Displays:
1. Location (also infers BT connectivity)
2. Reverse tan and exp gradients both div 10
3. Current X (charge+)Battery
4. Arc tan 1 @ 45 degree = 1 and gradient div 10
5. Log10 and gradient div 100
6. Time
There is also a Bluetooth disconnected vibration with a sensible 6 min time out to stop crazy vibes on edge of signal. The whole function space rotates every 6 mins.