VG4 Modular Camera System Troubleshooting Guide | en 119
Bosch Security Systems, Inc. User’s Manual F.01U.133.268 | 6.0 | 2010.03
Setting FastAddress
with an American
Dynamics Keyboard
The FastAddress value must match the Unique Identifier for the AutoDome. To set the
FastAddress on an American Dynamics keyboard refer to Section 4.1 Setting FastAddress
with Alternative Protocols, page 33.
Picture is dark – Check that the Gain Control is set to AUTO (ON-43-ENTER).
If O.K., then:
– Check that the Auto Iris Level is set to the appropriate level (ON-11-ENTER).
If O.K., then:
– Check that the video coax is terminated with 75 Ω only at the head end. (Double
termination causes dark video.)
If O.K., then:
– Go to the Camera Setup Menu and increase the Pre-Compensation setting. (This
feature is available only on 300 and 500i non-IP Series AutoDomes).
If O.K., then:
– Check that the camera lens cover is removed.
If O.K., then:
– Check that the maximum coax distance has not been exceeded. See the AutoDome
Modular Camera System Installation Manual.
If O.K., then:
– Restore all camera settings (ON-40-ENTER).
Colors are not
correct
– Reset the White Balance to the appropriate selection (ON-30-ENTER).
If O.K., then:
– Go to the Camera Setup Menu and increase the Pre-Compensation setting. (This
feature is available only on 300 and 500i non-IP Series AutoDomes).
If O.K., then:
– Check that the maximum coax distance has not been exceeded. See the AutoDome
Modular Camera System Installation Manual.
If O.K., then:
– Restore the default settings (ON-40-ENTER).
Background is too
bright to see subject
– Turn on backlight compensation (ON-20-ENTER).
Video is rolling,
noisy or distorted
– Ensure that the Synch Mode is set to Internal (OFF-42-ENTER).
If O.K., then:
– Check that the maximum coax distance has not been exceeded. See the AutoDome
Modular Camera System Installation Manual.
If O.K., then:
– 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.
– Remove the network cable from the interface board RJ-45 connector.
If O.K., then:
– Contact Bosch Technical Support.
Day/Night camera
does not switch
automatically when
image is dark
– Check that the Day/Night mode is set to AUTO (ON-56-ENTER).
If O.K., then:
– Set Gain Control to AUTO (ON-43-ENTER).