Atmos MissionOne User Manual page 17

7. GPS and E-Compass
The GPS function is designed to mark the entry/exit
coordinate and guide divesite where is in a wide and
top-open area. It may be hard to use the GPS function in
urban area due to too many interferences.
7.1 Mark Entry/Exit GPS Coordinate
Entry Point
MISSION ONE will mark the GPS coordinate if Wait
until the satellite icon stops blinking before dive.
Exit Point
MISSION ONE will mark the GPS coordinate if wait
until the satellite icon stops blinking after surfaced
from a dive.
7.2 Dive Site Guide
Dive Site function can be accessed in Scuba, Freedive,
Gauge Mode's Advanced Setting prior to descent.
Dive Site Divesite
1) Make sure you're at an open
environment , avoid rooftop,
tall building, magnetic filed.
7.3 Compass Calibration
Compass is magnetically oriented and will be disturbed if
it is close to electric fields, magnets and metal objects.
The electronic Compass is small and easily interfered.
Please avoid wearing MISSION ONE next to another
computer or compass.
Calibrate​ : COMPASS > Moving MISSION ONE in a
"∞"pattern.
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2) Go to nearby site function in
the advanced setting under
each dive mode.
3) Wait for the GPS signal ( it
may take sometime due to the
signal condition)
4) Mission One will show 5
nearest sites.
​
ADD: A dd a dive site
​
MY LIST: V iew and activate
dive site guide