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When conditions are rough, it may be difficult to maintain a constant depth near the
surface. In such cases, it is more manageable to maintain an additional distance below
the ceiling, to ensure that the waves do not lift you above the ceiling. Suunto recom-
mends that decompression takes place deeper than 4 m/13 ft, even if the indicated
ceiling is shallower.
NOTE
It will take more time and more air to decompress below the ceiling
than at the ceiling.
WARNING
NEVER ASCEND ABOVE THE CEILING! You must not ascend
above the ceiling during your decompression. In order to avoid
doing so by accident, you should stay somewhat below the ceiling.
Display below the floor
The blinking ASC TIME sign and an upward pointing arrow indicate that youare below
the floor. You should start your ascent immediately. The ceiling depth is shown on the
left side, and the minimum total ascent time on the right side of the center window.
Below is an example of a decompression dive without Deep Stops, below the floor.
UPWARD POINTING ARROW, BLINKING ASC
TIME AND AN ALARM TELL YOU TO ASCEND.
MINIMUM TOTAL ASCENT TIME INCLUDING SAFETY
STOP IS 9 MINUTES. CEILING IS AT 3 M.
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