Garmin GPSMAP 7616, GPSMAP 7612, GPSMAP 7610, GPSMAP 7607, GPSMAP 7608 Installation Instructions

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GPSMAP® 7400/7600

Series

Installation Instructions

Important Safety Information

WARNING

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

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.

Select Download next to Garmin Marine Network with SD

card.

Read and agree to the terms.

Select Download.

Select Run.

Select the drive associated with the memory card, and select

Next > Finish.

Updating the Device Software

Before you can update the software, you must obtain a software-update memory card or load the latest software onto a memory card.

Turn on the chartplotter.

After the home screen appears, insert the memory card into

the card slot. NOTE: In order for the software update instructions to

appear, the device must be fully booted before the card is inserted.

Follow the on-screen instructions.

Wait several minutes while the software update process

completes. The device returns to normal operation after the software

update process is complete. Remove the memory card.

NOTE: If the memory card is removed before the device

restarts fully, the software update is not complete.

Tools Needed

• Drill and drill bits ◦ Bail mount: drill bits appropriate for the surface and

hardware

◦ Flush mount: 13 mm (1/2 in.) drill bit, 7.2 mm (5/16 in.), and

3.5 mm (1/8 in.) drill bit

• #2 Phillips screwdriver

• Jigsaw or rotary tool

• File and sandpaper

• Marine sealant (recommended)

To obtain the best performance and to avoid damage to your boat, install the device according to these instructions.

Read all installation instructions before proceeding with the installation. If you experience difficulty during the installation, contact Garmin® Product Support.

Registering Your Device

Help us better support you by completing our online registration today.

• Go to http://my.garmin.com.

• Keep the original sales receipt, or a photocopy, in a safe place.

Contacting Garmin Product Support

• Go to www.garmin.com/support for in-country support information.

• 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 device software when you install the device or add an accessory to the device.

Loading the New Software on a Memory Card

Insert a memory card into the card slot on the computer.

Go to www.garmin.com/support/software/marine.html.

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. 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.

Using the included hardware and template, you can mount the device using one of two methods. You can use the included bracket and hardware to bail mount the device, or you can use the included template and hardware to flush mount the device in the dashboard.

When selecting a mounting location, you should observe these considerations.

• The location should provide optimal viewing as you operate your boat.

• The location should allow for easy access to all device interfaces, such as the keypad, touchscreen, and card reader, if applicable.

• The location must be strong enough to support the weight of the device and protect it from excessive vibration or shock.

• To avoid interference with a magnetic compass, the device should not be installed closer to a compass than the

March 2015

Printed in Taiwan 190-01841-03_0B

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compass-safe distance value listed in the product specifications.

• The location must allow room for the routing and connection of all cables.

Bail Mounting the Device

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 any cracking in the gel-coat layer when the screws are tightened.

The bail-mounting hardware (screws and washers, or nuts, washers, and bolts) is not included. Before you can bail mount the device, you must choose mounting hardware that fits the holes in the bail mount bracket and securely attaches it to your specific mounting surface. The size of the pilot holes required depends on the mounting hardware you choose.

Using the included bail mount bracket À as a template, mark

the location of the four pilot holes Á.

After the device fits correctly in the cutout, ensure the

mounting holes on the device line up with the larger 7.2 mm (5/16 in.) holes on the template.

If the mounting holes on the device do not line up, mark the

new hole locations. Using a 7.2 mm (5/16 in.) drill bit, drill the larger holes.

Starting in one corner of the template, place a nut plate

over the larger hole Á drilled in step 9.

The smaller 3.5 mm (1/8 in.) hole Â on the nut plate should line up with the smaller hole on the template.

If the smaller 3.5 mm (1/8 in.) hole on the nut plate does not

line up with the smaller hole on the template, mark the new hole location.

Repeat steps 10 and 11 to verify placement of the remaining

nut plates and holes on the template. Using a 3.5 mm (1/8 in.) drill bit, drill the smaller holes.

Remove the template from the mounting surface.

Starting in one corner of the mounting location, place a nut

plate Ã on the back of the mounting surface, lining up the large and small holes.

The raised portion of the nut plate should fit into the larger hole.

