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c) Redraw
• Border range:
Sets the border range to shift the chart when ship reaches it. (Effective
only when motion "True" is selected.) Border range can set from 30%
to 80%.
• Margin (Chart Rotation):
[Ex. The boarder range feature]
When set border range is 80%, When your ship reaches the border range,
the chart automatically shifts as follow:
This function is effective only when the mode "Course up" is
selected. (See 3.7.2 "Selecting Azimuth Mode (S-57/C-MAP
Only)".) The chart will be turned step-by-step by the angle
set here. Namely, if the [Margin (Chart Rotation)] is set to 10
degrees, the chart will be rotated each time the ship turns
more than 10 degrees.
3-161
3 Basic Operation of ECDIS
ECDIS
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