Sigtronics RMS-640 Installation Instructions - Manual

ST-440 / ST-640 STEREOCOM Installation Instructions
Specialists in “SOUND” Management
178 East Arrow Highway, San Dimas, CA 91773 ( 909 ) 305-9399
AUTO SQUELCH STEREOCOM
INTRODUCTION
ATTENTION INSTALLER: To assure a trouble free
installation, please read the entire instructions through
once before beginning.
CONFIGURATION - Sigtronics Auto Squelch Stereocom
systems are specifically designed for permanent, panel
mounted installation in aircraft. They are configured in two
sections: A SAS-440 (4 place) or SAS-640 (6 place) intercom
with transmit capability, and a RMS-440 or RMS-640 Stereo
Switcher. Both intercom and switcher may be installed at the
same time, or the switcher section may be easily added to
an existing SAS intercom installation.
UPGRADE - An ST-440 or ST-640 can be installed in an
existing ST-400 or ST-600 installation by swapping the units
out and minimal re-wiring.
MUSIC INPUTS - The Stereocom music inputs are fully
compatible with music systems that have line level output,
headphone level (Walkman) output, or speaker output up to
25 watts per channel. No amplifiers, adapters or modifications
to the RMS unit are required.
SIZE SAS UNIT - Panel 1” x 2.5”. Chassis - 1” high x 2.5”
wide x 6” deep. Can be mounted either horizontally or
vertically in the aircraft panel.
SIZE RMS UNIT - A 4” x 2.9” x 2” chassis mounted
remotely.
WEIGHT SAS UNIT - 6.4 ounces (SAS-440 intercom unit
with panel and knobs). Jacks and wiring harness weigh 5.5
ounces.
WEIGHT RMS UNIT: 7.5 oz. (RMS-440).
INPUT POWER - 11VDC through 32VDC. Maximum current
drain 0.15 Amp (ST-440).
DISTORTION - Less than1%total harmonic distortion.
ENVIRONMENTAL - Meets requirements of TSO-C50b.
WARRANTY - The ST units are constructed of high quality
components and carry a five year parts and labor warranty.
INSTALLATION FOR COMPLETE
SAS-440/640 PLUS RMS-440/640 SYSTEM
If just adding a RMS-440 or RMS-640 switcher to an
existing SAS installation, proceed to the “INSTALLATION
RETROFIT” section on page 5.
To upgrade an existing ST-400 or ST-600 installation to a
ST-440 or ST-640, skip to the “UPGRADING A ST-400
INSTALLATION TO A ST-440” section on page 5.
For a completely new Stereocom installation follow these
instructions:
Hardware Supplied
Besides the intercom and music switcher unit, each
Stereocom system comes with the following hardware:
ST-440 ST-640
Headphone Output Jacks - Accept .250”
stereo headphone plugs.
4 6
Microphone Input Jacks - Accept
standard .206” aircraft microphone plugs. 4
6
Mic Jack Insulation Washers - shoulder
and flat.
4 6
SAS Panel: Lettered on both sides for
horizontal or vertical mounting.
1 1
Aircraft/Intercom Interface Cable
(4 feet long).
1 1
Control Knobs 2 2
Switch Nuts 2 2
SAS Mounting Screws 4-40 2 2
SAS Drill Template (Hole Size Pattern). 1 1
Music Input Cable 1 1
Music Switch Harness 1 1
Music Switch Panel 1 1
Music Input Jack, 3.5 mm 1 1
RMS Mounting Screws 6-32 4 4
RMS Mounting Nuts 6-32 4 4