Garmin GMA 245, Installation Manual

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190-01879-11 GMA 245/245R Installation Manual
Rev. 6 Page 2-10
2.9.7 Hardwired Configuration Options
The configuration options in Table 2-12 are available by wiring the inputs to a pushbutton to ground (see
Figure C-2 and Figure C-3 ).
Table 2-12 Hardwire Configuration Options
Connector Pin Description Type Function
J2401 16
PILOT ICS
KEY*
Input
If DIP switch 1 is on, this active low input, when
grounded, will allow microphone audio to the intercom
from Pilot MIC.
J2401 24
COM ACTIVE
OUT*
Output
This output is active when Receiving selected COM
audio or when transmitting on the MIC selected COM.
This output can be used to connect to other devices to
inhibit other devices from playing audio into the GMA
while there is COM activity.
J2402 13
PASSENGER
ICS KEY*
Input
If DIP switch 1 is on, this active low input, when
grounded, will allow microphone audio to the intercom
from Passenger MIC.
J2402 20 COM SWAP* Input When grounded the MIC selected COM will swap.
J2402 22 PLAY KEY* Input
When grounded the last voice recorded message will
play. While playing, if grounded again, the previous
message will play.
J2402 30
COPILOT ICS
KEY*
Input
If DIP switch 1 is on, this active low input, when
grounded, will allow microphone audio to the intercom
from Copilot MIC.
*Active Low