SUUNTO HELO2 - Manual (Page 33)

Alarm reason Alarm indication
Cylinder pressure reaches the selected
alarm pressure, 10–200 bar. Two beeps with a one-and-a-half second
interval. Tank pressure blinks.
Cylinder pressure reaches the fixed alarm
pressure, 50 bar.
No-decompression dive turns into a decom-
pression stop dive. Two beeps with a one-and-a-half second
interval for 24 seconds. ASC TIME blinks
and an arrow points upwards.
Depth is below the decompression floor
level. You should immediately ascend to,
or above, the floor.
Gas change is required. You should imme-
diately change to a gas more favorable to
decompression. ASC TIME assumes that
the gas is changed immediately and is
accurate only if you change the gas. Two beeps with a one-and-a-half second
interval. Gas mix value (O
2
%, O
2
%|He%)
blinks.
The deep stop depth is reached. Make the
mandatory deep stop for the duration
shown by the timer. Three beeps with a one second interval.
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