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GPS 19X HVS NMEA

INSTALLATION

INSTRUCTIONS

Important Safety Information

To avoid possible personal injury, always wear safety goggles,

ear protection, and a dust mask when drilling, cutting, or

sanding.

When drilling or cutting, always check what is on the opposite

side of the surface to avoid damaging the vessel.

NOTE: When connecting this antenna with discontinued

chartplotter models that do not display the GPS signal properly,

you must limit the update rate

Rate, page

4).

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.

For more information, go to support.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

Rate, page

4).

Mounting the Antenna

Antenna Mounting Considerations

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). You can route the cable outside of the pole or through

the pole. For best performance, consider these guidelines when

selecting the antenna mounting location.

• To ensure the best reception, the antenna should be

mounted in a location that has a clear, unobstructed view of

the sky in all directions

January 2021

0183

CAUTION

NOTICE

(Limiting the Antenna Update

CAUTION

• The antenna should not be mounted where it is shaded by

the superstructure of the boat

mast.

• The antenna should not be mounted near the engine or other

sources of Electromagnetic Interference (EMI)

• The antenna should not be mounted near known ferrous

metal objects such as a toolbox or compass.

• If a radar is present, the antenna should be mounted above

the path of the radar

. If necessary, the antenna may be

mounted below the path of the radar

• The antenna should not be mounted directly in the path of the

radar

• The antenna should not be mounted within 1 m (3 ft.) of a

VHF radio antenna or the path of a radar

Testing the Mounting Location

Temporarily secure the antenna in the preferred mounting

location and test it for correct operation.

If you experience interference with other electronics, move

the antenna to a different location, and test it again.

Repeat steps 1–2 until you observe full or acceptable signal

strength.

Permanently mount the antenna.

Surface Mounting the Antenna

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.

TA-2013/784

GUID-89C91624-E41A-4D11-B9D2-80B76A5472F8 v1

, a radome antenna, or the

NOTICE