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64
TROUBLESHOOTING
'Key Lock On' message appears.
Problem
The 'Key Lock On' message
appears when pressing the
Menu button.
The screen image looks abnormal.
Problem
Is the screen position wrong?
Do thin lines appear on the
background screen?
Horizontal noise appears or the
characters look blurred.
The screen is displayed
abnormally.
After-image appears on the product.
Problem
After-image appears on the
product.
The Lock function prevents the OSD settings from being changed
inadvertently. To release the lock, go to Menu and Option and disable
the Key Lock option.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select the optimal screen status that fits into the
current mode. If adjustment is not satisfactory, select [PICTURE] -
[Screen] - [Position] in OSD menu.
y See if the video card resolution and frequency are supported by the
product. If the frequency is out of range, set to the recommended
resolution in the Control Panel "Display" Setting menu.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, select [PICTURE] -
[Screen] - [Size] in OSD menu.
y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, select [PICTURE] -
[Screen] - [Phase] in OSD menu.
y The proper input signal is not connected to the signal port. Connect
the signal cable that matches with the source input signal.
y If you use a fixed image for a long time, the pixels may be damaged
quickly. Use the screen-saver function.
y When a dark image is displayed on the screen after an image with
high contrast (black and white or gray), this may cause image sticking.
This is normal for LCD screen.
Resolution
Resolution
Resolution
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