Samsung 400TS-3 - Manual (Page 68)

3) Image Size
4) On Timer
5) Off Timer
2. Selects displays you want to adjust using the Select button or checkboxes.
System allows controlling some of the functions of the selected display.
1) Power On/Off
- Turns the power of the selected display On/Off.
2) Volume
- Controls the volume level of the selected display.
It receives the volume value of the selected display from the sets and displays it in the slider.
(If you deselect a single display or all displays, the default value 10 will be restored.)
3) (Mute On/Off)
- Turns on/off the Mute function of the selected display.
When selecting one set at a time, turn on the Mute function for the selected set.
The Mute function is disabled automatically when you adjust the volume level.
(The values return to the default settings when you undo the selections or choose "Select All".)
The Volume Control and Mute features are available only for the displays whose power status is ON.
3. Selects whether to display the menu screen using the OSD Display menu.