Sigtronics SCI-S6 Installation Instructions - Manual

INTRODUCTION
ATTENTION INSTALLER: To assure a trouble free instal-
lation, please read the entire instructions through once
before beginning.
SCI-S4/SCI-S6 SYSTEM SPECIFICATIONS
CONFIGURATION - The Sigtronics SCI-S Intercom systems are
specifically designed for permanent, panel mounted installation
in aircraft. Up to four-position intercom is provided with the model
SCI-S4. Model SCI-S6 handles up to six positions. “H” Model
units for use in high noise aircraft.
UPGRADE - An SCI-S4 or SCI-S6 can replace an existing SPA-
400, SPA-600, ST-400, or ST-600 installation. This requires minor
mounting hole changes and minimal re-wiring.
DUAL STEREO MUSIC INPUTS - Both Crew and Passengers
music inputs accept standard headphone (Walkman) or line level
inputs. Automobile Speaker level outputs can be adapted for use
with the SCI-S systems.
COMPATIBILITY - Sigtronics SCI-S intercoms have been de-
signed to operate with all standard general aviation aircraft radios
and headsets.
SIZE: 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.
WEIGHT: 7.3 ounces (SCI-S4 intercom unit with panel and knobs).
Jacks and wiring harness weigh 8.9 ounces. 7.5 ounces (SCI-S6
intercom unit with panel and knobs). Jacks and wiring harness
weigh 10.9 ounces.
INPUT POWER: 11VDC through 32VDC. Maximum current drain
0.2 Amp (SCI-S6)
DISTORTION: Less than 1% total harmonic distortion.
WARRANTY: The SCI-S units are constructed of high quality com-
ponents and carry a five year parts and labor warranty.
FAA TSO: C-50c
ENVIRONMENTAL: DO-160D
Environmental Catagory:
A1D1XCAAS2MXXXXXXZBBBBXXXXXXXXXXX
MADE IN THE USA
HARDWARE SUPPLIED
Besides the intercom unit and instructions, each SCI-S system
comes with the following hardware:
SCI-S4 SCI-S6
Headphone Output Jacks - Accept standard
0.250” aircraft stereo headphone plugs 4 6
Microphone Input Jacks - Accept standard
0.206” aircraft microphone plugs. (U93 plug
compatible jacks can be used in place of the
jacks provided - mono installations only) 4 6
Mic Jack Insulating Washers, Flat 4 6
Mic Jack Insulating Washers, Shoulder 4 6
Intercom Panel - lettered on both sides. 1 1
Intercom Control Knobs 4 4
Mounting Screws 4-40 x 1/2 2 2
Drill Template - Adhesive backed hole size
pattern for drilling aircraft panel 1 1
Intercom/Aircraft Interface Cable (4 feet
long) 1 1
Headphone/Music Interface Cable (4 feet
long) 1 1
Stereo music input jacks 3.5mm 2 2
INTERCOM OPTIONS
The SCI-S intercoms have two options that can be enabled if de-
sired. Installing small jumper wires on the solder side of the circuit
board enables these options. As such they have to be installed
before the unit is installed into the aircraft.
Sigtronics SCI-S4 / SCI-S6 Installation Instructions
Specialists in “SOUND” Management
178 East Arrow Highway, San Dimas, CA 91773 ( 909 ) 305-9399