After Diving; Surface Interval - Suunto D4 User Manual

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
Symbol on display

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:
Indication
Diver Attention Symbol - Extend Surface Interval
Violated Decompression Ceiling
Do Not Fly Symbol
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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