1. WELCOME TO THE WORLD OF SUUNTO DIVING INSTRUMENTS ... .. .. .. .. . 7
2. WARNINGS, CAUTIONS, AND NOTES .............................................. 9
3. SUUNTO D4 AT A GLANCE .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 15
3.1. Navigating in the menus ......................................................... 15
3.2. Button symbols and functions ................................................... 16
4. GETTING STARTED WITH YOUR SUUNTO D4 .................................. 19
4.1. TIME mode settings .............................................................. 19
4.1.1. Setting the alarm ............................................................ 20
4.1.2. Setting the time .............................................................. 21
4.1.3. Setting the dual time .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 21
4.1.4. Setting the date .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 22
4.1.5. Setting the units ............................................................. 22
4.1.6. Setting the backlight . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 23
4.1.7. Setting the tones . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 23
4.2. Stopwatch ......................................................................... 24
4.3. AC water contacts ................................................................ 24
5. BEFORE DIVING ...................................................................... 26
5.1. The Suunto RGBM/Deep Stop Algorithm .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 27
5.2. Emergency ascents .............................................................. 27
5.3. Dive computer limitations . .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. . 28
5.4. Nitrox ............................................................................... 28
5.5. Free diving ......................................................................... 29
5.6. Audible and visual alarms ....................................................... 29
5.7. Error conditions ................................................................... 32
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