SUUNTO D9 - Manual (Page 66)

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situation. You must immediately descend to or below the cei-
ling.
If you continue to violate the decompression, the dive compu-
ter goes into a permanent Error Mode. In this mode the instru-
ment can only be used as a depth gauge and timer. You must
not dive again for at least 48 hours (see also section 6.7. “Er-
ror Conditions”).
Fig. 6.14. Ceiling and Floor Zones. The Recommended and
Manadatory Safety Stop zone lies between 6m and 3m [20 ft
and 10ft].