3.1 Controls3.1.1 DoorphoneADEFGCBLens coverCamera lensLED lightsUsed to illuminate the visitor’s face or the area in frontof the doorphone so that the visitor's face can be seenin the dark.Call button and indicator (red)Lights in red when the power is on.MicrophoneSpeakerWater drain holesThese holes allow rain water to drain. Do not coverthem.Doorphone image qualityThe quality of doorphone images may change dependingon the installation environment, settings, lightingconditions, the time of day, etc.See page 31 for more information.3.1.2 Main monitor/extension monitorAB JCDEF G HIKLDisplay (page 12)SpeakerPlay lamp (blue)Lights when there is an unplayed image. Theindicator turns off when the unplayed image isdisplayed.TALK button (M N)Play button (M N)Press to display the image playing screen when themain monitor is idle.It can also be used as a soft key (page 11).Page button (M N)Press to page sub monitors or extension monitorswhen the main monitor is idle or transfer calls.It can also be used as a soft key (page 11).Information button (M N)Press to display the information screen when themain monitor is idle.It can also be used as a soft key (page 11).Menu button (M N)Press to display the setting screen when the mainmonitor is idle.It can also be used as a soft key (page 11).Monitor button (M N)Press to monitor the outside when the main monitoris idle.It can also be used as a soft key (page 11).MicrophoneOFF button (M N)RESET buttonIf the main monitor cannot be correctly operated,press the MRESETN button with a pointed object toreset the main monitor. (Recorded images andconfigured settings are not affected.)103. . Preparation3. Preparation