Garmin GPSMAP 8700 Manuel utilisateur

GPSMAP®8700

INSTALLATION INSTRUCTIONS

Important Safety Information

WARNING

Failure to follow these warnings, cautions, and notices could result in personal injury, damage to the vessel or

device, or poor product performance.

See the Important Safety and Product Information guide in the product box for product warnings and other

important information.

When connecting the power cable, do not remove the in-line fuse holder. To prevent the possibility of injury or

product damage caused by fire or overheating, the appropriate fuse must be in place as indicated in the product

specifications. In addition, connecting the power cable without the appropriate fuse in place voids the product

warranty.

CAUTION

To avoid possible personal injury, always wear safety goggles, ear protection, and a dust mask when drilling,

cutting, or sanding.

To avoid possible personal injury or damage to the device and vessel, disconnect the vessel's power supply

before beginning to install the device.

To avoid possible personal injury or damage to the device or vessel, before applying power to the device, make

sure that it has been properly grounded, following the instructions in the guide.

To avoid possible personal injury or damage to this device and vessel, only install this device when the vessel is

on land, or when properly secured and docked in calm water conditions.

NOTICE

For the best possible performance, the device must be installed according to these instructions.

When drilling or cutting, always check what is on the opposite side of the surface to avoid damaging the vessel.

Read all installation instructions before proceeding with the installation. If you experience difficulty during the

installation, contact Garmin® Product Support.

Contacting Garmin Support

• Go to support.garmin.com for help and information, such as product manuals, frequently asked questions,

videos, and customer support.

• In the USA, call 913-397-8200 or 1-800-800-1020.

• In the UK, call 0808 238 0000.

• In Europe, call +44 (0) 870 850 1241.

Software Update

You may need to update the chartplotter software after installation. For the instructions on how to update the

software, see the owner's manual at garmin.com/manuals/GPSMAP8700.

GUID-0E7D71DD-265C-4A81-9C9D-474AAB4BB516 v3April 2022

Connector View

POWER Power cable connection

NETWORK Garmin Marine Network

HDMI IN HDMI® in

HDMI OUT HDMI out to connect the chartplotter to a monitor. Required for device functionality.

CVBS IN Composite video in

Status LED

Power ground

Power button

NMEA 0183 NMEA® 0183 and audio out

USB HOST Micro-USB output for connecting a touchscreen monitor

USB OTG Micro-USB input from compatible Garmin card reader1, computer, or other supported USB

accessory

NMEA 2000 NMEA 2000® network

J1939 J1939 network

Tools Needed

• Drill

• Drill bits appropriate for the surface and hardware (3.2 mm (1/8 in.) drill bit for included screws)

• Phillips screwdriver

• Pencil

1 Only compatible Garmin card readers recommended. Third-party card readers are not guaranteed to be fully compatible.

Mounting Considerations

NOTICE

This device should be mounted in a location that is not exposed to extreme temperatures or conditions. The

temperature range for this device is listed in the product specifications (Specifications, page 18). Extended

exposure to temperatures exceeding the specified temperature range, in storage or operating conditions, may

cause device failure. Extreme-temperature-induced damage and related consequences are not covered by the

warranty.

• You must mount the device in a location where it will not be submerged.

• You must mount the device in a location with adequate ventilation where it will not be exposed to extreme

temperatures.

• You must mount the device at least 2.54 cm (1 in.) from cables and other potential sources of interference.

• You must mount the device in a location that allows room for the routing and connection of all cables.

Mounting the GPSMAP 8700 Black Box Device

NOTICE

If you are mounting the device in fiberglass, when drilling the pilot holes, 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.

NOTE: Screws are included with the device, but they may not be suitable for the mounting surface.

Before you mount the device, you must select a mounting location, and determine what screws and other

mounting hardware are needed for the surface.

1Place the black box device in the mounting location, and mark the location of the pilot holes.

2Drill a pilot hole for one corner of the device.

3Loosely fasten the device to the mounting surface with one corner, and examine the other three pilot-hole

marks.

4Mark new pilot-hole locations if necessary, and remove the device from the mounting surface.

5Drill the remaining pilot holes.

6Secure the device to the mounting location.

Connection Considerations

When connecting this device to power and to other Garmin devices, you should observe these considerations.

• The power and ground connections to the battery must be checked to make sure they are secured and

cannot become loose.

• The cables may be packaged without the locking rings installed. The cables should be routed before the

locking rings are installed.

• After installing a locking ring on a cable, you should make sure the ring is securely connected and the o-ring

is in place so the power or data connection remains secure.

