... as a bottom timer, you want gauge mode.
That's the big deal. The other Suuntos make dandy bottom timers for technical diving, and even include (thoughtfully!) a resettable "stopwatch" which works REAL nicely for timing deco stops, while maintaining your logbook memory for profile analysis later.
That's the big deal. The other Suuntos make dandy bottom timers for technical diving, and even include (thoughtfully!) a resettable "stopwatch" which works REAL nicely for timing deco stops, while maintaining your logbook memory for profile analysis later.