Garmin GPS 24xd Receiver and Antenna Installation Instructions - Page 11

Disabling the Magnetic Heading Data, Antenna Configuration, Cleaning the Outer Casing - gps nmea 2000 position receiver and antenna

Page 11 highlights

Disabling the Magnetic Heading Data If you cannot mount the antenna in an ideal location for magnetic heading and GPS performance, you can disable the magnetic heading data. 1 Drive the boat to a location with calm, open water. 2 Set the display to view heading data from the antenna. 3 Disconnect the antenna from the NMEA 2000 network or turn off the power to the NMEA 2000 network. 4 Wait while the boat becomes level and stationary. 5 Turn on power to the antenna, and wait until the heading data appears on the display . 6 Within three minutes, complete two full, slow, tight circles , taking care to keep the boat as steady and level as possible. Heading data disappears to indicate that the antenna has detected the start of the procedure . You may receive an error message that the heading was lost. You can ignore this message. 7 Bring the boat to a complete stop , and remain stationary for two minutes. After two minutes, the heading data reappears with a fixed value of 123 degrees to indicate heading will be disabled on the next power cycle. NOTE: If the magnetic heading is displayed, the fixed value is 123 degrees. If the true heading is displayed, the fixed value may deviate because of corrections from magnetic variation. 8 Disconnect the antenna from the NMEA 2000 network or turn off the power to the NMEA 2000 network. 9 Turn on power to the antenna, and verify that heading has been disabled . Antenna Configuration Your antenna is pre-configured, but you may customize your antenna configuration as needed. From the NMEA 2000 device list, select the GPS 24xd, and select Review. Auto Locate: Allows you to clear existing satellite data and force the antenna to acquire new data. This option is only available when the antenna has no position fix. Factory Defaults: Allows you to reset the antenna settings to the factory default value. You will lose all custom configuration settings. Cleaning the Outer Casing NOTICE Avoid chemical cleaners and solvents that can damage plastic components. 1 Clean the outer casing of the device using a cloth dampened with a mild detergent solution. 2 Wipe the device dry. 11

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Disabling the Magnetic Heading Data
If you cannot mount the antenna in an ideal location for magnetic heading and GPS performance, you can
disable the magnetic heading data.
1
Drive the boat to a location with calm, open water.
2
Set the display to view heading data from the antenna.
3
Disconnect the antenna from the NMEA 2000 network or turn off the power to the NMEA 2000 network.
4
Wait while the boat becomes level and stationary.
5
Turn on power to the antenna, and wait until the heading data appears on the display
.
6
Within three minutes, complete two full, slow, tight circles
, taking care to keep the boat as steady and
level as possible.
Heading data disappears to indicate that the antenna has detected the start of the procedure
.
You may receive an error message that the heading was lost. You can ignore this message.
7
Bring the boat to a complete stop
, and remain stationary for two minutes.
After two minutes, the heading data reappears with a fixed value of 123 degrees
to indicate heading will
be disabled on the next power cycle.
NOTE:
If the magnetic heading is displayed, the fixed value is 123 degrees. If the true heading is displayed,
the fixed value may deviate because of corrections from magnetic variation.
8
Disconnect the antenna from the NMEA 2000 network or turn off the power to the NMEA 2000 network.
9
Turn on power to the antenna, and verify that heading has been disabled
.
Antenna Configuration
Your antenna is pre-configured, but you may customize your antenna configuration as needed. From the NMEA
2000 device list, select the GPS 24xd, and select Review.
Auto Locate
: Allows you to clear existing satellite data and force the antenna to acquire new data. This option is
only available when the antenna has no position fix.
Factory Defaults
: Allows you to reset the antenna settings to the factory default value. You will lose all custom
configuration settings.
Cleaning the Outer Casing
NOTICE
Avoid chemical cleaners and solvents that can damage plastic components.
1
Clean the outer casing of the device using a cloth dampened with a mild detergent solution.
2
Wipe the device dry.
11