NOMENCLATURE AND FUNCTIONS4 4
RM-300MF
19. External Emergency Equipment In-Use
Indicator (orange / green)
Flashes when external emergency equipment is
used for broadcasts.
Orange: Indicates the mode that disables broad-
casts from the unit.
Green: Indicates the mode that allows the unit to
interrupt broadcasts from external equipment.
20. Emergency Microphone
After the emergency mode is activated, press
the Talk key located on the side of the micro-
phone to make an all-zone call or emergency
broadcast over the selected zones (the RM-
320F is required for zone selection).
21. RM-320F Connector
Connect the RM-320F Fireman’s Microphone
Extension Unit to this connector.
22. DIP Switch
Used to set the unit ID number and equipment
functions.
Switch 1 [MAINTENANCE]
Always set this switch to the OFF position.
Default setting: OFF
Note
If this switch is set to ON, the unit is placed in
the maintenance mode and the front panel-
mounted Communication Failure indicator (9)
lights green, causing the unit not to work.
Switches 2 – 4
Not used.
Default setting: OFF
Switch 5 [UNIT ID]
Sets the ID number of the Fireman’s
Microphone.
Default setting: ON
Switch 6 [COMPRESSION]
Enables/disables compression.
Default setting: ON
Switch 7 [TERMINATION]
Sets the RM-300MF Fireman’s Microphone that
functions as a terminating unit.
Default setting: OFF
Switch 8 [CPU OFF]
Enables/disables the CPU OFF function.
Default setting: ON
23. Relay Connector
Connects to the relay connector (24) of the wall
mount bracket unit (accessory).
24. Relay Connector
Connect the cable from the RM-300MF Fireman’s
Microphone to this connector.
25. Screw Terminal Block
RM Communication Line [DATA (+), DATA (–)]
A control/communication line between the RM-
300MF Fireman’s Microphone and the VM-
3240VA or VM-3360VA.
Audio Output Line [AUDIO OUT H/C]
Audio output line from the RM-300MF Fireman’s
Microphone to the VM-3240VA or VM-3360VA.
DC Power Supply Input [DC IN 24V +/-]
Power supply line from the VM-3240VA or VM-
3360VA to the RM-300MF Fireman’s
Microphone.
Shield [SHIELD]
Control line used by the VM-3240VA or VM-
3360VA for confirmation of RM-300MF connec-
tions. Ensure that at least one shield is connect-
ed.
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