Isotope GMT Zero Degrees / 7 in 1

Double Tap 6 to Unlock Tap Functions / Single Tap to Lock tap functions.

Centre to Zoom.

Tap between 1 & 2 to toggle GMT in 24Hr format or Local Time in 24Hr format.

3 to adjust Brightness.

9 to toggle Dim - Auto / On / Off.

Tap between 10 & 11 to toggle Faces - 7 in Total.

GMT Disk, Battery Reserve in Dim.