3.6 Diving in mountain lakes ........................................................................ 23
3.6.1 Altimeter ................................................................................ 23
3.6.2 Altitude classes ...................................................................... 23
3.6.3 Prohibited altitude .................................................................. 24
3.6.4 Decompression dives in mountain lakes ................................. 24
3.7 Gauge mode ......................................................................................... 24
3.7.1 Switching the gauge mode on and off .................................... 24
3.7.2 Diving in gauge mode ............................................................ 25
3.7.3 After diving in gauge mode ..................................................... 25
3.8 Apnea mode ......................................................................................... 25
3.8.1 Switching the apnea mode on and off .................................... 25
3.8.2 Diving in apnea mode ............................................................. 26
3.9 Diving with microbubble (MB) levels ....................................................... 27
3.9.1 Comparison of dives with MB level L0 and MB level L5 .......... 27
3.9.2 Terminology ............................................................................ 27
3.9.3 Preparation for a dive with MB levels ...................................... 29
3.9.4 Functions during the dive with MB levels ................................ 29
3.9.5 Completing a dive with MB levels ........................................... 31
3.10 PDIS (Prole Dependent Intermediate Stop) ........................................... 31
3.10.1 Introduction to PDIS ............................................................... 31
3.10.2 How does PDIS work? ........................................................... 32
3.10.3 Special considerations when diving with more than one gas
mixture (Aladin Sport) ............................................................. 33
3.10.4 Diving with PDIS ..................................................................... 33
3.11 Diving with 2 or 3 gas mixtures .............................................................. 34
4. Functions on the surface ................................................................................... 37
4.1 COMPASS ............................................................................................ 37
4.1.1 Finding a direction .................................................................. 37
4.1.2 Setting declination .................................................................. 38
4.1.3 Setting timeout ....................................................................... 38
4.1.4 Recalibrating the compass ..................................................... 38
4.2 DIVE PLANNER ..................................................................................... 40
4.2.1 Planning a no-stop dive .......................................................... 40
4.2.2 Planning a decompression dive .............................................. 41
4.2.3 Leaving the dive planner ......................................................... 41
4.3 LOGBOOK ............................................................................................ 42
4.3.1 Survey .................................................................................... 42
4.3.2 Operation ............................................................................... 42
4.3.2.1 Page 1 ...................................................................... 43
4.3.2.2 Page 2 ...................................................................... 43
4.3.2.3 Page 3 ...................................................................... 43
4.3.2.4 Statistical information (HISTORY) ..............................44