7Adjust system settings

Turn beep sound on/off

Each time you press a button, the unit beeps. You can turn off/on this beep sound.

1Press MENU.

2Press or repeatedly until [BEEP] is displayed.

3Rotate to select a setting:

[BEEP ON]: Turn on the beep sound.

[BEEP OFF]: Turn off the beep sound.

Select blackout setting

You can set the screen to turn off automatically after the unit is idle for 10 or 20 seconds.

1Press MENU.

2Press or repeatedly until [BLACK OUT] is displayed.

3Rotate to select a setting:

[BLK OUT 10 S] :Turn off the screen automatically 10 seconds after last operation.

[BLK OUT 20 S] :Turn off the screen automatically 20 seconds after last operation.

[BLK OUT OFF] : Never turn off the screen.

Turn demo mode on/off

1Press MENU.

2Press or repeatedly until [DEMO] is displayed.

»»The screen shows current Demo mode setting.

3Rotate to select a setting:

[DEMO ON]: Turn on the demo mode. When the unit is idle for more than 120 seconds, all functions are displayed.

[DEMO OFF]: Turn off the demo mode.

Dimmer

1Press MENU.

2Press or repeatedly until [DIMMER] is displayed.

3Rotate to select a setting:

[DIMM HIGH] (dimmer high)

[DIMM LOW] (dimmer low)

Dance

You can turn on or off the spectrum on the LCD display.

1Press MENU.

2Press or repeatedly until [DANCE] is displayed.

3Rotate to select a setting:

[DANCE ON] :Turn on the spectrum.

[DANCE OFF] :Turn off the spectrum.

Rear Aux

1Press MENU.

2Press or repeatedly until [TEL MUTE] is displayed.

3Rotate to select a setting:

[NORMAL] : Mute the telephone, [MUTE] is displayed.

[REAR AUX] : Mute the telephone, [PHONE IN] is displayed.

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Philips CEM3100 user manual Turn beep sound on/off, Select blackout setting, Turn demo mode on/off, Dimmer, Dance, Rear Aux