Sigtronics SRS-M Installation And Operating Instructions

Sigtronics Emergency Unit Radio / Music Switcher
Installation and Operating Instructions Model SRS-M

Emergency Radio Switcher Features

The Emergency Radio Switcher allows AM / FM radio to be
heard whenever mobile radio communication is not occur-
ring. Great for monitoring traffic and weather reports, AM /
FM radio will not be heard over mobile radio, it will automati-
cally be muted when communications occur.

For Use With

Sigtronics MRIM-2 systems

Installation

Attach the Radio Switcher in a convenient location using the
adhesive mounting strips. See table below and diagram on
page 2 to connect the wiring harness.
1. Unplug the P1-J1 connector on the MRIM-2 and plug the
Music Switcher in line.
2. Connect the cable in the kit to the remaining connector
on the Music Switcher. Connect the RED wire to the music
Common Ground Music
Source
Right Violet
Common Orange / Green
Left Gray
* IMPORTANT: In a floating ground music system, NEVER con-
nect any of the four output wires together or to ground!
S
igtronics
®
Floating Ground Music
Source *
Right + Violet
Right – Orange
Left + Gray
Left – Green
Specialists in "SOUND" Management
178 East Arrow Highway, San Dimas, CA 91773
ON/OFF switch center lug. Connect to +12 Volts through
the switch and fuse as shown in the drawing.
3. Depending on whether your music source has a common
ground output or floating ground output, connect it as
shown in table.

Operating Instructions

1. With music source turned OFF, adjust the MRIM-2 as
described in the system instructions.
2. Turn ON the music source and the music ON / OFF switch,
if equipped. During periods when there is no communica-
tions radio traffic, the music source will be switched into
the headphones. Adjust the volume on the music source
for a comfortable volume level.
Warranty: One year parts and labor.

Standard Equipment Included

Part Description
Cable, SRS, 5 Conductor,
Switch, SPST with Fuse
Foam, Double Sided
Part Number Quantity
800088 1
100720 2
(909) 305-9399