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Radar
The marine radar transmits microwave energy that has the potential to be harmful to humans and
animals. Before beginning radar transmission, verify that the area around the radar is clear. The radar
transmits a beam approximately 12° above and below a line extending horizontally from the center
of the radar. Avoid looking directly at the radar, because the eyes are the most susceptible parts of
the body.
When you connect your chartplotter to an optional Garmin marine radar such as a GMR
a GMR 18/24, you can view more information about your surroundings. The radar connects through
the Garmin Marine Network and shares radar data with all networked chartplotters.
The GMR transmits a narrow beam of microwave energy as it rotates in a 360° pattern. When the
transmitted energy contacts a target, some of that energy is reflected back to the radar.
Transmitting Radar Signals
1. Turn on the network.
The radar warms up and a countdown is provided to alert you when the radar is ready.
Note: As a safety feature, the radar enters standby mode after it warms up. This gives you an
opportunity to verify that the area around the radar is clear before beginning radar transmission.
2. From the Home screen, select Radar.
3. Select Cruising, Harbor, offshore,
A countdown message appears while the radar is starting up, and the "Ready to Transmit"
message appears.
4. Select
Menu
>
transmit
A "Spinning Up" message appears for a few moments, and the radar begins painting an image.
Stopping the Transmission of Radar Signals
From the Radar screen, select
Adjusting the Zoom Scale on the Radar Screen
The zoom scale, also called the radar range, represents the distance from your position (the center)
to the outermost ring. Each ring represents an even division of the zoom scale. For example, if the
zoom scale is set at three miles, each ring represents one mile from the center out.
•
For the GPSMAP 7000 series, from the Radar screen , touch the
•
For the GPSMAP 6000 series, press the
Radar Display Modes
The Radar screen has five standard operating modes. Each mode is available for use only with a
compatible radar
(page
•
Cruising mode—shows a full-screen image of the gathered radar information.
•
Harbor mode—intended for use in inland waters, this mode works best with short-range radar
signals (2 nm or less).
7
Radar
Dual
Radar.
Menu
Radar to
>
73).
WARNING
Range, or Sentry.
Standby.
Range
keys (-/+).
GPSMAP
®
404/406 or
™
and
buttons.
6000/7000 Series Owner's Manual
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