Garmin NMEA 0183 Installation Instructions Manual
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Garmin NMEA 0183 Installation Instructions Manual

Garmin NMEA 0183 Installation Instructions Manual

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GPS 24XD HVS NMEA
0183
®
INSTALLATION INSTRUCTIONS
Important Safety Information
CAUTION
To avoid possible personal injury, always wear safety goggles, ear protection, and a dust mask when drilling,
cutting, or sanding.
NOTICE
When drilling or cutting, always check what is on the opposite side of the surface to avoid damaging the vessel.
For the best performance and to avoid damage to your boat, read all installation instructions before
proceeding. Install the device per these instructions. Use the appropriate fasteners, tools, and mounts listed,
which are available at most marine dealers.
The Garmin
GPS 24xd HVS (NMEA 0183) high-sensitivity GPS antenna provides position information over
®
NMEA 0183. The GPS 24xd can be connected to a Garmin chartplotter or another NMEA 0183 compliant
device.
For more information, go to garmin.com.
Tools Needed
• Drill
• 3.2 mm (1/8 in.) drill bit
• 19 mm (3/4 in.) drill bit for a pole-mount cable-hole
• 25 mm (1 in.) hole saw for a surface-mount cable-hole
• Countersink bit for mounting on fiberglass
• Screws for under-deck mounting
• Screwdriver, appropriate for the screw type
• Marine sealant (optional)
• Solder and shrink wrap for all wiring connections when limiting the antenna to 1 Hz
(Limiting the Antenna
Update Rate, page
14).
TA-2020/6796
June 2021
GUID-04C0F16F-F9A7-4EAC-96FC-C8DF7618E2D8 v3

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  • Page 1 The Garmin GPS 24xd HVS (NMEA 0183) high-sensitivity GPS antenna provides position information over ® NMEA 0183. The GPS 24xd can be connected to a Garmin chartplotter or another NMEA 0183 compliant device. For more information, go to garmin.com. Tools Needed •...

  • Page 2: Mounting The Antenna

    Mounting the Antenna Antenna Mounting Considerations CAUTION Do not install or store the antenna near strong magnets, including speakers. A strong magnetic field can damage the antenna. You can mount the antenna on a flat surface or attach it to a standard 1 in. OD, 14 threads per inch, pipe- threaded pole (not included).

  • Page 3: Testing The Mounting Location

    Testing the Mounting Location 1 Temporarily secure the antenna in the preferred mounting location and test it for correct operation. 2 If you experience interference with other electronics, move the antenna to a different location, and test it again. 3 Repeat steps 1–2 until you observe full or acceptable signal strength. 4 Permanently mount the antenna.

  • Page 4: Surface Mounting The Antenna

    Surface Mounting the Antenna NOTICE If you are mounting the bracket on fiberglass with screws, it is recommended to use a countersink bit to drill a clearance counterbore through only the top gel-coat layer. This will help to avoid cracking in the gel-coat layer when the screws are tightened.
  • Page 5 Mounting the Antenna on a Pole Mounting the Antenna with the Cable Routed Outside the Pole Before you permanently mount the antenna, you must test the mounting location for correct operation (Testing the Mounting Location, page 1 Route the cable through the pole-mount adapter , and place the cable in the vertical slot along the base of the pole-mount adapter.
  • Page 6 Mounting the Antenna with the Cable Routed Through the Pole Before you permanently mount the antenna, you must test the mounting location for correct operation (Testing the Mounting Location, page 1 Position a standard 1 in. OD, 14 threads per inch, pipe-threaded pole (not included) in the selected location, and mark the approximate center of the pole.
  • Page 7 Mounting the Antenna Under a Surface NOTICE Verify that the supplied screws will not penetrate the surface before you install the under-deck mounting bracket. If the supplied screws are too long, use surface-appropriate screws instead. Because the antenna cannot acquire signals through metal, it must be mounted under a fiberglass surface only. 1 Determine and test the location under a fiberglass surface where you want to mount the antenna (Testing the Mounting Location, page...

  • Page 8: Connecting The Antenna

    Power and NMEA 0183 Wiring The antenna must be connected to power and to a NMEA 0183 compliant device. The diagrams show how to correctly wire the antenna. You can connect up to three NMEA 0183 compliant devices to receive data from one antenna.
  • Page 9 Pin 2 Pin 8 Connection from the Antenna to a Garmin Chartplotter (Single-Ended) Item Description Antenna 1 A fuse Power source Garmin NMEA 0183 compatible chartplotter GPS 24xd wire Color GPS 24xd wire function Chartplotter wire Power (1 A fuse)
  • Page 10 NMEA 0183 Wiring for Two-Way Communication Item Description Antenna 1 Amp fuse Power source Garmin NMEA 0183 compatible chartplotter GPS 24xd wire Color Chartplotter wire Chartplotter wire function Power (+) Black Ground (-) White/orange Tx/B (Out -) White Tx/A (Out +)
  • Page 11 • If your NMEA 0183 compliant device has only one receiving wire (Rx), connect it to the gray wire (Tx/A (Out +)) from the antenna, and leave the white/red wire (Tx/B (Out -)) from the antenna unconnected.
  • Page 12 If you cannot view heading data on your connected display, check the power connections and the display's NMEA 0183 settings. When performing basic calibration, you first calibrate the compass and then align the heading in one continuous procedure.
  • Page 13 8 Select an option. • If you want to align the heading to match the front of the boat, proceed to the next step. • If you do not want to align the heading, stop turning and wait, keeping the boat stationary. Over the next two minutes the heading data should disappear and then reappear.

  • Page 14: Cleaning The Outer Casing

    1 Clean the outer casing of the device using a cloth dampened with a mild detergent solution. 2 Wipe the device dry. Appendix Software Update You must update the Garmin chartplotter software when you install this device. For instructions on updating the software, see your chartplotter owner's manual at support.garmin.com. Specifications Dimensions (diameter x height) ×...

  • Page 15: Nmea 0183 Information

    Device information control Declaration of Conformity Hereby, Garmin declares that this product is in compliance with the Directive 2014/53/EU. The full text of the EU declaration of conformity is available at the following internet address: garmin.com/compliance. UK Declaration of Conformity Hereby, Garmin declares that this product is in compliance with the relevant statutory requirements.

  • Page 16: Limited Warranty

    This product does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center. Unauthorized repairs or modifications could result in permanent damage to the equipment, and void your warranty and your authority to operate this device under Part 15 regulations.
  • Page 17 © 2020 Garmin Ltd. or its subsidiaries Garmin ® and the Garmin logo are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. These trademarks may not be used without the express permission of Garmin. NMEA ®...
  • Page 18 © 2020 Garmin Ltd. or its subsidiaries support.garmin.com...

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