Congratulations on your purchase of a SEAC dive computer.
Your SEAC dive computer is a technologically advanced
instrument, furnished with unique and innovative software for
freediving and diving with scuba equipment.
The JACK computer features a true algorithm for freedives
as well, which makes it completely different and innovative by
reducing the risk of accidents for the diver. This makes JACK
a unique dive computer and places it at a higher level of safety.
JACK also features a DIVE function with its full decompression
algorithm for calculating dives using scuba equipment, with
either air or Nitrox, up to 50% O
Check www.seacsub.com for any updates to this manual.
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IMPORTANT WARNINGS
GENERAL WARNINGS
m WARNING!
Read the user manual fully before using the SEAC computer.
Using the computer incorrectly will void the warranty and can
permanently damage the computer.
m WARNING!
Only use the dive computer after you have read all sections
of the instruction manual and you have understood how it
works.
m WARNING!
The dive computer is not a substitute for diver training and
should only be used by divers who have been properly trained
and who have earned the appropriate license issued by a
Certified Teaching Association.
m WARNING!
The SEAC computer is an auxiliary device during a dive.
Therefore, it is crucial that each diver always carry with
them a suitable table that will enable them to conduct the
decompression phase if the unit should malfunction.
m WARNING!
The computer does not replace an understanding of
decompression tables, which divers must always carry with
them for safety, along with a depth gauge and a dive watch.
Need help?
Do you have a question about the JACK and is the answer not in the manual?