Mitsubishi Electronics 154 manual Appendices91

Appendices91

Appendix E: Troubleshooting, continued

NetCommand IR Control (NetCommand-equipped models only)

Symptom		Remarks
1.	NetCommand unable to learn specific device	• A/V Device does not use IR format for remote control
	keys.	signal. ITT and RF formats cannot be learned.
		• Room lighting may affect the signal. Have the remotes very
		close (6 inches or less) to the TV during Learning.
		• Some, but not all, device key functions can be learned
		by NetCommand. For example, POWER and PLAY may be
		learned, but other functions may not.
		• The signal from the remote control may not be strong
		enough. Insert fresh batteries and try Learning again.
		• The key was “learned” correctly but can be accessed only
		from the Tools menu.
2.	The A/V receiver is the selected audio source	A/V Receiver Set Up for Audio and Video Switching over HDMI
	but there is no sound.	-- Check to see if the A/V Receiver power is turned on.
		-- If the device is connected only to the TV (e.g., on
		ANT or a front panel input), verify that the TV’s AUDIO
		OUTPUT is connected to the A/V receiver and the
		correct key has been “learned.”
		-- The A/V receiver is not switching properly because
		you have not learned the IR codes for the A/V receiver
		inputs to which your devices are connected.
3.	There is no sound or picture from the A/V	The NetCommand A/V receiver setup is not switching audio
	receiver for my DVD player or other device	and video inputs properly because you did not “learn” the
	connected to the A/V receiver; the A/V	A/V receiver’s IR codes for the device inputs. See “Automatic
	receiver should be sending video to the TV	Audio/Video Switching Over an HDMI Connection,” page 69.
	over an HDMI cable.
	(A/V Receiver Set Up for Audio and Video
	Switching over HDMI)
4.	I’ve selected my DVD player or other sur-	A/V Receiver Set Up for Audio and Video Switching over HDMI
	round sound device in combination with the	With your DVD player connected to the A/V receiver, only
	TV speakers but hear no sound from the TV	video is passed from the A/V receiver to the TV because of
	speakers.	copy-protection restrictions on the HDMI signal
5.	I “learned” the RECORD key for my VCR/DVR	Check that the VCR or DVR is receiving a signal directly from
	but when I pressed the RECORD key, the VCR/	your cable box or satellite receiver.
	DVR did not record anything.

For assistance call 1(800) 332-2119