Set Gas - Aqua Lung i550 Owner's Manual

LOG DATA 1
max ascent
rate
ADV
Deep Stop triggered,
blank otherwise
to Data 2
LOG DATA 3
ADV
highest PO
2
reached during
the dive
Main Menu
*The i550 is not compatible with Aqua Lung Transmitters. It can only monitor and record the onboard, tank 1, gas pressure.

SET GAS

Within this submenu you can change the three available gas mixes from air to any nitrox mix between 21 - 100
FO (% O ). Nitrox mixes are displayed with their corresponding MOD (Maximum Operating Depth) and the cur-
2 2
rent PO Alarm setting for the selected gas. Default settings are FO
2
OFF for Gas 2 and 3. Settings revert to the defaults when 24 hours elapse without conducting a dive. If you set a
nitrox mix value for any gas the PO
each gas (1 - 3) to have individual PO
NOTE: Once any Gas is set for Nitrox, any other Gas set for AIR will automatically be set to 21%. The
AIR option will not be displayed as an FO
NOTE: When FO is set for AIR, oxygen related data (such as PO
2
time during the dive, on the surface, or in Plan Mode. Though these oxygen values will be tracked
internally for use in any subsequent nitrox dives.
NOTE: Gas 1 cannot be set to OFF.
NOTE: When Gas 2 or 3 are the active gas the message SPG (Submersible Pressure Gauge) will be
displayed on the Main screen in place of gas pressure.
NOTE: Only Set Gas 1 is shown here. Set Gas 2 and 3 work the same as Set Gas 1.
© Aqua Lung International, Inc. (2016)
max depth
max tissue loading,
blank if GAUGE dive
pre dive Surface Interval
hr:min, - : - - if first dive during
the activation period
Dive Time,
max 999 min
SEL
pressure used
during dive
(tank 1 only*)
% O Saturation
2
at end of dive, - - if the
dive entered
Violation Gauge Mode
gas mix
FO (% O
2
SEL
back to
alarm value will default to 1.40 until changed. Additionally, the i550 allows for
2
alarm settings.
2
setting until 24 hours elapse after the last dive.
2
ADV
or Main Menu
)
2
NOTE: Log Data 3 only displays for nitrox
dives; it is bypassed if the dive was an air
dive.
AIR with no PO
2
, % O
2
20
DIVE SURFACE MODE
LOG DATA 2
recorded elevation of
dive location,
SEA (or EL 2 - EL7)
lowest
temperature
SEL
to Data 3
alarm value for Gas 1, and
2
) will not be displayed at any
2
Doc. 12-7840-r03 (3/28/16)