Sceptre X20 Getting Started Manual page 32

VOL -/+
Press these two buttons to adjust the speaker volume level.
If the OSD Menu is shown on the screen, press these buttons
to scroll through the menu items horizontally.
SOURCE
Selects different PC/DTV input sources – TV, AV, YPbPr1, HDMI
HDCP, DVI, VGA-PC, and VGA-YPbPr2.
EXIT
Press this button to exit from the sub-menu to the previous menu.
Page32 SCEPTRE X20