RTS Stereo Amplifier RM 325 User Guide

RM-325  
User Station  
The RM-325 is a two-channel intercom user station for the RTS-TW Intercom System. It is designed for use with a headset, and  
it can be placed on a desktop, or rackmounted with optional rackmount hardware.  
Features  
Talk Features  
carbon mic is on. An internal jumper can configure the car-  
There is a separate talk button with talk-on indicator for each  
bon mic input exclusively for use as a mic on/off switch input  
channel. Talk buttons feature dual-action, momentary/latch-  
(monaural headphone output is supported in either case).  
ing talk operation: a button may be pressed and held to talk,  
The microphone audio is available as an unswitched (hot, or  
then released when finished, or the button may be tapped  
always on) unbalanced output at the Aux connector.  
once to turn talk on and then tapped again to turn talk off.  
Latching operation may be independently deactivated for  
each channel via an internal DIP switch. The channel 1  
and 2 talk buttons may also be independently disabled via  
internal DIP switches. Additionally, there is a an external talk  
switch input (for footswitch etc.) for each channel via the Aux  
connector.  
Talk-off (Mic Kill) Signaling  
The RM-325 can send and receive Talk-off signals. Talk-off  
send and receive can be independently enabled/disabled via  
internal DIP switches.  
Call Signaling  
There is a call button and indicator, and the RM-325 can  
send and receive call signals. There is also an internal setup  
switch to disable call send.  
Listen Features and Headsets  
There is a separate listen volume control for each channel,  
and a listen volume control for the program input. The RM-  
325 accepts a stereo, dynamic-mic headset or a monaural,  
carbon-mic headset. Default operation is set for stereo listen,  
with channel 1 assigned to left headphone, channel 2 to right  
headphone, and program input to both headphones. Inter-  
nal jumpers permit all signals to be combined for monaural  
listening. Internal jumpers also permit the program audio to  
be assigned left or right when using a stereo headset.  
Program Input  
Balanced program audio may be input via the ¼-inch stereo  
phone jack (PGM) or via the AUX connector.  
Line/Local Power Options  
By default, the RM-325 receives operating power from inter-  
com channel 1. Alternatively it may be configured to receive  
power from channel 2 or from a local, 24 VDC power source  
connected to the AUX connector.  
Microphone and Microphone Switch Features  
The Dynamic-mic headset connector features a balanced,  
dynamic mic input, and a mic on/off switch input. A remote  
mic on/off switch may also be connected via the Aux connec-  
tor. There is an internal mic-sensing circuit for the carbon-  
mic headset jack, which activates the mic circuit when the  
Sidetone  
There is a separate sidetone control for each intercom  
channel. These adjust the level of the station operator’s own  
voice in the headphones when talking.  
Line Drawing  
 

QSC Audio Stereo System DSP 4 RS 232 User Guide
Radica Games Games 74008 User Guide
RCA Camcorder ProV800C User Guide
Rival Fryer S16RB User Guide
Samson Stereo Receiver VHF Micro TRUE DIVERSITY WIRELESS User Guide
Samsung DVD VCR Combo V70 User Guide
Samsung TV VCR Combo CXM1974 User Guide
Sanyo CRT Television DS27830 User Guide
Sanyo Freezer MDF 136 User Guide
Sears Air Conditioner LT103CNR User Guide