18 |
BAROMETRIC PRESSURE &
ALTITUDE ADJUSTMENT
B A R O M E T R I C P R E S S U R E & A L T I T U D E
Starting with Known Barometric
Pressure for your Location
• Use
or
to highlight the
“Altitude” screen.
• Press
and
simultaneously
until the word “REF” starts blinking
on screen.
• Use
or
to adjust the
reference value to the correct known
Barometric Pressure.
• Press
and
simultaneously
again to exit the setting mode.
After the Pressure reference is set,
place the unit on a table and allow it to
stabilize. The accurate Altitude reading will
then be displayed on screen.
Note the correct altitude reading
above and use this to set the
Barometric Pressure:
• Use
or
to highlight the
“BARO” screen.
• Press
and
simultaneously
until the word “REF” starts blinking
on screen.
• Use
or
to adjust the
reference value to the correct known
Altitude.
• Press
and
simultaneously
again to exit the setting mode.
Once these steps are complete, both
screens will display accurate readings.
Be sure to adjust your reference
measurements when you change your
location for altitude and/or barometric
pressure or when there has been dramatic
change in weather conditions.
Summary of Contents for 3550FW
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