Garmin GPS III user manual

Summary of the content on the page No. 1

GPS Setup Guide
Portable GPS’s

Many new handheld GPS’s have adequate output required to fly a TruTrak autopilot. Although most support data
output not all handhelds will provide consistent and reliable information required to fly all TruTrak autopilots. Therefore,
some handhelds will not fly the airplane well. Performance may decline by putting the processor in high-load situations.
We require a data output rate of once per second for best performance. Some handhelds output data a

Summary of the content on the page No. 2

Garmin GPS 196 The Garmin 196 requires a Power/data cable (Garmin Part Number 010-10082-00) to provide data output. The Garmin 196 must be configured to provide the correct output to the autopilot. Press the MENU key twice. Use the arrow keypad to select the ‘SETUP’ tab. Within the Setup Menu select the ‘INTERFACE’ tab. Using the arrow keypad highlight the ‘Serial Data Format’ field. Use the arrow keypad to select ‘NMEA In/NMEA Out’ and press ENTER. Set the baud rate to 4800. Note:

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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 rat

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Panel mount GPS’s Garmin 155XL/250XL/300XL Garmin 155XL/250XL/300XL connections to TruTrak autopilot J1 on Signal Name Signal Name P101 on Garmin unit (Garmin) (TruTrak) 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 ou

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Garmin AT GNS480 Garmin AT GNS480 connections to TruTrak autopilot P1 on GNS480 Signal Name (Garmin AT) Signal Name P101 on TruTrak (TruTrak) DII/ADI/ Sorcerer 22 RS232 TxD2 Primary Serial Input 17 / 25 P5 on GNS480 Signal Name (Garmin AT) Signal Name P101 on TruTrak DII (TruTrak) Series 4 429 OUT 1A ARINC-A 14 / 26 24 429 OUT 1B ARINC-B 15 / 27 Power 480 up and select the 1, 4, MENU/ ENTER keys immediately after the GNS 480 initialization is complete. After restart, the first page d

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Power the GX-50/60/65 up and turn it on while holding down the leftmost and rightmost “smart keys.” Rotate the LARGE knob to the Serial Interface Configuration “CH RX TX” page. Press SEL (the selection fields will start flashing), rotate the LARGE knob to select the port, rotate the SMALL knob to select the desired configurations, and then press ENT when complete. If both the GX unit AND the DigiFlight unit have GPSS capability, select “GPSS” for CH 2, TX column, and wire pin 17 on the Dig