Specialists in “SOUND” Management
178 East Arrow Highway, San Dimas, CA 91773 ( 909 ) 305-9399
Made in the U.S.A.
Common Ground Music
Source
Floating Ground Music
Source *
Right
Violet
Right +
Violet
Common
Orange / Green
Right –
Orange
Left
Gray
Left +
Gray
Left –
Green
* IMPORTANT: In a floating ground music system, NEVER con-
nect any of the four output wires together or to ground!
Standard Equipment Included
Part Description
Part Number
Quantity
Cable, SRS, 5 Conductor,
Switch, SPST with Fuse
800088
1
Foam, Double Sided
100720
2
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
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.
