Compass
____________________
marks
____________________
sensor
vent
External
power
____________________
data
____________________
____________________
alignment
bar
Power
/
____________________
____________________
display
The
____________________
in
/
____________________
The
____________________
button
____________________
page
____________________
Pressure
____________________
vent
The
thumb
____________________
battery
compartment
____________________
carry
____________________
the
____________________
button
the
____________________
butto
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