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Suunto D4 is all about
enjoying your diving experience. Whether you're on your well-earned
annual dive holiday or honing your freediving skills, Suunto D4 keeps
you informed and aware every meter of the way.
Suunto D4 is a full-decompression wristop dive
computer designed to put information, ease of use, and style first. Its
four operating modes, dive planning and analysis functions, and
compatibility with optional Suunto Dive Manager PC software make Suunto
D4 a great choice for those who value functionality and ease of use.
With its innovative freedive functions and dedicated freedive mode,
Suunto D4 is also perfect if you're serious about breath-hold diving.
Programmed to sample depth three times a second, Suunto D4 records
highly accurate data on the true depth reached. Surface time and depth
alarms help you make responsible decisions both in and out of the water.
In both Air and Nitrox mode, the clear, easy-to-read screen can display
your current and maximum depth; current time, dive time, and
decompression time; and temperature. Audible and visual depth and time
alarms warn you when it's time to start your ascent. In Nitrox mode,
you can increase your time underwater by adjusting the oxygen content
of your gas between 21% and 50% and adjust your PO2 limit between 0.5
and 1.6 bar.
Like other advanced Suunto dive computers, Suunto D4 uses the Suunto
RGBM algorithm for decompression calculations. It also allows you to
choose between taking traditional safety stops or, with the Deep Stops
feature activated, taking your safety stops at depth.
Before diving, the no-stop-time planner helps you prepare for your
dive. Enter the planned maximum depth of your dive, and Suunto D4 will
tell you how long you can dive before needing a decompression stop.
After diving you can instantly review all the data in the logbook.
Suunto D4 is also compatible with the optional Suunto Dive manager PC
software, which provides more in-depth analysis and graphical
representation of all your dives.
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Features
- Four operating modes: Time, Freedive, Air, and Nitrox
- Dive planning and analysis functions
- Compatible with optional Suunto Dive Manager PC software
- Automatic safety stop countdown
- Complete decompression stop data
- Suunto Deep Stop RGBM algorithm
- Multi step ascent rate indicator
- Battery power indicator and warning
- Depth display range: 0-100 m/ 0-238 ft
- Glass face, display shield, and lightweight composite housing
- Adjustable metric and imperial units
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