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CHAPTER 6: APPENDIX
48
6.1 Warning Messages
When any of these warning messages appear, check the following items.
Warning Message
Cause
Solution
INVALID FORMAT
The resolution or the refresh rate of
the graphics card of the computer
is set too high.
√
Change the resolution or the
refresh rate of the graphics
card.
NO SIGNAL
The LCD 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.
KEYPAD LOCK
Keypad has been locked.
√
Press the AUTO key for 5
seconds to enable/disable
the KEY LOCK (w/o POWER)
function.
√
Press MENU button for 5
seconds to enable/disable the
KEY LOCK (ALL) function.
INVALID OPERATION
Playback control function is not
supported in multimedia mode.
√
Use other control functions to
control playback.
NOT AVAILABLE
The function that the specific
remote control button should
perform is not supported.
√
Use other remote control
functions.
UNSUPPORTED FILE
The file you want to play in
multimedia mode is not supported.
√ Convert the file to the supported
format.
Chapter 6: Appendix