Crest Audio CR4 - Freediving Mode History and Reminders; Freediving Maximum History; Freediving Average Rate; Freediving No Diving Reminder

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1.5.1 Freediving Mode
DEPTH：MAX Depth
TIME：MAX Descent time
Note:
Maximum History Information will be
Return-to-Zero after 11 hours.
Description：Freediving Mode - Average
Rate
(Average Rate calculation are based on
total freediving history executed with this
dive computer within 11 hours.)
To Access: Press DOWN Button twice
times under Freediving Mode.
ASCENT：Average Ascent speed
DESCENT：Average Descent speed
Note: Average Rate Information will be
Return-to-Zero after 11 hours.
Description: Freediving Mode – No
Diving
If NO DIVE recommendation time
countdown shows on the screen, DO
NOT continue diving activities.
For exact NO DIVE recommendation time
countdown please check Dive History page.
Note:
Freediving Mode, Scuba Mode and Plan
Mode will remain locked during NO DIVE
recommendation time countdown.