Updates & Downloads
GTR 205x, SB 26097A, 006-B4769-08, MAIN software version 2.32
as of July 13, 2026
View installation instructions
Notes:
- This software update is intended to be loaded on GTR 205x only.
Change History
Changes made from version 2.30 to 2.32:
- Corrected an issue that prevented manually updating to a database before its effective date
- Added configurable option to output COM audio to a speaker in installations where the GTR is not the intercom
Changes made from version 2.22 to 2.30:
- Added optional Audio Panel feature enablement for the following new capabilities:
* Dual-COM controls (with failsafe mode)
* 4-place intercom system
* COM Playback
- Fixed the input of the GPS position in installations with GDU or GI displays that are configured for a MapMX input (GNC 215 has supported this previously)
- Reduced audio noise in output to the cabin speaker at the end of a COM radio transmission
- Fixed synchronization of the COM Channel Spacing setting over the NMEA interface
- Fixed display of the MSG softkey when the count-down timer has expired
- Fixed display of frequencies in the Nearest ARTCC list for stations with more than 50 frequencies, by limiting to the first 50
Installation Instructions
- Follow instructions per the included Service Bulletin 25024 Rev A.