Mitsubishi Electric Unisen 154 Series Owner's Manual page 88

88
Appendices
Appendix E: Troubleshooting, continued
TV Channels
Symptom
1. The TV takes several seconds to respond to
channel changes.
2.
You cannot access a channel.
3.
When ChannelView list is displayed, informa-
tion appears incomplete
TV Power On/Off
Symptom
1. TV takes an excessively long time to power
on.
2. You cannot program the TV to turn on auto-
matically (Timer function)
3.
TV turned itself off and the light on the front
panel started to blink.
4.
TV will not power off.
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Remarks
• It is normal for digital channels to take longer to tune in.
ENTER after entering a channel number to minimize
• Press
delays.
• Use a 4-digit number for an over-the-air digital channel.
• Use a 6-digit number for digital cable channels if your cable
service is able to recognize 6-digit channel numbers.
• Use number keys instead of
• Be sure the channel you want to view is in memory.
• Check that the TV is switched to the correct device or
antenna for that channel by pressing the INPUT key.
• Make sure the
• If you cannot tune to a virtual digital channel even though the
TV has already memorized digital channels, tune to the physi-
cal channel number used by the broadcaster. The virtual
channel will then be automatically added to memory.
• You may be trying to tune to an analog channel that is no
longer broadcasting.
INFO to update the display for the highlighted channel.
• Press
• Program information is displayed only for the currently tuned
channel.
• Available information is sent from the broadcaster or cable
provider. No other data is available.
• Make sure the TV clock is set correctly.
Remarks
When powered on, the TV needs time to boot up, just as a com-
puter does.
• The TV may be locked.
• The clock may not be set.
• Momentary power fluctuation can cause the TV to turn off
to prevent damage. Wait for the green light to stop flashing
and turn the TV on again.
• If the TV does not stay on, press the
control panel for at least eight seconds to perform System
Reset. If this happens frequently, obtain an AC line power
conditioner/surge protector.
• An unusual digital signal may have been received, triggering a
protection circuit. Wait for the light to stop flashing and turn TV
on.
Press the POWER button on the control panel for ten seconds to
perform System Reset.
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CH.
Lock > Parental menu lock is set to Off.
POWER button on the