Aeris CompuMask Operating Manual page 56

NOR PLAN MODE
AERIS strongly recommends that you review the Pre Dive Planning Se-
quence (PDPS) prior to every NOR dive to help you Plan your dive as
required to avoid exceeding no decompression or oxygen exposure limits.
NOTE: No Decompression Dive Time Limits in NOR PLAN MODE are
based on the FO2 Set Point.
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