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18-1. Switching to Freedive Mode
In Watch Mode or Surface Mode, press-and-
hold the LED/LOG button and then press the
PLAN button twice to switch to Freedive Mode.
NOTE: if desaturation time remains on your Z1
after scuba diving; or if your Z1 is in a 48-hour
lock-down due to a violation; or if your Z1 is in
Gauge Mode; or if the battery charge level is
low, it will not be possible to access the Freed-
ive Mode.
18-2. Ending a Freedive Session
•
Press-and-hold the LED/LOG button and the PLAN button simultane-
ously to switch to Watch Mode or Surface Mode.
•
A freedive session is also automatically terminated if no dive activity
occurs for more than 60 minutes at a depth of more than 1m/3ft.
•
However, if you press the PLAN button while also pressing the LED/LOG
button in a situation where the dive is more than 1m/3ft in depth, the
Freedive Mode will not end – although if this situation persists at more
than 1m/3ft in depth for 99 minutes, your Z1 will automatically termi-
nate the freedive session.
NOTE: Freedives of more than 1m/3ft in depth will be saved as one session
in the Freedive Log.
18-3. Freedive Mode Functions
If you switch to the Freedive Mode and dive to a depth of 1m/3ft or deeper,
the Z1 switches to the freedive screen and the display alternates every
second between the primary freedive screen and the number of dives in
the freediving session.
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