Connecting to Power

WARNING

When connecting the power cable, do not remove the in-line fuse holder. To prevent the possibility of injury or

product damage caused by fire or overheating, the appropriate fuse must be in place as indicated in the product

specifications. In addition, connecting the power cable without the appropriate fuse in place voids the product

warranty.

You should connect the red wire to the power source through the ignition or another manual switch to turn the

device on and off.

1Route the power cable between the power source and the device.

2Connect the red power wire to the ignition or another manual switch, and connect the switch to the positive

(+) battery terminal if necessary.

3Connect the black wire to the negative (-) battery terminal or to ground.

4Connect the power cable to the device, and turn the locking ring clockwise to tighten it.

Additional Grounding Consideration

This device should not need additional chassis grounding in most installation situations. If you experience

interference, you can use the grounding screw on the housing to connect the device to the water ground of the

boat to help avoid the interference.

Power Cable Extensions

If necessary, the power cable can be extended using the appropriate wire gauge for the length of the extension.

Splice

• Up to 4.6 m (15 ft.): 10 AWG (5.26 mm2) extension wire

• Up to 7 m (23 ft.): 8 AWG (8.36 mm2) extension wire

• Up to 11 m (36 ft.): 6 AWG (13.29 mm2) extension wire

Fuse (10 A, 42 V fast-acting)

20.3 cm (8 in.)

Battery

20.3 cm (8 in.)

11 m (36 ft.) maximum extension

Power Considerations

While you can turn the device on and off using the power key, the device will likely not be easily accessible to do

so. You should consider connecting a switch or one of the following to turn the GPSMAP 8700 device on and

off:

• A GRID™ device

NOTE: A GRID 20 device will not turn the GPSMAP 8700 device on or off. Using the power key on the GRID 20

device will place the GPSMAP 8700 device into sleep mode.

• Another Garmin chartplotter

• A GMM™ monitor

When power is applied to the GPSMAP 8700 device, the device will turn on. You cannot disable the auto power

on feature.

Garmin Marine Network Considerations

NOTICE

A Garmin Marine Network PoE Isolation Coupler (010-10580-10) must be used when connecting any third-party

device, such as a FLIR® camera, to a Garmin Marine Network. Connecting a Power over Ethernet (PoE) device

directly to a Garmin Marine Network chartplotter damages the Garmin chartplotter and may damage the PoE

device. Connecting any third-party device directly to a Garmin Marine Network chartplotter will cause abnormal

behavior on the Garmin devices, including the devices not properly turning off or the software becoming

inoperable.

This device can connect to additional Garmin Marine Network devices to share data such as radar, sonar, and

detailed mapping. When connecting Garmin Marine Network devices to this device, observe these

considerations.

• All devices connected to the Garmin Marine Network must be connected to the same ground. If multiple

power sources are used for Garmin Marine Network devices, you must tie all ground connections from all

power supplies together using a low resistance connection or tie them to a common ground bus bar, if

available.

• A Garmin Marine Network cable must be used for all Garmin Marine Network connections.

◦Third-party CAT5 cable and RJ45 connectors must not be used for Garmin Marine Network connections.

◦Additional Garmin Marine Network cables and connectors are available from your Garmin dealer.

• The NETWORK ports on the device each act as a network switch. Any compatible device can be connected to

any NETWORK port to share data with all devices on the boat connected by a Garmin Marine Network cable.

Station Connection Considerations

This device can be set up in conjunction with other compatible Garmin devices to work together as a station.

When planning stations on your boat, observe these considerations.

• Devices earlier than the GPSMAP 8000 series and GPSMAP 8500 series cannot be used in a station.

• Although it is not necessary, it is recommended that you install all of the devices you plan to use in one

station near each other.

• No special connections are necessary to create a station, as long as all of the devices are connected to the

Garmin Marine Network (Garmin Marine Network Considerations, page 5).

• Stations are created and modified using the device software. See the owner's manual provided with the

device for more information.

GMM Monitor Connection Considerations

You can use a GMM monitor to view and control the GPSMAP 8700. When connecting a GMM monitor to the

GPSMAP 8700 device, you must observe these considerations.

• The touchscreen functionality of the GMM monitor can be used to control one GPSMAP 8700 device.

• Although it is recommended to use Garmin DVI-D cables, high-quality third-party DVI-D cables may be used.

Before you route a DVI-D cable, you should connect all devices to it for testing.

• You must use an HDMI to DVI-D cable or adapter.

