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Previous TC90 Service Bulletins for pilots

TC90 VHF Radio Control Head

Software versions run numerically, the higher the number the more recent the release – so the latest software will always include all the features of earlier versions.

04/04/2018        version 1.6 – Current software version

Improves behaviour when connecting to compatible Garmin GPS products, to push frequencies to the standby channel.

28/02/2017         version 1.5

This update improves compatibility with third party devices such as the Dynon Skyview and Garmin G3X.

06/01/2015         version 1.4

This adds Dual Control functionality – the ability to control a TY91 or TY92 radio with two TC90 control heads in tandem aircraft or gliders.

05/05/2015         version 1.3

Addition of self clearing warning messages and configurable microphone gain control. Please note these features require the associated TY91 / TY92 radio software to be updated to version 1.5 or higher

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