User Manual

CHAPTER 6: APPENDIX
34
6.1 Warning Messages
When any of these warning messages appear, check the following items.
Warning Message Cause Solution
Unsupported
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.
Key Lock
ON
The OSD has been locked
by the user.
√ Press and hold the +
buttons for 3 seconds to unlock
the control buttons.
ANTI-BURN-IN
ON
The Anti-Burn-in
TM
function
has been enabled by the
user.
√ Set the “Anti-Burn-In” >
Enable setting to Off in System
( ) menu (refer to page
31).
SCREEN FREEZE : ON
The FREEZE has been
activated.
√ Press and the hold the
button to unfreeze the screen.
MUTE
The Mute function is
enabled.
√ Press and hold the button for
3 seconds to disable the mute
function.
√ Press the and buttons
simultaneously to disable the
mute function.
Chapter 6: Appendix