Room sub station
Room sub station (IS-RS)
Handset (→P. 21)
Hook switch
(Front)
Speaker
Outputs sounds from the master station.
Call button (→P. 21)
Calls the preset master stations.
Transmit LED (red)
Lights up in red while your voice is heard at the target station, and turns off while you are hearing the sound from the target station or no communication is made.
CALL/TALK LED (red)
Lights up or flashes on and off in red when calling, receiving a call, paging or chime paging.
Microphone
Sends sounds at the room sub station to the master station.
(Side)
Receive (speaker) volume control
Adjusts the receiving sound volume of the speaker.
Receive (handset) volume control
Adjusts the receiving sound volume of the handset.
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