Updates & Downloads

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GTR 205x, SB 24075B, 006-B4769-01 software version 2.21

as of December 3, 2024

Download (10.02 MB)

View installation instructions

Notes:

• This software update is intended to be loaded on GTR 205x only.

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Change History

Changes made from version 2.20 to 2.21:

• Fixed how System ID is shown on the display
• Intercom auto squelch is now disabled when configured for Pilot and/or Copilot ICS Key discrete input(s)
• Fixed undesirable volume level with some phone models when a Bluetooth call is received while listening to media
• Fixed an issue where phone calls could not be heard if answered after the incoming call pop-up was dismissed
• Fixed miscellaneous Bluetooth Module issues
• Fixed how negative timer values are shown on the display in some configurations

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Installation Instructions

1. Follow instructions per the included Service Bulletin 24075 Rev B.

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