LG 20LH1DC1 - 20.1IN LCD HOSPITAL GRADE PRO-IDIUM ATSC/NTSC/QAM Operation Manual page 25

Unstable Screen
If a dashed line or no color appears, the screen is unstable,
therefore try channel adjustments.
(This is only available for analog broadcasting.)
@
O
Press the MENU button and then use the ADJ • or •
button to highlight the Channel menu and press the
OK (Enter) button.
Use the ADJ • or • button to highlight Fine Tune and
press the OK (Enter) button.
Press the ADJ • or I_ button to adjust.
When finished, press MENU repeatedly to remove the
menus.
Checking the Strength of the Digital Signal
This shows the current digital signal strength as a picture.
(This is only available for digital broadcasting.)
@
Press the MENU button and then use the ADJ • or •
button to highlight the Channel menu and press the
OK (Enter) button.
Use the ADJ • or • button to highlight Signal Strength
and press the OK (Enter) button.
_ iew the on-screen signal strength monitor to see the
quality of the signal being received.
O hen finished, press MENU repeatedly to remove the
menus.
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