Limits Of Dive Computers; Care And Maintenance - Seac JACK User Manual

Limits of dive computers

The computer reflects the most up-to-date guidelines on dive
safety, but it must be stressed that the studies should be
considered theoretical. Their aim is to reduce risk, but they
cannot prevent the possibility of contracting illnesses associated
with underwater activities: decompression sickness when scuba
diving, and syncope/taravana/hemoptysis when freediving.

Care and maintenance

• Keep your computer clean and dry. Do not expose the
computer to chemical agents, including alcohol.
Use only fresh water to clean your computer, removing all
saline deposits. Leave the computer to dry naturally; do not
use jets of hot or cold air.
• Do not expose the computer to direct sunlight or sources
of heat higher than 50°C. Store the computer in a cool
(5°C-25°C) and dry place.
• Do not place the computer in a hyperbaric chamber.
The computer is designed for reading precision of +/- 2%
(European standards require precision levels of +/- 3.5%).
European standards require that the unit be checked periodically
to monitor the precision of its depth and time readings.
• The warranty will be forfeited if the computer is opened by an
unauthorized service center.
• The JACK computer is built to withstand use in sea water, but
after the dive it must be rinsed thoroughly in fresh water and
not exposed directly to sunlight or sources of heat to dry it.
• Check that there are no traces of humidity on the inside of the
display.
• Do not attempt to open, modify, or repair the computer
yourself. Always contact an Authorized Center or SEAC
directly.
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