ViewSonic VS12400 manual Front view, Source, Menu

Front view

Power Indicator LED

1SOURCE

Switch among the input source.

2MENU

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3VOL +/-

Increase or decrease the volume.

4CH S/T

Increase or decrease channel number.

Power indicator LED indicates if the LCD power is turned on (blue) or in stand-by state (orange).









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ViewSonic 6 VT2230-NT