TN70 Service Bulletins for pilots


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.

10/05/2023         version C1.10-1 – Current software version

A limited number of TN70 GPS Position Source units have been identified by Trig as having been affected by a manufacturing error. This service bulletin allows for specific corrective action, allowing the reconfiguration of the IO communication protocol and the hardware modification status marking of the unit.