English32Volume AdjustmentPress or <+ (Unit)> <- (Unit)> toadjust volume.UnitMENU ENTERINPUT + -20Volume (Speaker out)● The current sound volume level is memorised even ifthe power is turned off.● When [Maximum VOL level] is set to [On], the volumecan only be adjusted to the maximum point you set,and the displayed value turns red when it reached itsmaximum. (see page 68)● When [Initial VOL level] is set to [On], the volume willbe at the set level when the display is turned on. (seepage 68)Sound mute On / OffIt is useful when you want to mute the sound temporarily,for example, when answering the phone or door.Press .● appears on the screen and the sound is muted.Press again to reactivate the sound.● It is also reactivated when the power is turned on / offor the volume level is changed.● While MUTE is active, is displayed as a reminderafter operation.● In [ENGLISH(US)] OSD language, is displayed as[MUTE].OFF TIMERThe Display can be preset to switch to stand-by after afixed period. (30 min, 60 min, 90 min)The setting switches each time ispressed.● [0 min] → [30 min] → [60 min] → [90 min]→ [0 min] (Cancel)● When three minutes remain, the remaining time willflash (Red). After that, it switches to stand-by.● To see the Off timer remaining time, press.● The Off timer is cancelled if a power interruptionoccurs. When the power is turned on later on, it willbe in stand-by condition.