IM-977W4
INSTALLATION AND USERS GUIDE
3019 Alvin DeVane Blvd.
Ste. 560
Austin, TX 78741
Phone: (650) 965-8020
CORPORATION
®
TECH SUPPORT: 650-965-8020 ext. 703
The IM-977W4 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)
·
1 Wireless Headset Transmit circuit, uses CSB-900W4
Wireless Headset
·
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)
Questions or technical issues? Please call:
4/27/16 SBH
IM-977W4_UserGuide_REV_C.pdf
Page of
1
8
S
To install antenna, carefully thread it onto the
gold connector on top of IM-950W4
28-2017
Wireless Antenna
A
B
AUX
AUDIO
HEADSET 1
HEADSET 2
HEADSET 3
HEADSET 4
RADIO
REMOTES
POWER
FOOTSWITCH
RRC
A B
(Antenna
Connector)
