■ Direct broadcasting of Emergency Message
    By pressing one of 10 instant play buttons, message file can be directly played.
■ Remote Control of ARM-911
    Using RM-911D/W, emergency message of ARM-911 can be controlled at remote place.
■ Emergency Broadcasting using MIC
    Using MIC of RM-911D/W, emergency voice broadcasting can be done at remote place.
■ TALK MODE (RM-911D only)
    Using mode switch, TALK mode can be set.
■ Chime (RM-911D only)
    Using mode switch, Chime can be used.
■ Monitor Speaker (RM-911D only)
    Chime and MIC voice can be monitored using installed monitor speaker.
■ External Adaptor (OPTION)
    External Adaptor can be used to extend the operable cable length.
    When external adaptor is used the power con-sumption ARM-911 is decreased.