MRT-327
User Station
The Model MRT-327 is a two-channel intercom station for use in RTS™ TW intercom systems. It may be used as a headset station or as a speaker station (with an optional MCS-325 Modular Speaker). The MRT-327 may be installed in optional console or rack mount configurations
Features
Call signaling
The MRT-327 can send and receive 20 kHz call signals.
Dual-Action Momentary/Latching Mic Switch
The Mic on/off switch can be used as a momentary push-to- talk switch or as a latching on/off switch.
Remote Deactivation
The MRT-327 can receive 24 kHz "talk-off” signals for deactivation of the MRT-327 microphone from a remote location.
Microphone Limiter
The microphone pre-amplifier circuit contains a limiter which helps to equalize output for different voice levels.
Optional Microphone Speaker & Headset Configurations
The standard MRT-327 accepts an unbalanced, dynamic-mic headset or a dynamic microphone used in conjunction with an external speaker located on the rear panel. It also has a jack for an optional Model MCP-90-xx gooseneck panel microphone. Additionally, the MRT-327 may be internally modified for use with a carbon or balanced-dynamic microphone. It can also be modified to provide the microphone audio as an unswitched, balanced output.
Powering Options
The MRT-327 receives operating power from the intercom line. It may be internally modified for local powering from a separate dc power supply or batteries.
Line Drawings
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