12. NAVIGATION TOOLS
12-5
12.3
Look-ahead
[Look-ahead] sets the area ahead and around own ship for which to check for safe
navigation. See section 8.2 for how to activate own ship check.
12.4
Ring
The range rings are the concentric set of rings on the ECDIS display. They provide an
estimation of the range to an object. You can turn them on or off from the [Ring] page.
The interval between rings changes with the chart scale as shown in the table below.
Chart scale
Ring interval (nm)
Chart scale
Ring interval (nm)
1:1,000
0.025
1:100,000
2.0
1:2,000
0.05
1:200,000
4.0
1:5,000
0.10
1:500,000
8.0
1:10,000
0.25
1:1,000,000
16.0
1:20,000
0.5
1:2,000,000
20.0
1:50,000
1.0
Range
ring
Содержание FMD3100
Страница 1: ...www furuno com OPERATOR S MANUAL Model FMD 3100 ELECTRONIC CHART DISPLAY AND INFORMATION SYSTEM ECDIS ...
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Страница 70: ...2 OPERATIONAL OVERVIEW 2 34 This page is intentionally left blank ...
Страница 128: ...5 VECTOR S57 CHARTS 5 12 This page is intentionally left blank ...
Страница 140: ...7 C MAP BY JEPESSEN CHARTS 7 6 This page is intentionally left blank ...
Страница 206: ...11 HOW TO MONITOR ROUTES 11 16 This page is intentionally left blank ...
Страница 230: ...13 TRACKED TARGET TT FUNCTIONS 13 10 This page is intentionally left blank ...
Страница 244: ...14 AIS TARGET FUNCTIONS 14 14 This page is intentionally left blank ...
Страница 250: ...15 AIS SAFETY NAVTEX MESSAGES 15 6 This page is intentionally left blank ...
Страница 294: ...19 RECORDING FUNCTIONS PLAYBACK FUNCTIONS 19 14 This page is intentionally left blank ...
Страница 312: ...20 ALERTS 20 18 This page is intentionally left blank ...
Страница 332: ...22 SETTINGS MENU 22 16 This page is intentionally left blank ...
Страница 338: ...23 MAINTENANCE AND TROUBLESHOOTING 23 6 This page is intentionally left blank ...
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