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20
BEFORE CALLING FOR SERVICE
Before concluding a problem has occurred, check the following points. If the problem
persists after carrying out the checks, disconnect the power cord from the AC outlet and
consult the dealer from whom you purchased the monitor.
Problems
Inoperable adjustment controls
or buttons.
Abnormal picture adjustments
with all controls at centre.
Inoperable picture
synchronisation.
Inoperable remote-controlled
picture adjustments.
Assigned remote control ID
number operates another
monitor.
Inoperable remote control.
No sound via audio signal input.
No INITIALIZE MENU display.
Inoperable CNTL-2 external
control via TALLY/REMOTE
terminal.
Points to be checked
Is MEMORY MODE switched on?
Is CONTROL LOCK activated?
Are PICTURE ADJUST menu
settings changed via remote
control?
Is EXT SYNC switched on?
Are the front controls set
approximately to the maximum
or minimum?
Is ID number 00 programmed for
other monitors?
Do other monitors indicate a red
ID number?
Is the ID number programmed
for other monitors assigned?
Does the audio input terminal
match the video input terminal?
Are you pressing the ∞ and
MENU buttons until it appears?
Is a function applied common to
CNTL-1 and CNTL-2?
Measures
Switch off.
Deactivate it.
Reset to standard settings.
Switch to off.
If so, the settings may not extend
any more via remote control
(although setting levels indicated
on screen may show a slight
change).
Programme an ID number other
than 00.
Assign the ID number again.
Assign the monitor's
programmed ID number.
Each audio input terminal is
linked with a video input terminal.
Keep pressing these buttons until
it appears.
Set other functions to CNTL-2.