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Editing a Decompression Plan
1 Press START.
2 Select Plan Dive > Deco Plans.
3 Select a decompression plan.
4 Select an option:
• To change the decompression plan details, select Edit.
• To edit the name of the decompression plan, select Rename.
5 Edit the information.
Deleting a Decompression Plan
1 Press START.
2 Select Plan Dive > Deco Plans.
3 Select a decompression plan.
4 Select Delete > Yes.
No-Fly Time
After a dive, appears on the default watch face, along with a no-fly time estimate in hours (Default Watch
Face, page 4). You should not fly in an airplane during this time. The default no-fly time after a dive is 24 hours.
After a gauge dive or a dive that violated the decompression plan, the no-fly time is set to 48 hours.
TIP: You can add the no-fly indicator to a custom watch face (Customizing the Watch Face, page 109).
Altitude Diving
At higher altitudes, the atmospheric pressure is lower, and your body contains a larger amount of nitrogen than
it would at the start of a dive at sea level. The device accounts for altitude changes automatically using the
barometric pressure sensor. The absolute pressure value used by the decompression model is not affected by
the altitude or the gauge pressure displayed on the watch.
Tips for Wearing the Device with an Exposure Suit
• Use the extra long silicone diving band to wear the device over a thick exposure suit.
• For accurate heart rate measurements, make sure that the device stays in contact with your skin and does
not bump into other wrist-worn devices (Wearing the Device, page 53).
• If you are wearing the device over an exposure suit, turn off the wrist-based heart rate monitor to increase
battery life (Turning Off the Wrist-based Heart Rate Monitor, page 54).
Diving 21
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