Filter
Top Products
3. Press [SELECT] to toggle between the O
2
and PO
2
values.
4. Adjust the blinking O
2
value with [DOWN] or [UP] to match the
oxygen % of your tank and accept with [SELECT].
5. Adjust the blinking PO
2
(oxygen partial pressure) value with
[DOWN] or [Up] and confirm with [SELECT].
6. Press [MODE] to exit.
NOTE: If the oxygen content of a mix is set to 22% or above,
the setting value remains until changed. It does not automatically
revert back to 21%.
3.12.3 Free mode
With Free mode, Suunto D4i can be used as a freediving instrument.
The dive time is indicated in minutes and seconds in the center of
the display.
The free dive starts at 1.2 m (4 ft) and ends when your depth is less
than 0.9 m (3 ft).
Free mode has the following settings:
•
Depth notifications (see
12.3.1 Depth notifications
)
•
Depth alarm (see
3.10 Depth alarm
)
•
Dive time alarm (see
3.14 Dive time alarm
)
•
Surface timer (see
3.20 Surface and no-fly time
)
•
Sample rate (see
3.18 Sample rate
)
37