3. Press CID/VOL ( or ) button to scroll to ROOM MONITOR.

4.Press MUTE/PROG button and ROOM MONITOR EXTENSION? shows in the display.

ROOM MONITOR

EXTENSION ?

5.Press the handset number of the handset being monitored.

6.If handset 1 is the room monitoring initiator, the following displays will be shown.

ROOM MONITOR HANDSET 2

Calling handset 1

ROOM MONITOR HANDSET 1

Called handset 2

NOTE: If handsets have been named, then the name will be displayed on LCD instead of handset numbers.

NOTE: During the room monitoring, it will emit a beep tone if there are incoming calls. You may press TALK/END/CALLBACK button to answer the call and quit the room monitor mode.

NOTE: Press the *EXIT button on the handset to exit the room monitor.

NOTE: After you initiate the room monitor, you can switch to use handset speakerphone to do the room monitoring by pressing the SPK button on the initiater handset.

HANDSET SETUP

You may program the following items:

Language, Handset Name, Ringer Tone, Ringer Volume, VIP Melody, Key Tone ON/OFF, Message Alert, Ring Select, Security Code, Area Code, Registration, De-Registration and Default Setting.

During programming, you may press the *EXIT button at any time to exit the menu and go to the sub-menu and keep the previous setting.

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RCA 21028 manual Room Monitor Extension ?, Handset Setup