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31Tracker500/500i User Manual
14.0 Setup
Select Setup from the Main Selection screen to access the Tracker500/500i setup functions.
See section 5.0 for a detailed description of using the cursor keys to select menu items and
changing data fields.
On the Setup screen and its sub-screens, where there is a value on the end of a highlighted
menu line, this can be changed by pressing the
or cursor keys. The key will step
forward through the list of available values and the will step in the reverse direction.
TRACK
HIGHWAY
DATUM
TRACK CLEAR Clears the track of the boat from the Trackplot
Screen. The Tracker500/500i will immediately start
recording a new track if Track is enabled.
TRACK ON/OFF Enable/Disable saving of boat track.
MODE To obtain a track history, the Tracker500/500i saves
the boat position to memory at regular intervals.
These intervals can be time intervals or distance
intervals. The MODE setting allows you to select time
or distance intervals.
INTRVL The selectable time interval range is 10 seconds to 1
hour. The selectable distance interval range is 0.1 to
5 miles/kilometres.
Highway screen road width. Range 0.1 to 5 miles/nautical miles/
kilometres.
GPS derived positions are based on a worldwide reference (datum)
known as WGS 1984. Many charts are based on datums other than
WGS 1984. This results in an offset between a Lat/Lon plotted on the
chart and the same Lat/Lon plotted on the Tracker500/500i. To match
the Tracker500/500i with your chart you must enter the datum shown
on the chart. Alternatively, if your datum is not included in the list of
datums, you can enter an offset value to ensure the displayed lat/lon
values match the chart. Once you have entered a datum or offset
values for your chart, all latitudes and longitudes, including waypoints,
will match the chart.
USE This option allows you to set the Tracker500/500i to
use either a datum or a position offset. The currently
selected datum and position offset values are
displayed in the bottom half of the screen. The
selected correction method has a box drawn round it.
POS.OFS. > Position Offset edit window. Enter offset values in the
range 0.000 – 9.999 minutes.
DATUM > Select this option to choose from the list of 106
available chart datums.