Technical data
VHF/AM RADIO FSG 2T
3 Installation
June 2014 FAV_D10048 33
Aircraft Speaker OUT
Headphone AF OUT
+12 Vdc switched, OUT
Aircraft GND
Aircraft GND
A/C Power +11 … 16 Vdc
A/C Power +11 … 16 Vdc
LED Backlight +12 Vdc IN
PTT Key IN (against GND)
RX Annunciator OUT
Intercom Control IN
AF External IN
Dynamic MIC IN
Microphone GND
Standard MIC IN
FSG 2T
Antenna Coax
RG-58 C/U
COM Antenna
15
14
13
12
11
10
9
8
7
6
5
4
1
2
3
COM Antenna
+
-
#18 AWG
1 mm² red
#18 AWG
1 mm² blue
Aircraft Power
+11 … 16 Vdc
AF-External IN
e.g. NAV, COM2, MKR
Headphone
Audio OUT to Audio Panel
if required
Loudspeaker
4 to
silent
noisy
470 R
470 R
#20 AWG
#20 AWG
Standard
DB-15 female
connector
UG-88 C/U
1
8
15
9
Standard DB-15 male
connector
Standard MIC
with PTT Key
1
2
A/N E08639
Headphone
Jack
JJ-034
1
2
Headphone Plug
PJ-055, A/N E08941
1
2
3
Microphone
Jack
JJ-033
A/N E08640
1
2
3
Microphone Plug
PJ-068, A/N E08942
Dynamic gooseneck
(boom) MIC
Stick mounted
PTT Key(s)
INTERCOM
Switch
(only for 2-seat)
OFF
ON
OPTION AF-External
refer to § 3.5.5
DO NOT wire other pins than noted! Connections which are not required for your
installation may be left unterminated!
All wires #22 AWG (0.3 - 0.4 mm²) unless otherwise noted
All power Grounds are airframe grounds
For two-seat application connect second audio set (headphone, Standard MIC,
boom MIC) and PTT key in parallel to the first one. Both audio sets must be of
the same type.
Intercom operation requires microphones which provide audio OUT with the PTT key
de-energized (not keyed)
Intercom operation requires a selector switch, double pole, double throw
Terminate audio shields at radio end only.
Power bus circuit breakers are to be mounted in the A/C breaker panel or instrument
panel such that they will be accessible in flight and safe from physical damage.
For MIC setting, refer to § 3.5.2.1 and § 4.2
Wiring without Intercom: connect A/C speaker direct to pins 11 and 15.
If more than one AF source isolation resistors 470 Ohm shall be installed.
Fuse 3.15-Amp quick acting, or circuit breaker 3 Amp.
Fig. 3 - 8 FSG 2T with MIC Selector Switch and INTERCOM
Hook-up Diagram for single or two seat application, using
Amplified / Standard Carbon Microphone(s) during self launching (noisy)
and
non-amplified Dynamic Gooseneck Microphone(s) during soaring (silent)