Raymarine Raydata, Installation And Operating Handbook

Page: 42 / 87

Chapter 4: Setup and Calibration 33
4. When your vessel reaches the start point for the first calibration run,
press SPEED to start the run. The display indicates that the run is in
progress.
5. When you reach the end point of the run, press SPEED again to
stop the measurement.
The display returns to the Auto Speed Cal page.
6. If you wish to continue calibration with the next run, press DEPTH to
increase the run number by one. If you were not happy with the run,
you can leave the run number the same and repeat the current run
now, or continue now and repeat the run later.
7. Repeat steps 4 to 6 until you have completed all the runs. If all four
runs have been completed, when you press DEPTH the run number
returns to 1: if any of the runs were incorrect, you can use the
DEPTH key to select the required run number and then repeat the
run if required.
8. Press NAV to exit. The Exit Speed Setup page is displayed.
9. Press SPEED to store the new calibration factor. Alternatively, press
NAV to cancel all changes.
The last-used Setup page is displayed. Press NAV and
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Ù Ù
Ù
together
to return to normal operation.
Manual Calibration
If you already know the correct calibration factor, or have calculated it
yourself by timing a known distance run, you should adjust the
RayData’s calibration value as follows:
1. If one of the Setup pages is not currently displayed, press NAV and
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Ù Ù
Ù
together to display the first Setup page.
2. Press SPEED. The Auto Speed Cal page is displayed (see above).
3. Press NAV to exit. The Exit Speed Setup page is displayed.
4. Press DEPTH to display the Manual Speed Cal page.
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