haier L32A9 -AK - Manual (Page 18)

Choose the input source
Press TV/AV button on remote
controller, the menu appears
on the screen. Then press
CH+/- to select the TV item,
and press VOL+/- to ensure it.
Source
Select input modes
If you hope to enjoy the picture from the external
input source, before to select the source, you need
to connect the devices, otherwise, when you select
the source, the none or no signal will appears on the
screen.
Before watching TV program, you need to ensure
your TV in TV mode.
TV: the input source from ANT IN terminal output.
AV1 : the input source from AV1 terminal output.
AV2 : the input source from AV2 terminal output.
YPbPr/YCbCr: the input source from YPbPr terminal
output.
VGA: the input source from VGA IN terminal
output.
DVI: the input source from DVI IN terminal
output.
USB : the input source from USB socket terminal
output.
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TV/AV S-VIDEO DVD/DTV PC/DVI