Bosch Appliances VG4-300, VG4-200 Picture is dark, Colors are not cor, Rect If O.K., then

AutoDome Modular Camera SystemTroubleshooting Guide en 51

Picture is dark	1.	Check that the Gain Control is set to AUTO (ON-43-ENTER).
		If O.K., then:
	2.	Check that the Auto Iris Level is set to the appropriate level (ON-11-ENTER).
		If O.K., then:
	3.	Check that the video coax is terminated with 75 Ω only at the head end. (Double termi-
		nation causes dark video.)
		If O.K., then:
	4.	Go to the Camera Setup Menu and increase the Pre-Compensation setting. (This fea-
		ture is available only on 300 and 500i non-IP Series AutoDomes).
		If O.K., then:
	5.	Check that the camera lens cover is removed.
		If O.K., then:
	6.	Check that the maximum coax distance has not been exceeded. See the AutoDome Mod-
		ular Camera System Installation Manual.
		If O.K., then:
	7.	Restore all camera settings (ON-40-ENTER).
Colors are not cor-	1.	Reset the White Balance to the appropriate selection (ON-30-ENTER).
rect		If O.K., then:
	2.	Go to the Camera Setup Menu and increase the Pre-Compensation setting. (This fea-
		ture is available only on 300 and 500i non-IP Series AutoDomes).
		If O.K., then:
	3.	Check that the maximum coax distance has not been exceeded. See the AutoDome Mod-
		ular Camera System Installation Manual.
		If O.K., then:
	4.	Restore the default settings (ON-40-ENTER).
Background is too	X	Turn on backlight compensation (ON-20-ENTER).
bright to see subject
Video is rolling, noisy	1.	Ensure that the Synch Mode is set to Internal (OFF-42-ENTER).
or distorted		If O.K., then:
	2.	Check that the maximum coax distance has not been exceeded. See the AutoDome Mod-
		ular Camera System Installation Manual.
		If O.K., then:
	3.	Check the integrity of all BNC connectors and splices.
		Note: Connecting a network cable to the interface board of a non-IP AutoDome causes
		video distortion.
	4.	Remove the network cable from the interface board RJ-45 connector.
		If O.K., then:
	5.	Contact Bosch Technical Support.

Bosch Security Systems, Inc. VG4-200, VG4-300, VG4-500i Series User’s Manual F01U064036 1.0 2007.01