Sperry Marine Visionmaster FT ECDIS, Руководство пользователя

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Navigation Tools ECDIS User Guide
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Position Sensor Tracks
Position sensor tracks include other available position sensor data sources
as defined in the Position Sensor, these may include the following:
•
DR (dead reckoned sensor)
•
LOP (Line of Position)
•
MAN (manually entered position)
To select a position source for a history track activate the position sensor
source radio button. Only one sensor source can be selected at one time.
When a position source is changed, the primary history track transitions to
the newly selected position source maintain a smooth continuous line.
Position sources for position sensors can be individually selected and
turned off.
History
The History area of the window allow history tracks to be switched between
Live and Daily, summary track data can also be displayed.
Live
Live displays the current history tracks based on the period of time entered
in the adjacent field. The history track period is variable from 6.0 minutes to
24.0 hours. For example, if the length is set to 1 hour then ownship's
position history for the past hour only will be displayed.
To change the maximum length click in the field and when the current value
changes to green move the trackball to increase or decrease the value,
click again to accept the selected time.
Daily
Daily displays the history tracks over the past 24 hours for the selected day
shown in the field below. The daily history track does not automatically
update but the selected day can be changed.
To change the daily tracks to a previous day:
1. Click the Back arrow to page through previous days up to a
maximum of 30 days ago. To return to the current day click on the
Forward arrow.
2. Or, to change the day, month or year click
in the date field and highlight the area you
want to change using the Forward and
Back arrows on the drop down keypad.