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Page 5
Calibrate - Important - Do Not Skip
The unit stores magnetic data and automatically calibrates
its digital compass; however, if the unit cannot
provide correct heading information due to environment
change (for example, near a metal structure),
then it is recommended to manually calibrate the unit. It is
also recommended to manually calibrate the unit for
rst-time use.
Note: The digital compass may be affected by
bridges and power lines—move away from such
when using the unit.
1. Hold the unit face-up while in Ready mode. Press
and hold location 1 (e5) until the message
Hold at and press lock appears on the LCD;
then press and release lock button (e2).
2. The LCD message changes to Turn 360°
around and press lock. Slowly turn the unit
completely around face-up; then press and release
lock button (e2).
3. The LCD message changes to Turn
over 360°and press lock. Slowly
turn the unit face-down and
continue turning the unit until it is face-up
again. Press and release lock button
(e2).
4. The LCD message Calibrate complete
appears and the unit goes to Ready.
Note: If LCD message reads Calibrate incomplete,
follow steps 1–3 exactly.
Note: To exit Compass Calibration without
completing calibration, press and hold location 1
(e5). If successful, the messages Hold down to
exit and Ready appear. (If you release location 1
too soon, the message Calibrate compass
appears, and the unit remains in Compass Calibration
mode, waiting for Lock to be pressed.)