User manual

20
ALADIN SQUARE USER MANUAL
1.2.1 Set Gas 1
You may use your Square with the all nitrox
mixes from Air to pure oxygen.
By pressing the SEL in this display the
oxygen content of the Gas 1 starts blinking.
By pressing right or left you may scroll the
value from 21 up to 100%.
By pressing SEL the ppO
2
starts blinking.
By pressing right or left you may select the
value from 1.00 bar up to 1.60 bar. The
Maximum Operation Depth (MOD) for the
gas and selected ppO
2
is shown at the
bottom right.
It is possible to disable the MOD setting
(- - shown at the fi eld), but this requires
the security code 313 from the user. By
pressing the SEL button the user will
accept the given value.

NOTE: Diving with a ppO
2
higher than
1.4 is dangerous and may lead to
unconsciousness, drowning and death.

NOTE: ppO
2
is  xed to 1.60 bar when
selected oxygen content is 80% or
higher.
1.2.2 Set Gas D
When you are planning to make an
extended no stop dive or decompression
dive with another mix for accelerated
decompression you may enable the Gas D.
As a default the value the Gas D is disabled
and the content fi eld is blank.
You may select the Gas D content and
ppO
2
combination so that the MOD is
3m/10ft shallower than with Gas 1.
By pressing SEL at this display the oxygen
content starts blinking. By pressing right
or left buttons you may scroll the value. By
pressing the SEL the ppO
2
value starts to
blink. By pressing right or left the value may
be selected from 1.00 bar up to 1.60 bar in
0.05 bar steps. By pressing SEL the Gas D
setting is confi rmed and will be used at the
next dive or planner use.