Chapter 3: Standard Radar Operations
3-1
In
tro
du
ctio
n
Chapter 3: Standard Radar Operations
3.1 Introduction
This chapter provides detailed instructions for the standard operations of your
Pathfinder radar. Additional functions, that are available on integrated
systems with appropriate data sources, are described in
Chapter 4
. If you have
a combined radar/chart display refer to
Chapter 5
and
Chapter 6
for
information on charting operations.
You can use this chapter with the radar display set to simulator mode, or on the
water after you have installed and set up your Pathfinder system.
This chapter covers the following topics:
•
Range control.
•
Interpreting and adjusting the radar picture, including adjusting the gain,
sea clutter and rain clutter, changing the targets display, and tuning the
radar.
•
Measuring range (distances) and bearings using Variable Range Markers
(VRMs) and Electronic Bearing Lines (EBLs).
•
Setting up guard zones and handling alarms.
Note:
Until you are familiar with interpreting the radar display, you should
take every opportunity to compare the radar’s display patterns with visual
targets, such as other vessels, buoys and coastal structures. You should prac-
tice harbour and coastal navigation during daylight and in clear weather con-
ditions.
If you have a combined radar/chartplotter, or a system with any chart display
connected via SeaTalk , you can identify objects using either the radar/chart
overlay (see
Radar/Chart Overlay - SL70CRC only
on
page 2-26
) or the
cursor echo feature: With cursor echo on (see
Section 4.5
and
Chapter 7
) you
can select an object on the radar display, the cursor is repeated on the chart
display so you can check the object’s identity.
81206_1.book Page 1 Wednesday, March 6, 2002 9:44 AM
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