Nikon 837 Series, C9 SERIES, 737 Series manual Appendix E Troubleshooting

78Appendices

Appendix E: Troubleshooting, continued

NetCommand IR Control (NetCommand-equipped models only)

Symptom		Remarks
3.	The A/V receiver is the selected audio source	• A/V Receiver Set Up for Audio-Only Switching
	but there is no sound.	- Check to see if the A/V Receiver power is turned on.
		- With A/V receiver power turned on, redisplay the Activ-
		ity menu and press ENTER to allow NetCommand to
		correctly select the A/V Receiver input.
		- Incorrect setup in the Inputs > AVR menu. Check the
		device connection assigned in the AVR menu.
		• A/V Receiver Set Up for Audio and Video Switching over HDMI
		- 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.
		- 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.
4.	There is no sound from the A/V receiver	NetCommand A/V receiver setup for the DVD player or digital
	for my DVD player or other surround sound	surround sound device or other device is not switching prop-
	device even though I learned the IR code for	erly. See the owner’s guide and perform A/V receiver setup for
	the A/V receiver’s DVD input or other input.	a digital surround sound device.
	(A/V Receiver Set Up for Audio-Only Switch-
	ing)
5.	There is no sound or picture from the A/V	NetCommand A/V receiver setup is not switching audio and
	receiver for my DVD player or other device	video inputs properly. See the owner’s guide.
	connected to the A/V receiver; the A/V
	receiver should be sending video to the TV
	over an HDMI cable.
	(A/V Receiver Set Up for Audio and Video
	Switching over HDMI)
6.	I’ve selected my DVD player or other sur-	• A/V Receiver Set Up for Audio-Only Switching
	round sound device in combination with the	If you have only an audio connection from the device to the
	TV speakers but hear no sound from the TV	A/V receiver, a physical audio connection from the device
	speakers.	to the TV is also required.
		- Connect the left and right audio output from the device
		to the appropriate TV audio input. Now you can hear
		audio from the device through either the TV speakers or
		the A/V receiver.
		- To switch audio sources, press MORE 9 (Audio), press
		to show the Speakers option, then press to
		select AV Receiver or TV.
		• A/V Receiver Set Up for Audio and Video Switching over HDMI
		With your DVD player connected to the A/V receiver, only
		video is passed from the A/V receiver to the TV because of
		copy-protection restrictions on the HDMI signal
7.	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	your cable box or satellite receiver.
	VCR/DVR did not record anything.