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English
The GOA/CARTESIO watch-computer can be connected to a personal computer
through Cressi’s ad hoc interface (an accessory) and the relative software (acces-
sory). It is very important to read this user manual carefully and gain a precise
understanding of the instructions contained herein, otherwise, a person’s health
may be endangered or even damaged severely. The aim of this manual is to help
users understand all the functions of the computer, prior to using it in a dive. The
GOA/CARTESIO watch-computer by Cressi is always active in watch mode and,
unless it has been deliberately blocked, the dive computer mode may be activated
by scrolling the menu by means of the UP / DOWN buttons till you reach
the DIVE page. When diving, the dive mode is activated automatically at depths
of over -1.2 m.
COMPUTER CONTROL
OPERATION OF THE GOA/CARTESIO WATCH-COMPUTER –
WATH FUNCTION
GOA/CARTESIO is equipped with a user-friendly multi-level circular menu, all in
uppercase letters for improved legibility.
Functions of the buttons
UP button /
SEL
: when pressed briefly, this button lets you scroll through the
various menus and set the parameters in incremental mode. If you keep it down, it
lets you enter into the various menus and confirm the changes made.
When you press this button, and keep it down for a few seconds, in stopwatch or
dive mode, the backlight is turned ON.
INTRODUCTION
The GOA/CARTESIO watch-computer by Cressi is a highly advanced recreational
instrument, that can supply all the necessary information on depth, dive times,
decompression needs, ascent rates and surface intervals between a dive and the
next (AIR and NITROX).
Nitrogen absorption and release is continuously monitored by highly sophisticated
software, which adjusts it to the amounts of inert gas contained in the various
mixes used. This information appears on the computer display thanks to the PCD
System (Priority Compartment Digit Display), which permits a simple and direct
“dialogue” between the diver and the computer, ensuring a perfect understanding
all the data necessary at all times and optimal legibility in any situation of use.
The computer is equipped with a watch, a stopwatch and a calendar, and has a
versatile dive memory (logbook). The mathematical model of GOA/CARTESIO can
perform saturation and desaturation computations for dives made with air or with
a hyper-oxygenated mix (Nitrox).
In the latter case, you can set all the parameters for the mix used: from the ma-
ximum admissible value of PO2 (of between 1.2 bar and 1.6 bar) to the oxygen
percentage in the mix (%O2), of between 21% and 50% (GAS1) and between
21% and 99% (GAS2) (CARTESIO only).
Moreover, the instrument can be set by the user on either metric units (m -°C) or
imperial units (ft.-°F).
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