GTN 625/635/650 TSO Installation Manual
Page 6-27
190-01004-02
Rev. C
GARMIN DISPLAY
Label #
Data
310
GPS Latitude (degrees)
311
GPS Longitude (degrees)
261
GPS Discretes
312
GPS Ground Speed (knots)
313
GPS Track Angle (degrees)
314
True Heading (degrees)
320
Magnetic Heading (degrees)
GARMIN TAS
Label #
Data
274
TAS Discretes
AFCS
Label #
Data
102
Selected Altitude (feet)
234
Barometric Setting (hPa)
235
Barometric Setting (“Hg)
271
Pitch Discretes
ARINC 429 OUTPUT SELECTIONS
ARINC 429 Port 1 defaults to Off. Each output port can be configured independently for the desired
function. Both ARINC 429 outputs send high speed ARINC 429 data.
Selection
Description
CHANNEL 1 (DATA)
DATA SOURCE: OFF, ADLP, GARMIN, GARMIN TAS, or GARMIN W/TIS.
DEFAULTS to OFF. ARINC 429 input channel 4 sets the ARINC 429 output
channel 1 to the same selection.
CHANNEL 2 (DATA)
DATA SOURCE: OFF, GARMIN, GARMIN TAS, or GARMIN W/TIS.
DEFAULTS to GARMIN W/TIS. Do not select GARMIN W/TIS if the aircraft
contains another traffic detection system.
The Garmin format is a data concentration function. The following data is sent out at specified intervals
using high speed ARINC 429 (100 kHz). The transmit data labels and their rates are as follows:
Label #
Data
Rate
100
Selected Course (degrees)
200 ms
203
Pressure Altitude (feet)
100 ms
204
Barometric Corrected Altitude (feet)
100 ms
206
Indicated Air Speed (knots)
100 ms
210
True Air Speed (knots)
100 ms
211
Total Air Temperature (degrees)
100 ms
213
Static Air Temperature (degrees)
100 ms
314
True Heading
100 ms
320
Magnetic Heading (degrees)
100 ms
371
GA Equipment Identifier
500 ms
377
Equipment Identifier
500 ms