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NOTE: For successful calibration, it is important to hold the Observer level during the
calibration process. This is simple to accomplish. For example, place the Observer on an over-
turned drinking glass on a table.
5. Within a minute of completing a full circle, the Observer will inform you whether the cali-
bration was successful by displaying the text dOnE in the middle field (Fig. 5.7), or if the
calibration needs to be repeated by displaying PUSH and - (Fig. 5.5).
NOTE: you may need to perform the rotating of the compass more than twice around for the
calibration to be completed.
NOTE: If the text FAIL appears in the middle field, the battery should be removed and put
back in before trying to proceed with the calibration process. The removal of the battery will
reset the unit.
6. Once the calibration is successful, press the [MODE] button to accept calibration. Press the
[MODE] button a second time to return to main compass mode.
The compass calibration is complete.
CHAPTER 6 FREQUENTLY ASKED QUESTIONS
Can I swim with the Observer?
Yes, the Observer is waterproof to a depth of 100 meters (330 ft). However, the Observer is
NOT a diving device and the buttons should not be pressed underwater.
How long does the battery last?
The normal lifetime expectancy is 12 months. Battery life depends mainly on how much the
backlight, the compass and the logbook are used. The low-battery warning symbol appears on
the display when 5 to 15 percent of battery capacity remains. Which gives you plenty of time to
safely change the battery.
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