.
Allows the control panel to be
unlocked if the remote control is
misplaced.
System Reset
If the TV does not turn
on or off, does not
respond to the remote
control or control-
panel buttons, or has
audio but no video.
Press and hold the
POWER
button on
the control panel for ten seconds.
The TV will turn off. The green
LED will flash quickly for about
one minute. The changes you
made most recently, before using
SYSTEM RESET
, may be lost.
TV Re set Comparison Guide
You can resolve many common TV problems using the
reset functions described in the following table.
IMPORTANT
Before you change sound or picture settings:
If
picture or sound settings seem wrong for a broadcast
channel (a channel from the
ANT
input, a cable box, or
satellite receiver), first check other channels from the
same input before changing settings. If most other
channels from the same input seem correct, there is
likely a problem with the broadcast rather than with the
TV. Use care in this case, as changes you make to fix
problems on individual channels also affect all other
channels on the same input.
Additional troubleshooting tips are in the supplemen-
tal Owner’s Guide at
www.mitsubishi-tv.com
.
Summary of Contents for 3D DLP C12 Series
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