SUUNTO Gekko - Manual (Page 45)

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4.2. SET MODES [2 SET]
The Set Mode (Fig. 4.15.) is di vided into four sub-
modes: dive computer model setting, alarm settings,
time setting and personal adjustments.
4.2.1. Dive Computer Model
Settings[1 SET MODEL ]
In the Model Setting mode the Gekk o can be set to
function in Air or Nitrox model. To enter the model
settings select MODE- SET - MODEL (Fig. 4.16).
Select AIR if di ving with standard air and select
NITROX if diving with oxygen enriched air.
4.2.1.1. Nitrox Oxygen Settings
The correct oxygen percentage of the gas in your
cylinder must always be entered into the computer
to ensure correct nitrogen and oxygen calculations.
Also the oxygen partial pressure limit must be set.
In the Nitrox Setting mode the equi valent allowed
maximum depth based on the chosen v alues will
also be displayed.
To enter the Nitrox/Oxygen Setting Mode select
MODE- SET- MODEL- NITROX. The default oxy-
gen percentage (O
2
%) setting is 21% (air) and oxygen
partial pressure (PO
2
) setting 1.4 bar (Fig. 4.17.).
NOTE!
The Nitrox settings will revert to default set-
tings 21% (air) and PO
2
1.4 bar after approximately
2 hours.
4.2.2. Alarm settings
[2 SET ALMS]
In the alarm settings you can set a di ve time alarm
and a maximum depth alarm. To enter Alarm settings
select MODE - SET - SET ALARMS (Fig. 4.18).
Fig. 4.16 Set Model mode
Fig. 4.17. Setting Nitrox
parameters, Oxygen percent-
age is 32%, oxygen partial
pressure limit is 1.4 bar. The
equivalent maximum depth is
displayed as 32.8 m [107 ft].
Press scroll buttons to change
oxygen percentage and to set
oxygen partial setting value.
Accept settings by pressing
MODE (OK).
Fig. 4.18 Set Alarms Mode
SELECT
O2%
PO2
m
OK
SELECT