Suunto D4 - 7 After Diving; Surface Interval

7. AFTER DIVING
Once back at the surface, Suunto D4 continues to provide post-dive safety information
and alarms. Calculations to enable repetitive dive planning also help to maximize diver
safety.
Table 7.1. Alarms
IndicationSymbol on display
Diver Attention Symbol - Extend Surface Interval
Violated Decompression Ceiling
Do Not Fly Symbol
7.1. Surface interval
An ascent to any depth shallower than 1.2 m/4 ft (0,5 m/1,6 ft in FREE mode) will
cause the DIVING display to be replaced by the SURFACE display:
IT IS 6 MINUTES SINCE YOU SURFACED FROM A 35-MINUTE DIVE.
THE MAXIMUM DEPTH WAS 21.5 M. THE PRESENT DEPTH IS 0.0 M. THE
AIRPLANE SYMBOL AND NO-FLY VALUE INDICATE THAT YOU SHOULD NOT FLY
FOR 14 HOURS, 28 MINUTES. THE DIVER ATTENTION SYMBOL INDICATES THAT
YOU SHOULD PROLONG YOUR SURFACE INTERVAL TIME.
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