IM-977
INSTALLATION AND USERS GUIDE
HEADSET 1 HEADSET 2 HEADSET 3 HEADSET 4
RRC
RADIO
REMOTES
Questions or technical issues? Please call:
TECH SUPPORT: 650-965-8020 ext. 703
®
CORPORATION
3/29/16 SBH
POWER
POWER
AUX
FOOTSWITCH
A
B
AUDIO
3019 Alvin DeVane Blvd.
Ste. 560
Austin, TX 78741
Phone: (650) 965-8020
The IM-977 is a Waterproof Radio Interface and full-duplex
Intercom with the following features:
· Single Radio Interface, Fully Adjustable RX/TX levels,
use with RCB or RC cable types
· 4 Radio Transmit Circuits, TRS Headset Jacks
(extension TX station RS-960 is available)
· Remotes Port for Up to 4 Intercom-Only Positions
· 2 PTT Footswitch or Pushbutton Station Ports:
A: assignable to HS1 or HS2
B: assignable to HS3 or HS4
(Footswitch is FS-950, Pushbutton is PBS-950)
· AUX Audio Input (requires 25-0088 cable)
(see notes on page 3)
· Automatic AUX Muting on PTT or Radio RX,
3-second delayed recovery from AUX Mute
(either PTT or RX mute function can be turned off)
· Fully Isolated DC Power for Noise Immunity, operates
on 12 to 24 Volts DC
· TX Audio PTT Lockout, only 1 user can transmit at any
time, and only that users' voice is sent to radio
· Can connect to 2 radios with RRC-950
(requires 25-0108 cable)
IM-977_UserGuide_REV_C.pdf
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