Mitsubishi Electronics LT-46148 Flat Panel Television User Manual


 
Appendices 85
TV Channels
Symptom Remarks
1.
The TV takes several seconds to respond to
channel changes.
• Itisnormalfordigitalchannelstotakelongertotunein.
• PressENTERafteraenteringchannelnumbertoavoid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.
General TV Operation
Symptom Remarks
1.
The TV remote control does not work. Check that the batteries are fresh and installed correctly.•
Check that the slide switch on the remote is set to TV.•
Be no more than 20 feet from the TV when using the remote •
control.
Program the remote control to operate the TV or other device.•
Reset the remote control.•
If you have a custom home theater controller but prefer to use •
the TV’s remote control, unplug the controller cable from the
TV’s IR—NetCommand® Output/External Controller Input.
2.
When I try to use the remote control, the
POWER key blinks five times.
Replace the batteries.
3.
TV does not respond to the remote control or to
control-panel buttons and TV will not power on
or off.
Unplug the AC power cord for 10 seconds.•
Use the System Reset button.•
If you have a custom home theater controller but prefer to use •
the TV’s remote control, unplug the controller cable from the
TV’s IR—NetCommand® Output/External Controller Input.
4.
When a device is selected from the Input Selec-
tion menu, the screen is blue or black (no signal
source).
• Makesuretheselecteddeviceisturnedon.
• Beginplayofthedevice.
5.
You have forgotten your Lock menu pass code. See Appendix B, “Bypassing the Parental Lock,” page 67.
6.
Rating restrictions are not working. Open the Parental Lock menu and:
Verify that the U.S. Ratings or Other Ratings setting is On.•
Check the Lock Time/Unlock Time to check if rating restric-•
tions are disabled.
Rating restrictions apply only to content on ANT 1 and ANT •
2, and VIDEO composite video jacks.
Not all broadcasters send ratings. Contact your local •
broadcaster or cable provider.
7.
On-screen displays appear each time you
change a function.
Normal TV operation.
8.
I am using CEC for my HDMI devices but control
is erratic and I wish to disable it.
Turn off the TV’s CEC control. See Inputs > Name menu, •
page 50.
Disable CEC on the device itself (see the device’s instruc-•
tions),
If the problem persists, even after disabling the device’s •
CEC, do the following:
Disconnect the device from the TV.1.
Open the Inputs > Name menu. Highlight the device 2.
and select Delete to remove the device from the Input
Selection menu.
Reconnect the device to the TV and Auto Input Sensing 3.
will recognize the device as a non-CEC device.
Appendix F: Troubleshooting, continued