Dell 1220 User Manual page 20

18 Source
19 Volume down
20 Keystone adjustment
+
21 Keystone adjustment
-
22 Auto Adjust
23 Zoom +
24 Zoom -
25 VGA
26 Video
20 Using Your Projector
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Press to switch between Analog RGB,
Composite, Component (YPbPr, via VGA),
HDMI, and S-Video source.
Press to decrease the volume.
VOL
Press to adjust image distortion caused by
tilting the projector (+/-40 degrees).
Press to adjust image distortion caused by
tilting the projector (+/-40 degrees).
Press to synchronize the projector with the
input source. Auto adjust does not operate if
the OSD is displayed.
Press to increase the image.
Press to decrease the image.
Press to choose VGA source.
Press to choose Composite Video source.