IM-977 Typical Installation
Remotes, Aux Audio, and
PTT Footswitches
3019 Alvin DeVane Blvd.
Ste. 560
Austin, TX 78741
Phone: (650) 965-8020
CORPORATION
®
TECH SUPPORT: 650-965-8020 ext. 703
Questions or technical issues? Please call:
FS-950 PTT Footswitch
(Pushbutton PTT switch
PBS-950 option is available)
CSB-971x or
other Intercom
Headset with
Conxall plug
JS-970-xx
For two Intercom Headset
positions, a JS-970-xx is used
(xx denotes cable length), if more
Intercom Headsets are required, a
JS-970-xx unit can be connected
through a JS-971-xx unit to allow
up to 4 Intercom Headsets.
Footswitch input A can control either
HEADSET 1 or HEADSET 2, and input B can
control either HEADSET 3 or HEADSET 4.
(factory defaults are input A set to Headset 1
and input B set to HEADSET 3).
1 or 2 Footswitches or
Pushbutton PTT stations can
be connected to the IM-977.
Page of
3
8
S
A
B
AUX
AUDIO
HEADSET 1
HEADSET 2
HEADSET 3
HEADSET 4
RADIO
REMOTES
POWER
FOOTSWITCH
RRC
A B
NOTE:
The AUX AUDIO input is not intended for
use as an additional radio receive input, it
will not support BTL-type (Balanced)
speaker outputs from radios.
It will support mono or stereo Single-
Ended line level audio such as that from
an audio device headphone output, or
certain types of radios with Single-Ended
audio out such as a scanner.
If there are questions, consult Setcom
Tech Support.
25-0088-ISO
Cable
An Auxiliary Audio source such as an MP3 player or
a portable CD player can be connected to the IM-
950 through use of the 25-0088-ISO Cable and a
3.5mm male-to-male patch cable (user supplied).
Volume is controlled by the Audio source.