• You must connect the GMM monitor to the same power source as the GPSMAP 8700 device. If this is not

possible, you must connect the devices to the same ground.

• You must connect the GMM monitor to a NETWORK port on the GPSMAP 8700 device or to the same Garmin

Marine Network as the GPSMAP 8700 device.

• The touch data is sent over the Garmin Marine Network.

Devices

Item Device

GPSMAP chartplotter

GMM touchscreen monitor

Connections

From To Cable

Chartplotter's HDMI OUT port GMM monitor's MAIN DVI VIDEO IN port

DVI-D cable with an HDMI

adapter

GMM monitor's GARMIN

PROCESSOR BOX port

Chartplotter's NETWORK port or the

Garmin Marine Network

Cable

NMEA 2000 Considerations

NOTICE

If you are connecting to an existing NMEA 2000 network, identify the NMEA 2000 power cable. Only one NMEA

2000 power cable is required for the NMEA 2000 network to operate properly.

A NMEA 2000 Power Isolator (010-11580-00) should be used in installations where the existing NMEA 2000

network manufacturer is unknown.

If you are installing a NMEA 2000 power cable, you must connect it to the boat ignition switch or through

another in-line switch. NMEA 2000 devices will drain your battery if the NMEA 2000 power cable is connected to

the battery directly.

This device can connect to a NMEA 2000 network on your boat to share data from NMEA 2000 compatible

devices such as a GPS antenna or a VHF radio. The included NMEA 2000 cables and connectors allow you to

connect the device to your existing NMEA 2000 network. If you do not have an existing NMEA 2000 network you

can create a basic one using cables from Garmin.

This device is not powered through the NMEA 2000 network. You must connect the device to a power source

(Connecting to Power, page 4).

If you are unfamiliar with NMEA 2000, you should read the Technical Reference for NMEA 2000 Products at

garmin.com/manuals/nmea_2000.

The port labeled NMEA 2000 is used to connect the device to a standard NMEA 2000 network.

Item Description

NMEA 2000 compatible Garmin device

GPS antenna

Ignition or in-line switch

NMEA 2000 power cable

NMEA 2000 drop cable

12 Vdc power source

NMEA 2000 terminator or backbone cable

NMEA 2000 T-connector

NMEA 2000 terminator or backbone cable

NMEA 0183 Connection Considerations

• The chartplotter provides one Tx (transmit) port and one Rx (receive) port.

• Each port has 2 wires, labeled A and B according to the NMEA 0183 convention. The corresponding A and B

wires of each internal port should be connected to the A (+) and B (-) wires of the NMEA 0183 device.

• You can connect one NMEA 0183 device to the Rx port to input data to this chartplotter, and you can connect

up to three NMEA 0183 devices in parallel to the Tx port to receive data output by this chartplotter.

• See the NMEA 0183 device installation instructions to identify the transmit (Tx) and receive (Rx) wires.

• You must use 28 AWG, shielded, twisted-pair wiring for extended runs of wire. Solder all connections and seal

them with heat-shrink tubing.

• Do not connect the NMEA 0183 data wires from this device to power ground.

• The power cable from the chartplotter and the NMEA 0183 devices must be connected to a common power

ground.

• The internal NMEA 0183 ports and communication protocols are configured on the chartplotter. See the

NMEA 0183 section of the chartplotter owner's manual for more information.

• See the chartplotter owner's manual for a list of the approved NMEA 0183 sentences that the chartplotter

supports.

NMEA 0183 Device Connections

This diagram illustrates two-way connections for both sending and receiving data. You can also use this

diagram for one-way communication. To receive information from a NMEA 0183 device, refer to items , ,

, , and when connecting the Garmin device. To transmit information to a NMEA 0183 device, refer to

items , , , , and when connecting the Garmin device.

Item Description

Power source

Power cable

NMEA 0183 device

NMEA 0183 cable

Item Garmin Wire Function Garmin Wire Color NMEA 0183 Device Wire

Function

Power Red Power

Power ground Black Power ground

Data ground Black Data ground

Rx/A (In +) White/orange Tx/A (Out +)

Rx/B (In -) White Tx/B (Out -)

Tx/A (Out +) Gray Rx/A (In +)

Tx/B (Out -) Pink Rx/B (In -)

If the NMEA 0183 device has only one input (receive, Rx) wire (no A, B, +, or -), you must leave the pink wire

unconnected.

If the NMEA 0183 device has only one output (transmit, Tx) wire (no A, B, +, or -), you must connect the white/

orange wire to ground.

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