Dell S510 User Manual page 124

Item
1 Power button
2 Volume control bars Click up to increase the volume.
3 OSD navigation pad Click Menu to toggle projector OSD On/Off.
4 Brightness button
5 Contrast button
6 Freeze button
7 Image mute button Click to toggle projector display On/Off. This
8 Sources list panel
124 Using Your Projector
Description
Click to toggle projector power On/Off.
Click Mute to toggle projector speaker On/Off.
Click down to decrease the volume.
Use the arrow keys to navigate the OSD options
and click OK to select.
Click to adjust the projector display brightness.
Click to adjust the projector display contrast.
Click to toggle projector screen image freeze
On/Off.
function will not turn the projector power
On/Off.
Allows you to switch the projector's input
source.