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Panel mount GPS’s
Garmin 155XL/250XL/300XL
Garmin 155XL/250XL/300XL connections to TruTrak autopilot
J1 on
Garmin unit
Signal Name
(Garmin)
Signal Name
(TruTrak)
P101 on
TruTrak DII/ADI/
Sorcerer
19 or GPS RS 232 OUT 2 Primary Serial Input 17 / 25
24 GPS RS 232 OUT 1 Primary Serial Input 17 / 25
16 GPS ARINC 429 OUT A ARINC-A 14 / 26
15 GPS ARINC 429 OUT B ARINC-B 15 / 27
If you use pin 19 then you do not need to enter the setup mode as described below to select output type.
This output also has a selectable Baud rate. See pilots guide
Remove the data cards turn the unit on. Press “enter” in response to “Select operating mode Normal?” Press “enter” in
response to “No Jeppesen database rte / prx limited to user wpts ok?” After the satellite status page is displayed for 5 seconds
the unit may be turned off.
With power OFF press and hold the ENT key and turn the power on (release the ENT key when the display activates). You
should be in the TEST MODE. Rotate the outer knob to advance to I/O Channel 1. Press the CRSR key then rotate the outer
knob to Select Output rotate inner knob to select “Aviation”. Press the CRSR key then rotate the outer knob to Select ARINC
429 CHANNEL. Press the CRSR key then rotate the inner knob to advance to OUTPUT and select “w/o GAMA labels”
Note that for the Garmin units, the autopilot will need to be set for 9600 baud.
Garmin 430W and 530W
Garmin 430 and 530 connections to TruTrak autopilot
P4001 [P5001] on
Garmin 430 [530]
Signal Name
(Garmin)
Signal Name
(TruTrak)
P101 on
TruTrak DII/ADI/
Sorcerer
56 GPS RS 232 OUT 1 Primary Serial Input 17 / 25
46 GPS ARINC 429 OUT A ARINC-A 14 / 26
47 GPS ARINC 429 OUT B ARINC-B 15 / 27
Power 430/530 up and turn it on while holding down the ENT key. Release the ENT key when the display activates. After the
data base pages, the first page displayed is the MAIN ARINC 429 CONFIG page. While in Configuration mode, pages can be
selected by ensuring the cursor is off and rotating the small right knob. To change data on the displayed Configuration Page,
press the small right knob (CRSR) to turn on the cursor. Turn the large right knob to change between data fields. Turn the large
or small right knob to change a field that the cursor is on. Once you have made the desired selection, press the ENT key to
accept the entry.
With the MAIN ARINC 429 CONFIG page displayed, on the row labeled OUT, select SPEED Î Low
and DATA Î429 GAMA. In the VNAV row ENABLE LABELS.
Advance to the MAIN RS232 CONFIG page.
On the row labeled CHNL1, select OUTPUT Î Aviation.
Note that for the Garmin units, the autopilot will need to be set for 9600 baud.