Menu cleanup rebreather specific settings: In the previous version the selection for Fix setpoint or sensor was in the deco menu and the Fallback option in the hardware menu. As they have a dependency and are only relevant for rebreather operation, they have been moved into the extra menu which is containing rebreather related data and which is only visible in rebreather mode.

Heinrichs Weikamp OSTC4 update files.

The builds are for testing purposes only. Be careful, they might not work and are definitely not recommended for real dives.