Sigtronics RES - Manual (Page 2)

INSTALLATION INSTRUCTIONS: Please read the following instructions carefully
PLUG
PIN NO.
WIRE
COLOR
FUNCTION CONNECT TO:
PLUG
PIN NO.
WIRE
COLOR
FUNCTION CONNECT TO:
1 Red Power Input
Aircraft circuit breaker thru
ON/OFF switch
7 *Brown
Uninterrupted Output
† (Rt. channel) Pilot/All Mode Selector
Switch
2 Black Ground Aircraft Chassis 8 White/Black
Uninterrupted Output
† (Lt. channel) Pilot/All Mode Selector
Switch
3 White XMIT Music Disable Tip of Aircraft Mic Jack 9 *Yellow
Audio Input
† (Rt. channel) Right channel Audio
Output of Stereo System
4 Blue
Input
Radio Headphone Output Jack
Aircraft Radio Headphone
10 Green
Audio Input
† (Lt. channel) Left channel Audio Output
of Entertainment System
5 Violet
Interrupted Output
†(Lt. Channel) Pilot’s Headphone Jack Tip
Terminal
11 Grey Audio Ground
Entertainment System
Audio Ground
6 Orange
Interrupted Output
†(Rt. channel) Pilot’s Stereo Headphone
Jack Ring Terminal Note: * Stereo Switchers, only
‡ Relevant to Stereo Systems TABLE 1
CHASSIS INSTALLATION
Four 6/32” screws with self-locking nuts have been provided for
mounting the chassis to the aircraft.
1. Remove the unit from the case.
2. After selecting a suitable mounting location in the aircraft, drill
aircraft and switcher case with same hole pattern. Use a No. 27
drill (Clearance drill for 6/32”).
3. Secure case to the aircraft with the screw heads Inside
switcher case for circuit board clearance.
4. Replace the unit in the case and secure.
WIRING INSTRUCTIONS
Four feet of cable has been provided to connect the unit to the
aircraft and entertainment system.
Figure 1 illustrates the connections to be made. Table 1 lists the
connector plug pin numbers, the color, function, and destination of
each wire connected to those pins.
Connections should be made as shown in Figure 1 and as
indicated in Table 1. Sigtronics should be contacted if other means
of connecting the unit are contemplated.
OPERATING INSTRUCTIONS
Step 1. Turn aircraft radio “ON” and adjust squelch (if manual)
and volume to suitable listening level.
Step 2. Turn Audio Switcher and entertainment system “ON” and
adjust entertainment to suitable listening level.
Step 3. Select Pilot or All position to suit switching mode desired.
Note: The Switcher controls can be changed from one
mode to another at any time.
TRANSMIT: Transmitting is accomplished in the conventional
manner, by using the hand-held microphone. Messages are
received via the headphones being worn.
If the pilot has a headset with a boom microphone and uses a
push-to-talk switch, then the headset microphone plug should be
connected to the aircraft microphone jack and the headphone plug
should be connected to the Switcher Headphone Jack.
*MODE SELECTION TABLE
PILOT/ALL
SWITCH
ON/OFF
SWITCH
PILOT HEARS PASSENGERS HEAR
PILOT ON VHF Interrupt Music Music Only
ALL ON VHF Interrupt Music VHF Interrupt Music
PILOT OFF VHF Only Music Only
ALL OFF VHF Only VHF Only
*Applicable when wired
as shown in Figure 1.
REM-AS-1