Radar Display Overview - Raymarine a65 Installation And Operation Instructions Manual

Sea clutter
off
Sea clutter
in auto
Interference
When two or more radar-equipped vessels are operating within
range of each other mutual radar interference can occur. This
usually appears as a spiral of small dots from the display centre
This type of interference is most noticeable at long ranges. This
interference can be suppressed using the interference rejection
settings. The images in the table below show how the Interference
rejection settings can clear up some of this interference:
Interfer-
ence re-
jection off
Interfer-
ence re-
jection on
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13.5 Radar display overview

With your radar scanner connected and the radar in transmit mode,
the radar picture provides a map-like representation of the area
in which the radar is operating.
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Item Description
1 Range
2 On-screen controls (Touchscreen multifunction displays
only.)
3 Gain mode
4 Ship's Heading Marker (SHM)
5 Orientation
6 Guard Zone
7
Motion mode
8 Range status
9 Range ring spacing
10 Data cell overlay
11 Waypoint
12 Safe zone ring
13 Range out (Touchscreen multifunction displays only.)
14 Range in (Touchscreen multifunction displays only.)
15 Ship's position
Note: On-screen range controls can be enabled and disabled
from the homescreen: Customize > Display Preferences >
Range Controls
Additional functionality of the radar application includes:
• Color palettes.
• Adding AIS overlay.
• MARPA targets.
• VRM/EBL markers
Typically, your vessel's position is at the center of the display, and
its dead ahead bearing is indicated by a vertical heading line, known
as the Ship's Heading Marker (SHM).
Note: If the cursor is placed over the SHM, the SHM will
temporarily be removed to help placing markers or acquiring
targets etc.
On-screen targets may be large, small, bright or faint, depending on
the size of the object, its orientation and surface. If using a non-HD
digital radome scanner, strongest target returns are displayed in
yellow with weaker returns in 2 shades of blue. If using a HD or
SuperHD radar scanner, stronger target returns show as different
colors from a range of 256 colors, providing better clarity. Be aware
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New a Series / New c Series / New e Series
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D12207-2