3.11 Dive modes ........................................................................... 38
3.11.1 Air mode ....................................................................... 39
3.11.2 Mixed mode .................................................................. 40
3.11.3 CCR mode ..................................................................... 42
3.11.4 Gauge mode ................................................................. 47
3.18 Sample rate ........................................................................... 54
3.21 Stopwatch ............................................................................. 58
3.24 Diver Safety .......................................................................... 63
3.25 Tank pressure ....................................................................... 66
3.25.5 Air time ......................................................................... 71
3.26 Tones ..................................................................................... 72
3