16.1 Radar application overview
Radio Detection And Ranging (Radar) equipment
is used to detect the presence, distance and speed
of objects (known as ‘targets’). Radar works by
transmitting radio pulses, then detecting reections
of these pulses (echoes) from objects within range
and displaying the reections as targets in the Radar
application.
Important: Until you are familiar with interpreting
the Radar display; every opportunity should be
taken to compare the Radar screen patterns with
visual targets such as other vessels, buoys and
coastal structures. You should practice harbor and
coastal navigation during daylight hours and in
clear weather conditions.
Description
1 Radar status bar displaying:
• Range
• Radar scanner serial number
• Gain mode
• Orientation
• Motion mode
• Range ring spacing
2 Waypoint
3
Onscreen controls (Touchscreen
multifunction displays only.)
4
16.12 Guard Zone
5
Ship's Heading Marker (SHM) (Your vessel’s
dead ahead bearing is indicated by the
SHM. If the cursor is placed over the SHM,
it will temporarily be removed to help placing
markers or acquiring targets etc.)
6
Radar status (Displayed in the databar)
7
Databox overlay
8
Automatic Identication System (AIS) target
9 Acquired 16.9 Mini Automatic Radar Plotting
Aid (MARPA) target
Description
10
Range controls (Touchscreen multifunction
displays only.)
11 MARPA target being acquired
Note:
• A GPS receiver and a fast heading sensor are
required for MARPA operation.
• A GPS receiver is required for Radar overlay in
the Chart application.
Radar scanner status symbols
The Radar scanner power mode status is indicated
in the databar located at the top of the screen.
Symbol
Radar
power
mode Description
Trans-
mit (TX)
Rotating icon
The Radar is powered on and
transmitting. This is the usual
mode of operation.
Standby
(STBY)
Static icon
The Radar is powered on but
not transmitting. On Open Array
Radars the antenna is not rotating.
The Radar does not transmit and
Radar data is not shown onscreen.
This is a power-save mode used
when the Radar is not needed
for short time periods. This is the
default mode.
Sleep Static icon
Radar scanners connected over
Wi-Fi go into a sleep mode when
powered down, this is so that the
Wi-Fi connection is still available to
re-connect to the Radar.
Off Grayed out icon
Wired Radar powered off or no
Radar is connected.
Timed
Trans-
mit
Radar switches between rotating
and static icon
Radar switches between
on/transmitting, and standby/sleep
in Timed Transmit mode.
Radar Feature Comparison
The information below shows which settings and
features available for each type of Radar scanner:
Radar scanner types:
• Quantum
™
• SuperHD
™
Open Array
• HD Open Array
• HD Radome
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