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C2988M-A (6/11) 27
Troubleshooting
If the following instructions fail to solve your problem, contact Pelco Product Support at 1-800-289-9100 (USA and Canada) or +1-559-292-1981
(international) for assistance. Be sure to have the serial number available when calling.
Do not try to repair the unit yourself. Opening it immediately voids the warranty. Leave maintenance and repairs to qualified technical personnel
only. Refer to the Product Warranty and Return Information located on the inside back page of this document.
WARNING: To reduce the risk of electrical shock, do not remove the cover or back of the monitor. There are no user-serviceable parts
inside.
Table M. Troubleshooting
Problem Possible Cause Suggested Solution
No image appears. The power cord is not connected properly to the
power outlet.
Ensure that the power cord is connected properly
to the power outlet.
The main power switch is not in the “|” position. Ensure that the main power switch in the “|”
position.
Is the power indicator amber? If it is, the ON
button might not have been pressed.
Press the ON button on the remote control or
control panel.
The S-Video input and the AV2 input might be
connected at the same time.
Ensure that the S-Video input and the AV2 input
are not connected at the same time. If they are,
remove either the S-Video input or the AV2 input.
The screen color is unstable or monochrome. The the source cable might not be properly
connected.
Check the source cable connection to ensure a
proper fit.
There are black dots on the screen. The screen surface might not be clean. Wipe the screen surface with a clean, soft cloth.
The screen is partially blurred. Nearby objects might be generating magnetic
fields. Such objects include speakers, steel
structures, and high-voltage lines.
Remove any objects that might be generating
magnetic fields from the immediate vicinity and
use the OSD menu to adjust the screen.
The screen is flickering. Magnetic material might be interfering with the
image.
Move any highly magnetic material away from the
monitor, and then adjust the graphic interface (PC
Mode) within the allotted frequency parameters.
The image is dark. The backlight and brightness settings might not
be correct.
Adjust the backlight and brightness. It takes
several seconds for the monitor to warm up after
the power is turned on.
The image appears to be ghosting. The source equipment connection cables might be
too long.
Ensure the source equipment connection cables
are shorter than 15 meters (50 ft). If additional
length is required, contact your authorized dealer
for a signal amplifier (not supplied).
The image size is incorrect. The image format might not be set correctly. Adjust the image format to the desired image
size.
White does not look bright enough. The color temperature might need adjusting, or
the “User” settings might not be optimal.
Adjust the color temperature or change the
“User” settings to your preferred settings.
The image is not centered. The image format might need to be adjusted. Adjust the image format to your desired image
size.
The remote control does not work. The IR Extender might not be properly connected. Ensure that the IR Extender is properly connected
and attached to a bezel on the front of the
monitor.