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Garmin 496
The Garmin 496 must be configured to provide the correct output to the autopilot.
Press the MENU key twice. Use the rocker keypad to select the SETUP in the vertical tabs. Use the rocker keypad to
select the ‘Interface’ tab.
Press the down portion of the rocker keypad to select the ‘Serial Data Format’ field.
Press ENTER and a popup window will show the available settings.
Use the rocker keypad to select ‘NMEA IN / NMEA OUT’ then press ENTER. Select 4800 for the baud rate. Note:
This is the baud rate that will need to be entered in the setup mode of the autopilot.
Press MENU to enter the Advanced NMEA page. Select ‘Advanced NMEA Setup’ and press ENTER.
Using the arrow keypad and the ENTER key to select “FAST OUTPUT” or turn OFF ‘GPS Status (GSA, GSV)’,
‘Waypoint/Route (WPL, RTE)’, and ‘GARMIN Proprietary’.
Now the Garmin 496 is correctly set up to provide the RS-232 serial output required by your TruTrak autopilot.
Lowrance Airmap 100
The Lowrance Airmap 100 requires a NMEA/DGPS adapter cable to provide data output. The Lowrance Airmap 100 must be
configured to provide the correct output to the autopilot.
Press the MENU key then select “NMEA/DGPS CONFIG” from the “System Setup” menu. Highlight the “NMEA
OUT” menu then press the right arrow key.
Note: The default baud rate is 4800. This is the baud rate that will entered into the autopilot in the setup mode.
Now the Lowrance Airmap 100 is correctly set up to provide the RS-232 serial output required by your TruTrak autopilot.
Lowrance Airmap 1000/2000
The Lowrance Airmap 1000/2000 requires a NMEA/DGPS adapter cable to provide data output. The Lowrance Airmap
1000/2000 must be configured to provide the correct output to the autopilot. AirMap has one NMEA 0183 version 2.0
compatible communication port,
Press MENU|MENU|↓ to SYSTEM SETUP|ENT. Press ↓ to COMMUNICATIONS PORT|ENT. Select 9600
Baud. This is the baud rate that will entered into the autopilot in the setup mode. Select “NMEA OUT”
Now the Lowrance Airmap 1000/2000 is correctly set up to provide the RS-232 serial output required by your TruTrak
autopilot.
AvMap EKP IV
The AvMap EKP IV requires a NMEA/DGPS adapter cable to provide data output. The AvMap EKP IV must be configured to
provide the correct output to the autopilot.
MENU’ 1 sec. + “COMMUNICATIONS” + ‘ENTER’ + “NMEA OUTPUT” + ‘ENTER’.
The Output NMEA0183 messages are RMC, RMB that need to be selected.
Note: The default baud rate is 4800. This is the baud rate that will entered into the autopilot in the setup mode. The yellow
wire is the Data out TX wire.
Now the AvMap EKP IV is correctly set up to provide the RS-232 serial output required by your TruTrak autopilot.
Garmin 35-HVS
Connect Red to Power and Black to Ground then Blue to Serial input.
The default baud rate is 4800. This is the baud rate that will entered into the autopilot in the setup mode.
There is no necessary setup procedure for the Garmin-35 unit. It may require up to 45 minutes to achieve
a position fix the first time it is powered on; afterwards it will take less time to obtain a position fix as it
contains its own battery and position memory. To use this unit, configure the DigiFlight II’s baud rate to
4800 baud in the setup screen. This unit does not provide GPS-NAV information, course guidance, or
flight planning. Its sole function is to provide the autopilot with a source of ground track and ground
speed information to slave the autopilot’s internal DG function.