Raymarine E Series Installation Guide Page 72

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4-24 E-Series Networked Display Reference Manual
Viewing MARPA targets on the chart
The Mini Automatic Radar Plotting Aid (MARPA) function is used for target tracking
and risk analysis. Although set up in radar mode or radar overlay, all MARPA targets
are displayed in the chart window and associated MARPA functions can be accessed
via the chart. Detailed information on MARPA is available in
Chapter 5:Using the
Radar
.
To access the MARPA controls when you are in chart mode, select the MARPA target
with the cursor.
Distinguishing between fixed and moving objects
You can overlay radar image data (including MARPA targets) over your chart image
allowing better distinction between fixed objects and other marine traffic. For best
results, switch on Radar-Chart synchronization (see
page 4-23
) to ensure radar range
and chart scale are synchronized.
To turn on radar overlay:
1. Press PRESENTATION.
2. Toggle RADAR OVERLAY to ON. If a radar is connected, the radar image will be
overlaid on the chart e.g.
D6609-1
4nm North-Up (Relative Motion) Local
CPA GRAPHIC
OFF ON AUTO
VECTOR MODE
TRUE RELATIVE
SHOW DETAILS
OFF ON
CANCEL ALL
TARGETS
CANCEL TARGET
MARPA target selected
with the cursor
PRESENTATION
RADAR OVERLAY
D6889-3
O
N
81244_1.book Page 24 Wednesday, December 1, 2004 11:41 AM
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