16-1
16. Notes
16.1 Introduction
A navigation-related notebook is called "Notes". Notes is a "notebook data" file that provides messages for the
operator relative to a specific ship position in the monitoring mode. The operator specifies the range for each Notes
record. The ECDIS compares Notes range and your ship's position and displays Notes when your ship goes within
the range set for the Notes. (See the figure below.)
The operator may assign a brief message that appears on the radar display together with the notice of the proximity
of the relevant point.
While the ship sails, notebook pages (= records) in the selected Notes file are compared with your ship's position
once per minute to select Notes. Further, when the ship has passed a waypoint, the system will make a comparison
against your ship's position. If the system finds that you have arrived within a new Notes notebook page, it generates
the alert "850 Notes: New Record".
i
Range
Location of
Notes
Position of own ship
when Notes will be
activated
Position of own ship
when Notes will
disappear
i
Distance less
than 10 NM
Location of
Notes
Position of own ship
when Notes will be
activated
Position of own ship
when Notes will
disappear
Alert mode "when entering range" selected
Alert mode "when passing" selected
(range automatically selected to 10 NM)
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