Bedienungsanleitung Cressi NEWTON (Seite 8 von 23) (Englisch)

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BEFORE DIVING

SET MODE: Setting of dive mode.

As noted, once switched to the "dive computer" mode the display is in the PRE DIVE mode. This displays the

settings for the dive. The parameters can be changed by repeatedly pressing the UP ( to scroll the menu) or

DOWN ( to go back to the menu) button until the screen shows the MODE SET (MODE-S) and setting the AIR

or NITROX mode according to the type of dive you want to perform. Newton allows, in fact, all types of dives, Air

dive, Nitrox dive, and dives with two different hyper-oxygenated mixtures selected, if previously set, in any

moment of the dive.

MODE-S AIR

In this mode you can dive using only air with partial oxygen pressure set in a standard value of 1.4 bar. Once

you choose this mode, by accessing the next menu DIVE SET (DIVE-S) you will be able to modify only the

Deep Stop, Safety Factor (SF) and Altitude (Alt) settings.

MODE-S NITROX

In the NITROX mode you can dive using one or two hyper-oxygenated mixtures MIX1 and MIX2.

Once this mode is selected, you can access the next menu DIVE SET (DIVE-S) to modify MIX1 for the first

mixture or bottom mixture and then MIX2 for the secondary mixture or decompression respectively.

Mix1 is the main mixture, the one we can use for all type of dives or simply for the descent, deep end and partial

ascent phase and it can be set with values between 21% and 50% with O2 variations of 1%.

Mix2 is the secondary mixture or decompression mixture, the one we can use in the ascent phase where the

stop is carried out and it can be set with values between 21% and 99% with O2 variations of 1%.

To dive with one Nitrox mixture it is enough to set only the parameters of Mix1 and use such mixture during the

whole dive.

To dive with two mixtures, you have to set the parameters for both mixtures (Mix1 and Mix2) taking into account

(as said before) that Mix1 is the bottom mixture and Mix2 is the decompression mixture.

During dive when the depth allows it, you will be able to change the mixture in the mode described in the "dive

with nitrox: gas switching" paragraph.

The other accessible settings in DIVE-S once entered in NITROX mode are:

Mix1 and eventually Mix2 Partial Oxygen Pressure (PO2) setting;

Mix1 and eventually Mix2 Percentage or Fraction of Oxygen (FO2) setting;

Dive safety factor (SF);

Altitude (Alt.);

Deep Stop.

DANGER: Cressi discourages diving with gaseous mixtures other than air without proper training. The

use of “technical” multi-gas mixtures may expose the diver to different risks than those of recreational

diving, including serious physical damages and, in extreme cases, death.

IMPORTANT: If the screen displays the battery icon with a single segment on, the computer MUST NOT

be used. The battery can be replaced by the user, as we shall see in the corresponding chapter.

To set the MODE-S NITROX mode, press the Mode button after selecting the MODE SET (MODE-S)

menu. Then, by pressing either the UP or DOWN button, the flashing word "Air" at the top right, will be

replaced by the word "Nit" (NITROX). Then confirm the value set by holding down the Mode button to

return to the main menu (after a beep). If the Mode button is not pressed as described, the computer will

modify settings automatically, issue a beep, and return to the main screen.

MODE-S MODE

AUTOMATIC

RETURN OR

WITH LONG

MODE BUTTON

BEEP

INDEX

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