Raytheon RayChart 620, Руководство по эксплуатации

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Chapter 4: Additional Basic Functions 37
The option changes to STOP, indicating that Track History is turned
on, and the RayChart starts laying down track marks.
The track data is stored in the track file that is set as the current track
(see below).
3. If you wish to turn Track History off again, highlight the STOP option
and press ENTER.
4. Press CLEAR to clear the menus.
Deleting the Current Track
Deleting a track clears all the track history data from the selected file,
ready to use it for new data.
➤
To delete the current track:
1. From the default soft key display, press the MENU key to display the
main menus.
2. Use the trackpad or press the TRACKS soft key to highlight the
DELETE option, and press ENTER.
3. Press ENTER again to confirm the deletion.
The track data in the current track file is deleted.
If the track is currently active, the old data is cleared from the file and
the screen, but any new track history information is still stored in the
current file.
4. Press CLEAR to clear the menus.
Editing Track Controls
The EDIT option on the Tracks menu allows you to edit the controls for
the current track and also any other tracks stored in memory. You can:
• Select one or more track histories for display.
• Change the track file for the current track history data. If you do this
while the track history is switched on, the RayChart stops storing
track data to the original track file, and starts storing it in the new file.
• Change the track interval for the current track. You can select one of
the following intervals:
- 1, 5, 10 or 30 seconds
- 1, 3, 5, 10 or 30 minutes
- 0.1, 0.5 or 1.0 nm