Lighthouse Raymarine gS 195, Installation And Operation Instruction Manual

Page: 310 / 440

ii. Select On to display the CPA graphic while
the target is being tracked.
iii. Select Off to hide the CPA graphic.
3. To display course and bearing information
alongside to the target select MARPA Data so
that Show is highlighted.
i.
Selecting MARPA Data will switch between
Show and Hide.
Viewing full MARPA target information
From the radar application:
1. Select
Menu .
2. Select Targets .
3. Select View Target Lists .
4. Select View MARPA List .
5. Select the relevant target.
21.7 Distances, range, and bearing
When you are using the radar application, you can
measure distances, ranges and bearings in a variety
of ways.
These options are detailed in the table below:
Functions
Distances
Between
Points Range
From Your
Vessel
Bearings
Range Rings Yes (approx-
imate dis-
tance) Yes (approx-
imate range) No
Cursor No Yes Yes
Variable
Range
Markers /
Electronic
Bearing Lines
(VRM/EBL) No Yes Yes
Floating
VRM/EBL Yes No Yes
Measuring using the range rings
Use the range rings to gauge the approximate
distances between points. Range rings are
concentric circles displayed on the screen and
centred from your vessel at pre-set distances. The
number and spacing of the rings changes as you
range in and out.
Examples:
D 12214-1 D 12215-1 D 12216-1
Range — 1/4 nm
Range Rings —
760ft apart Range — 3/4 nm
Range Rings —
1/4 nm apart Range — 1 1/2 nm
Range Rings —
1/4 nm apart
Measuring using the cursor
To measure the bearing and range from your
vessel to a specified target, move the cursor to the
appropriate position on the screen and press
Ok ,
the radar context menu will be displayed which shall
provide:
• Latitude
• Longitude
• Range
• Bearing
D12217-2
1 2
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gS Series