E5-3
GP2000 Series VM Unit User Manual
5.1.3
Video Input Signal Error Messages
Error Message
Cause
Video Input Signal
Error (CH*)
*1
The video cable may be incorrectly connected, cut, or a
connected device may be damaged. To fix these
problems, try sending the input signal again to that
channel.
RGB Input Signal
Error
The video cable may be incorrectly connected, cut, or a
connected device may be damaged. To fix these
problems, try sending the input signal again.
When an error occurs due to input from external equipment (i.e. a signal output from
that equipment), the video screen will not be refreshed and one of the following error
messages will appear.
*1 "CH*" indicates VM Unit channel numbers 0 to 3.
When multiple video or RGB input lines are used, if one of these lines' signals
causes an error, video screen refreshing of other input lines may stop.
5.2
Checking the VM Unit
Self-Diagnosis Feature
The GP features a self-diagnosis program that check if the system and interfaces are
all operating correctly.
Use the "DISPLAY PATTERN" feature to check the condition the VM Unit's
VIDEO IN I/F.
Be sure to check the interface while the VM Unit is installed in the GP.
While in the GP unit's OFFLINE mode, touch "MAIN MENU", "SELF-DIAGNO-
SIS", and "DISPLAY PATTERN" to enter this area.
Look at each of the screen patterns (Total: 8 screens) and at the "DISPLAY ON/OFF
CHECK".
Check that the display patterns are displayed properly.
