Dell 1210S Projector - Manual (Page 23)

5 Aspect Ratio Press to change aspect ratio of a displayed image.
6 Mute Press to mute or un-mute the projector speaker.
7 Video mode The projector has preset configurations that are
optimized for displaying data (presentation
slides) or video (movies, games, etc.).
Press the Video Mode button to toggle between
Presentation mode, Bright mode, Movie mode,
sRGB, or Custom mode.
Pressing the Video Mode button once will show
the current display mode. Pressing the Video
Mode button again will switch between modes.
8 Mouse up Press to move to previous page.
NOTE: The USB cable must be connected if
you want to use the Page Up feature.
9 Mouse down Press to move to next page.
NOTE: The USB cable must be connected if
you want to use the Page Down feature.
10 Freeze Press to pause the screen image.
11 Blank screen Press to hide/show the image.
12 Information Press to provide projector native resolution
information.
13 S-Video Press to choose S-Video source.
14 Up Press to navigate through the On-Screen Display
(OSD) Menu items.
15 Left Press to navigate through the On-Screen Display
(OSD) Menu items.
16 Menu Press to activate the OSD.
17 Volume up Press to increase the volume.
18 Source Press to switch between Analog RGB, Composite,
Component (YPbPr, via VGA), and S-video
sources.
19 Volume down Press to decrease the volume.
20 Keystone adjustment Press to adjust image distortion caused by tilting
the projector (+40/-35 degrees).
Using Your Projector 23