Double Tap 6 to Unlock Tap Functions / Single Tap to Lock tap functions.
Tap FWD to advance GMT Hand 1 Hr,
AFT to reduce GMT Hand 1 Hr.
Tap LH Sub Dial to Start/Pause/Stopwatch - double tap to Reset.
The hands park out of the way, revert when stopwatch reset.
Tap Mach Speed window to toggle Time.
9 to toggle Dim - Auto / On / Off.
12 to adjust Brightness.
Second Hand Battery Reserve in Dim.
Uploaded on 7 Aug 2020