6. ECDIS Overview
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6.2.5 Resetting distance and trip counters
To reset the distance and trip counters to zero, do the following:
1. Spin the scrollwheel to show Menu/Info/Chart Menu in the guidance area then push the left button.
2. Select Record then push the scrollwheel.
3. Select Reset then push the scrollwheel.
4. Select appropriate "Counter" item then push the scrollwheel. (The difference between Distance Counter and
Trip Counter is distance counter is the total distance run and trip counter is the distance between random two
points.)
5. You are then asked if you are sure to reset selected counter. Click the OK button to reset. The prompt window
disappears.
6.2.6 Verifying datum
Datum is used to select between different models of the earth. It is essential that you use datum in a uniform way.
If you use paper charts together with electronic chart material, it is recommended that you use the same datum as
your current paper chart to avoid misalignment between your electronic chart system and points taken or plotted on
your current paper chart.
Once you have selected a datum, all numerical latitude-longitude
position values are presented in your selected datum.
To change the datum:
1. Select the datum indication in the top box in the information area.
2. Spin the scrollwheel to select appropriate datum, the one that
matches your paper charts, then push the scrollwheel.
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