Page38 SCEPTRE X37
VOL +/-
These two buttons adjusts the speaker volume level.
CH +/-
These two buttons scrolls through the channels.
SOURCE PC
This button selects different PC/DTV input sources – DTV,
(HDMI, HDCP, DVI), VGA-PC.
SOURCE AV
This button Selects different video input signal sources – TV Tuner, AV1,
AV2, and YPbPr1 (Component1), YpbPr2(Component2).