z Turning on/off the pinning
You may enable or disable the update of the position
information when you have stayed at a location for a
certain period of time.
z Turning on/off the differential GPS feature
You may use the SBAS (satellite-based augmentation
system) while obtaining the position information.
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z Setting the interval time of logging
You may select a time rate for recording of the position
information obtained from the GPS (see page 74).
z Erasing the log
You may delete the records of the position information
obtained from the GPS (see page 74).