114 E-Series Networked Display Reference Manual
For more information about how to use AIS, see
Chapter 12:
.
To switch AIS overlay on or off
1. Press the PRESENTATION softkey.
2. Press CHART LAYERS.
3. Toggle the AIS LAYER setting to ON or OFF.
Range rings
Range rings give you an incremental representation of distance from your vessel to
help you judge distances at a glance. The rings are always centred on your vessel, and
th e sc ale va rie s to sui t your cur ren t z oo m sett ing . Each rin g is label led wi th t he d ist ance
from your vessel.
To turn range rings on or off
1. Press the PRESENTATION softkey.
2. Press the CHART LAYERS softkey.
3. Select RANGE RINGS ON/OFF.
D9056_1
097°T
11.6kt
1.237nm
00h04m33s
Safety
critical data
Heading
Large
vessel
Direction
of turn
Small
vessel
COG/SOG
vector
Safe zone (defined by
distance or time)
Dangerous
target (flashes)
Sleeping
target
81244_4.book Page 114 Thursday, January 31, 2008 1:53 PM
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