Garmin echoMAP 70s Guide Panduan Pengguna - Halaman 11

Jelajahi secara online atau unduh pdf Panduan Pengguna untuk Sistem GPS Kelautan Garmin echoMAP 70s Guide. Garmin echoMAP 70s Guide 28 halaman. Technical reference for garmin nmea 2000 products
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Surface Winds

Surface wind vectors appear on the Sea Conditions chart using wind

barbs that indicate the direction from which the wind is blowing. A wind

barb is a circle with a tail. The line or flag attached to the tail of the wind

barb indicates the wind speed. A short line represents 5 knots, a long line

represents 10 knots, and triangle represents 50 knots.

Wind Barb Wind Speed Wind Direc-

tion

Calm

5 knots

10 knots

15 knots

20 knots

50 knots

65 knots

GPSMAP 400/500 Series Weather Supplement

Wave Height, Wave Period, and Wave Direction

Wave heights for an area appear as variations in color. Different colors

indicate different wave heights

➊

screen.

➋

➊

The wave period indicates the time (in seconds) between successive waves.

Wave period lines

indicate areas that have the same wave period.

➌

Wave directions appear on the chart using red arrows

each arrow pointer indicates the direction in which a wave is moving.

XM WX Satellite Weather and Cellular Weather

, as shown in the legend

on the left of the

➋

➌

➍

. The direction of

➍