Zoom; Av Mute; Video Source; S-Video Source - Optoma EP761 Manual

User Controls
Remote Control
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English
Using the Remote Control
Press "Menu" to launch the on-screen
Menu
display (OSD) menu. To exit OSD, Press
"Menu" again.

Zoom

Press "+/-" button to zoom in of an image.
DVI-D
Press "DVI-D" to choose DVI-D source.
Press "VGA-1" to choose source from
VGA-1
VGA1-In/SCART connector.
Momentarily turns off/on the audio and

AV Mute

video.
S-Video
Press "S-Video" to choose S-Video source.
Press "VGA-2" to choose source from
VGA-2
VGA2-In connector.
Press "Video" to choose Composite video
Video
source.