Garmin GTX 3X5 Series Installation Manual page 186

CS-ACNS SECTION
CS ACNS.D.ELS.030 Flight Deck Interface
190-01499-02
Rev. 9
CS-ACNS ITEM DESCRIPTION
a) A means is provided:
1. To select Mode A Code, including
emergency indicators.
2. To initiate the IDENT (SPI) feature.
3. For an aircraft identification to be inserted
by the flight crew if the aircraft uses
variable aircraft identification.
4. To notify the flight crew when the
transmission of pressure altitude
information has been inhibited, if a means
to inhibit the transmission of pressure
altitude is provided.
5. To select the transponder to the 'standby'
or "OFF" condition.
6. To indicate the non-operational status or
failure of the transponder system without
undue delay and without the need for
flight crew action.
7. To display the selected Mode A code to the
flight crew.
8. To display the aircraft identification to the
flight crew
CS-ACNS Compliance Matrix
COMPLIANCE SUMMARY
The GTX 335/335R/345/345R units provide the following:
1. Mode A code entry either on the panel or from a
compatible control device, e.g., GTN 6XX/7XX, GNS
480, or GX000.
2. Ident can be activated via front panel button, discrete
input, or compatible control device.
3. Flight ID is entered from the transponder main page
on panel mounted units. For remote units, Flight ID
is entered remotely from a compatible control device.
4. The GTX 3X5 provides a means to inhibit the
transmission of pressure altitude. The means is
through selection of ON mode or Standby mode. The
flight crew is notified when transmission of pressure
altitude is inhibited, via the annunciation of ON or
Standby mode on the front panel or remotely on a
compatible control device.
5. The GTX 335/335R/345/345R units are equipped
with an OFF and STBY key. Remotely installed units
are controlled serially and provide a means to place
the unit in OFF or STBY.
6. Failure messages are provided to the display of panel
mounted units. Failure messages are provided to the
control source of remotely installed units. Failure
messages are documented in the maintenance
manual.
7. Mode A codes are displayed and entered from the
transponder main page on Panel mounted units. For
remote units, Mode A codes are displayed and
entered remotely from a compatible control device.
8. Flight ID is displayed on the transponder main page
on Panel mounted units. For remote units, Flight ID is
displayed remotely on a compatible control device.
GTX 3X5 Transponder TSO Installation Manual
Page E-5