Dive Mode At Surface; Surface Interval Counter; Gas Settings; Set Gas 1 - Uwatec Meridian Manual

The dive computer functions of Meridian on
the surface include, among others, setting
the oxygen concentration for nitrox diving,
setting the MB level of the decompression
algorithm, setting various warnings and
personal preferences,. To reach any of
these functions, Meridian must be in Dive
surface mode display. This can be reached
pressing the –/DOWN button once from
the main time and date display, until text
SCUBA, GAUGE or APNEA is shown (after
a dive, more information may appear – this
is described later in this chapter).
3.1.1 Dive mode at surface
When you have not been diving with your
Meridian for a while (no desaturation left)
the dive mode may appear as shown
below:
However in SCUBA mode after a dive, the
display may appear as shown below:
From here (SCUBA mode, after a dive), by
pressing the SEL/ESC button and scrolling
with the +/UP or –/DOWN buttons, you can
access a loop of additional menus related
to diving, which are: surface interval, set
SCUBAPRO MERIDIAN
3. Meridian as a dive computer
gas, set scuba, set apnea and algorithm
select.
3.1.2 Surface interval counter
After a dive the Meridian shows the surface
interval from the latest dive. The surface
interval counter counts until desaturation
is complete. After the desaturation is
complete this menu disappears.
The no-fly time is shown at the upper row
on the right corner in hours.
3.2 Gas settings
3.2.1 Set Gas 1
You may use your Meridian with all nitrox
mixes from Air to pure oxygen.
By pressing the SEL/ESC button in this
display the oxygen mix of Gas 1 starts
flashing. By pressing the +/UP or –/DOWN
button you may scroll the value from 21 up
to 100%.
Warning
Diving with a ppO higher than 1.4 is dangerous
2
and may lead to unconsciousness, drowning
and death.
By pressing SEL/ESC the maximum partial
pressure of oxygen (ppO
flashing. By pressing the +/UP or –/DOWN
button you may select the value from 1.00
bar up to 1.60 bar.
No-fly time
Surface interval
max) starts
2
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