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SIGNAL CHECKING
Product: JH 21C07MDK
Indication 3:
The Power Light Indicator flashes.
Condition 3:
This happens when the monitor will
go into the power saving mode.
(Refer to page 6)
Solution 3:
Verify power switch of the computer and check cable connection.
Indication 4:
The EasyMenu indicates the
message "INVALID SCAN FREQ".
Condition 4:
This will happen when the monitor detects a
sync. signal which is out of set-up specification
or is unstable.
Solution 4:
Verify the specification of input signal.
Above: Sample of INVALID SCAN FREQ condition.
VIDEO MUTING:
When the monitor has detected the change of the input signal condition, the monitor mutes the
picture automatically. This function hides scrambled images which may appear during the changing
period of the input signal. The muting period may vary as it can take a while before the replaced input
signal has become stable or not.
10
Product: JH 21C07MDK
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