Polycom 512, 128, MP manual Video

Troubleshooting

Symptom	Cause	Solution
Near-site or far-site can		Turn on the VCR input by selecting the NEAR
not hear or see the VCR	VCR input is not selected.
		key twice and selecting the VCR icon.
audio.
Video
Picture is blank on the	System goes to ‘sleep’ mode	Pick up the remote control. System will wake
main monitor.	after 10 minutes of inactivity.	up.
	Monitors are connected to the	Connect Monitor 2 to the Monitor 2
Same picture is seen on	same output. Monitor has a
		connection on the rear panel of the
first and second monitor.	composite as well as an S-
		ViewStation.
	Video output.
		Check your system by doing a local
		loopback under the Diagnostics menu. If the
		picture does not freeze, perform the same
	ISDN line transmission errors.	test at the far-site system. Perform a far-site
Picture freezes often		loopback during a call. If the picture freezes
	Check the error count under
during a call.		there are line errors on your ISDN lines.
	the Diagnostics menu.
		You can also test this by placing a video call
		to an ISDN loopback number provided by
		your service provider.
	Only one 64K channel is	Check the ISDN number of the far-site. Ask
Picture slow or jerky.	connecting in your call.	the far-site to call your site.
	Lots of motion in the picture	A background with less motion will provide
	you are receiving.	a better, smoother video picture.
	Camera tracking was turned	Camera tracking is turned off when the near
		or far-site move your camera. Press the
	off by near or far-site.
		AUTO button to restore tracking.
	The far-site is speaking.	The camera stops tracking when the far-site
		speaks to prevent the camera from pointing
		to your monitor speaker.
Camera voice tracking
	The far-site is very noisy.	The camera stops tracking when the far-site
does not work.
		has a loud noise.
	Near-site is on mute.	The near-site camera does not track when
		the near-site is on ‘MUTE.’ Toggle mute
		function with the MUTE button.
	Near-site is noisy or too many	Reduce the noise in the room.
	people talking at once.
	No video input.	Check that there is a video source present on
		the selected input.
Blue screen in the PIP	The VCR input is selected and
window.	the VCR is idle or not running.	Select a different input on the ViewStation or
	Most VCRs generate a blue
		play a tape on the VCR.
	screen when the tape is not
	playing.
Near end camera does	You are attempting to move	Camera 1 is the only movable camera.
not pan or tilt.	Camera 2 or 3.

124 ViewStation User’s Guide