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1. WELCOME TO THE WORLD OF SUUNTO DIVING INSTRUMENTS ................ 5
1.1. Using HelO
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with Dive Manager and Dive Planner ................................. 5
2. WARNINGS, CAUTIONS, AND NOTES ................................................... 6
3. SUUNTO HelO
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AT A GLANCE ............................................................ 9
3.1. Navigating in the menus ............................................................... 9
3.2. Button symbols and functions ......................................................... 9
4. GETTING STARTED WITH YOUR SUUNTO HelO
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................................... 11
4.1. TIME mode settings ................................................................... 11
4.1.1. Setting the time .................................................................. 11
4.1.2. Setting the date .................................................................. 11
4.1.3. Setting the units .................................................................. 11
4.1.4. Setting the backlight ............................................................. 12
4.1.5. Setting the tones ................................................................. 12
4.2. AC water contacts ..................................................................... 12
5. BEFORE DIVING ........................................................................... 13
5.1. Planning your dives ................................................................... 13
5.2. The Suunto Technical RGBM ........................................................ 13
5.3. Emergency ascents ................................................................... 14
5.4. Dive computer limitations ............................................................. 14
5.5. Mixed gas diving ....................................................................... 14
5.6. Audible and visual alarms ............................................................ 15
5.7. Error conditions ........................................................................ 16
5.8. Wireless transmission ................................................................. 17
5.8.1. Installing the wireless transmitter .............................................. 17
5.8.2. Pairing and code selection ...................................................... 17
5.8.3. Transmitting data ................................................................ 18
5.9. MIXED GAS DIVE mode settings ................................................... 19
5.9.1. Setting the gases ................................................................ 19
5.9.2. Setting the depth alarm ......................................................... 20
5.9.3. Setting the dive-time alarm ..................................................... 20
5.9.4. Setting the personal/altitude adjustments ..................................... 20
5.9.5. Setting the sample rate .......................................................... 21
5.9.6. Setting the tank pressure alarm ................................................ 21
5.9.7. Setting the tank pressure ....................................................... 21
5.9.8. Setting the HP code ............................................................. 21
5.9.9. Setting the units .................................................................. 22
5.10. Activation and pre-checks .......................................................... 22
5.10.1. Accessing DIVE mode ......................................................... 22
5.10.2. DIVE mode activation .......................................................... 22
5.10.3. Battery power indication ....................................................... 23
5.10.4. Diving at altitude ................................................................ 23
5.10.5. Personal adjustments .......................................................... 24
5.11. Safety Stops .......................................................................... 25
5.11.1. Recommended Safety Stops .................................................. 25
5.11.2. Mandatory Safety Stops ....................................................... 25
5.12. Deep stops ............................................................................ 26
6. DIVING ....................................................................................... 27
6.1. Diving-related information ............................................................ 27
6.1.1. Basic dive data ................................................................... 27
6.1.2. Bookmark ......................................................................... 28
6.1.3. Ascent rate indicator ............................................................. 28
6.1.4. Safety Stops ...................................................................... 28
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