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Revision History
Rev A – Initial Release 2/9/17
Rev B – Added description of supplied cable.
Rev C – Revised for timing output for hardware version RM-2020-02
Rev D – Added EchoUAT support. Revised wiring for SafeFly Rev B Hardware. Updated GPS status
indicators.
Rev E – Added a section about recommended GPS configuration for with GRT EFIS.
Rev F – Various Changes
Rev G – Added wiring diagram and settings for Horizon and Sport WS and HS models with uAvionics
EchoUAT.
Rev H – Added note to EchoUAT settings to remind user to enter aircraft specific information in the
EchoUAT/TT22 settings menu on the general setup page.
Rev I – Minor clarifications of Uavionics EchoUAT wiring diagrams and applicability.
Rev J – Minor improvements for the Trig TT31. Added “Other TT31 Considerations” section.
Rev K – GPS Certification Level Setting changed to “B” for EchoUAT.
Rev L – Added minimum software versions for Trig TT22, settings for Flight ID and Address, GPS
Certification level for Echo UAT is now A or B, VFR ID is now N-number
Rev M – Added clarification for each type of equipment supported to perform the Safe-Fly GPS/SPC
configuration before performing the setup for the specific equipment.
Rev N – Added a note about TrigTT31 baud rate and clarified manual regarding types of settings.
Rev O – Updated Wiring diagram. Revised mounting screw to 8-32. Noted that the EchoUAT can be
mounted to the Safe-Fly GPS, and the Safe-Fly can be mounted to the Sport/Horizon 10.1.
Rev P – Clarified that a connection must be made for stand-alone Safe-Fly/Echo UAT operation,
removed EchoUAT settings that are not longer used (for COM2), and added a section on verifying
ADS-B operation via the FAA Performance Report, along with tips for resolving problems with this
report. Updated the default setting in the Safe-Fly GPS. Updated minimum software version for use
with EchoUAT.
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Safe-Fly 2020 GPS – Rev P GRT Avionics, Inc
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