Set Gas - Aqua Lung i550C 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 i550C is not compatible with Aqua Lung Transmitters. It can only monitor and record the onboard, tank 1, gas pressure.

SET GAS

Pressing the SEL button viewing the Set Gas Lead-in screen accesses the Set Air/EAN (Enriched Air Nitrox)
screen. Within this screen you can select whether to use Air or Nitrox gas mixes. If Air is selected, the i550C will
return you to the Set Gas Lead-in screen in the menu. If EAN is selected, the i550C will allow you to choose a
gas FO (%O ) between 21-100%, PO
2 2
allows for each gas to have individual PO
the current PO Alarm setting and corresponding MOD (Maximum Operating Depth) are displayed.
2
NOTE: When FO is set for AIR, oxygen related data (such as PO
2
displayed at any 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: The i550C can only monitor and record the onboard, tank 1, gas pressure. When Gas 2 or 3 are
the active gas the gas pressure will not be displayed on the Main screen.
© Aqua Lung International, Inc. (2018)
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 settings, and whether to use 1, 2, or 3 gases. Additionally, the i550C
2
alarm settings. Within the Set Gas PO
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.
, %O
2
21
DIVE SURFACE MODE
LOG DATA 2
recorded elevation of
dive location,
SEA (or EL 2 - EL7)
lowest
temperature
SEL
to Data 3
Alarm 1, 2, and 3 screens the
2
, and O Saturation) will not be
2 2
Doc. 12-7909-r06 (7/10/19)