Appendix b: troubleshooting, continued – MITSUBISHI ELECTRIC 3D DLP HOME-CINEMA TELEVISION SERIES 742 User Manual
Page 45

Appendices
45
For assistance call 1(800) 332-2119
Appendix B: Troubleshooting, continued
General TV Operation
Symptom
Remarks
9. I have turned on CEC for my HDMI devices
but control is erratic and I wish to disable it.
• First turn off the TV’s HDMI control for the specific device.
Open the
Inputs > HDMI Control menu, select the device,
select
Off.
• Disable CEC on the device itself. See the device’s instruc-
tions.
• If the problem persists, do the following:
1. Disconnect the device from the TV.
2. Open the Inputs > Name menu and select Delete for
the device.
3. Reconnect the device to the TV and Auto Input Sensing
will recognize the device with CEC disabled.
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 entering a channel number to minimize
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.
2. You cannot access a channel.
• Use number keys instead of
CH.
• 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
Lock > Parental menu lock is set to Off.
• If you cannot tune to a virtual digital channel even though
the TV has already memorized digital channels, tune to the
physical 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.