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52 GPSMAP 620 and GPSMAP 640 Owner’s Manual
Marine Mode: Advanced Conguration
Conguring the Active Track Options
From the Home screen, touch Information > User Data > Tracks
> Active Track Options.
Record Mode—select Off, Fill, or Wrap.
• Off—does not record a track log.
• Fill—records a track log until the track memory is full.
• Wrap—continuously records the track log, replacing the oldest
track data with new data.
Interval—dene the frequency at which the track is recorded.
Recording more-frequent plots is more accurate, but lls the track
log faster.
• Interval—set whether the interval is determined by distance,
time, or resolution. (Touch Change to set the quantity.)
◦ Distance—record the track based on a distance between
points.
◦ Time—record the track based on a time interval.
◦ Resolution—record the track based on a variance from
your course. This setting is recommended for the most
efcient use of memory. The distance value (Change) is
the maximum error allowed from the true course before
recording a track point.
• Change—set the value of the interval.
Track Color—set the color of the track.
Conguring the Numbers Screen
From the Home screen, touch Dashboard > Numbers > Menu >
Congure.
1. Select the number of data elds you want to show on
the Numbers screen. The Numbers screen appears with
changeable data elds.
2. Touch the data eld you want to change.
3. Touch the data type you want to appear in the selected data
eld.
4. Repeat steps 3 and 4 until all the data elds contain the
information you want.
5. Touch Done.