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FAQ on Garmin Radars
If a radar is being used with a Garmin Marine Chartplotter and the radar
cannot be seen by the chartplotter or if the chartplotter displays a "Radar
Service Lost" error, then there are some troubleshooting steps that can
determine the issue.
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If the radar image is not matching the cartography image displayed on the
screen of your chartplotter, it may be necessary to adjust the radar offset.
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Fishermen often find it useful to utilize radar for locating birds, as
groups of birds can be an indication of fish under the surface of the water.
Garmin xHD radomes and xHD2 open array series radar models have a gain
setting (referred to as "Bird Mode") to increase the likelihood of finding
birds. A compatible Garmin chartplotter is required to take advantage of
this feature.
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Garmin radars are only compatible with Garmin chartplotters. Garmin's radars
communicate with Garmin chartplotters using a proprietary communication
protocol. This protocol is not available to other manufacturers and
therefore will prevent third-party chartplotters from functioning with
Garmin radars.
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With up to date software, the color of the radar overlay can be changed on
many radar compatible Garmin chartplotters. This feature is only available
with xHD or xHD2 model radar units. The available options for color modes
are Red, Yellow, and Green.
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Garmin has stopped including software update cards with new radomes. The
reasoning behind this change is that the software release that made
chartplotters compatible with the new radomes was released about a year ago
(October 2013). Newly purchased and installed packages should have no
problem working out of the box.
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It is not possible to view two radar sources simultaneously on a single
chartplotter. In order to simultaneously view two radars, multiple
chartplotters must be utilized in the Garmin Marine Network and each of them
must be manually configured to utilize a specific radar source.
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This feature allows the user to choose between a standard pulse width or a
longer pulse option. Longer transmit pulses increase the probability of
detection, the size of target echoes on the screen, and the amount that real
targets will stand out from clutter.
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Radar Beacons (RACON) that are used by the U.S. Coast Guard are designed to
be triggered by a specific frequency range, known as X band. Once triggered,
the signal is then reflected back to the radar so that the signal can be
processed.
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A portion of radar imagery missing on the radar page generally represents a
blind arc. Blind arcs are generally caused when the radar's output is
blocked by something very close to the radar.
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Fishermen often find it useful to utilize radar for locating birds, as
groups of birds can be an indication of fish under the surface of the water.
Garmin xHD radomes and xHD2 open array series radar models have a gain
setting (referred to as "Bird Mode") to increase the likelihood of finding
birds. A compatible Garmin chartplotter is required to take advantage of
this feature.
Read
More »
If the radar image is not matching the cartography image displayed on the
screen of your chartplotter, it may be necessary to adjust the radar offset.
Read
More »
When connected to a compatible Garmin chartplotter, a Garmin radar can
display radar returns for areas from 1/8 of a mile up to a maximum of 72
nautical miles*. Using the chartplotter, the user can select what range of
radar returns will show on the screen.
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Many Garmin chartplotters can be connected to a compatible Garmin radar to
aid in navigation. Please refer to the tables below to determine which radar
modes are available and which chartplotters they are compatible with.
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