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47
6.1 Warning Messages
Warning Messages
Cause
Solution
INFORMATION
NO SIGNAL
The LED-backlit display cannot
detect the input source signal.
• Check if the input source is
turned ON.
• Check if the signal cable is
properly connected.
• Check if any pin inside the
cable connector is twisted or
broken.
KEY LOCK
The
KEY LOCK
function is
activated by the user to prevent
accidental changes to the screen
settings.
• Disable the
KEY LOCK
function. Refer to page 28.
CHAPTER 6: APPENDIX