Specifying the Antenna Size
Before you can use the radar on your system, you must specify the antenna size.
1 Turn on the radar and all devices connected to the Garmin BlueNet network or the Garmin Marine Network.
An antenna-selection prompt appears on the connected chartplotters.
NOTE: If the entire system is being turned on for the first time, the antenna-selection screen is part of the
initial setup process.
2 Select the installed antenna size for each open-array radar installed on the boat.
TIP: If you need to specify a different antenna size, while viewing the radar screen for the radar you want to
change, select Options > Radar Setup > Installation > Antenna Configuration > Antenna Size, and select the
antenna size.
Measuring and Setting the Front-of-Boat Offset
The front-of-boat offset compensates for the physical orientation of the radar scanner on a boat, if the radar
scanner does not align with the bow-stern axis. The front-of-boat offset setting configured for use in one radar
mode is applied to every other radar mode and to the radar overlay.
1 Using a magnetic compass, take an optical bearing of a stationary target located within viewable range.
2 Measure the target bearing on the radar.
3 If the bearing deviation is more than +/- 1 degree, set the front-of-boat offset.
4 From a radar screen, select Options > Radar Setup > Installation > Front of Boat.
5 Select Up or Down to adjust the offset.
Setting a Custom Park Position
By default, the antenna is stopped perpendicular to the pedestal when it is not spinning. You can adjust this
position.
1 From the radar screen, select Options > Radar Setup > Installation > Antenna Configuration > Park Position.
2 Use the slider bar to adjust the position of the antenna when stopped, and select Back.
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