Using a drill bit appropriate for your mounting hardware, drill

the pilot holes. Secure the bail mount bracket to the surface using your

mounting hardware Â. Install the bail mount knobs Ã on the sides of the device.

Place the device in the bail mount bracket, and tighten the

bail mount knobs.

Flush Mounting the Device

NOTICE

Be careful when cutting the hole to flush mount the device. There is only a small amount of clearance between the case and the mounting holes, and cutting the hole too large could compromise the stability of the device after it is mounted.

The included template and hardware can be used to flush mount the device in your dashboard.

Trim the template, and make sure it fits in the location where

you want to mount the device. Secure the template to the selected location.

Using a 13 mm (1/2 in.) drill bit, drill one or more of the holes

inside the corners of the solid line on the template to prepare the mounting surface for cutting.

Using a jigsaw or a rotary tool, cut the mounting surface

along the inside line on the template. Place the device in the cutout to test the fit.

If necessary, use a file and sandpaper to refine the size of

the cutout.

Secure the nut plate to the mounting surface by fastening an

included M3 screw Ä through the smaller 3.5 mm (1/8 in.) hole.

Repeat steps 15–16 to secure the remaining nut plates to the

mounting surface. Install the rubber gasket Å on the back of the device.

The pieces of the rubber gasket have adhesive on the back. Make sure you remove the protective liner before installing them on the device.

If you will not have access to the back of the device after you

mount it, connect all necessary cables to the device before placing it into the cutout.

NOTE: To prevent corrosion of the metal contacts, cover unused connectors with the attached weather caps.

Apply marine sealant between the mounting surface and the

device to properly seal and prevent leakage behind the dashboard.

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If you will have access to the back of the device, apply

marine sealant around the cutout. Place the device into the cutout.

Secure the device to the mounting surface using the included

M4 screws Æ. Wipe away all excess marine sealant.

Install the decorative bezel by snapping it in place around the

edges of the device.

Cable and Connection Considerations

NOTICE

If your model has a DVI port, a blue rubber seal is included. This seal must be installed between the DVI port and DVI cable connector to avoid damage to the connectors.

• For easer cable routing, the Garmin Marine Network cables, the power and NMEA® 0183 cables, and the transducer cable are packaged without the locking rings installed. You should route the cables before you install the locking rings.

• After connecting a locking ring to a cable, make sure the ring is securely connected and the o-ring is in place so the power or data connection remains secure.

About the Wiring Harness

• The wiring harness connects the device to power, NMEA 0183 devices, and a lamp or a horn for visible or audible alerts.

• The wiring harness is packaged without the locking ring installed. You should route the cable before you install the locking ring.

• After connecting a locking ring to the wiring harness, you should make sure the ring is securely connected and the oring is in place so the connection remains secure.

• The device has two internal NMEA 0183 ports that are used to connect to NMEA 0183 compliant devices. When connecting to a device for both transmitting and receiving, you must make sure to use wires from the same internal NMEA 0183 port.

• If it is necessary to extend the NMEA 0183 or alarm wires, you must use 22 AWG (.33 mm²) wire.

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

Route the wiring harness to the power source and to the

device. Connect the red wire to the positive (+) battery terminal, and

connect the black wire to the negative (-) battery terminal. Install the locking ring and o-ring on the end of the wiring

harness. Connect the wiring harness to the device by turning the

locking ring clockwise.

Power Cable Extensions

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

Item Description

À Á Â

Item Description

À Á

Â Ã Ä Å Æ

Fuse

Battery

1.8 m (6 ft.) without extension

Splice

• 12 AWG (3.31 mm²) extension wire, 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.)

Fuse

20.3 cm (8 in.)

Battery

20.3 cm (8 in.)

11 m (36 ft.) maximum extension

Additional Grounding Consideration

This consideration is applicable only to devices that have a grounding screw. Not all models have a grounding screw.

This device should not need additional chassis grounding in most installation situations. If you experience interference, the grounding screw on the housing can be used to connect the device to the water ground of the boat to help avoid the interference.

Item Wire Color Wire Function

Red Power

Black Ground (power and NMEA 0183)

Blue NMEA 0183 internal port 1 Tx (out)

Brown NMEA 0183 internal port 1 Rx (in)

Gray NMEA 0183 internal port 2 Tx (out)

Violet NMEA 0183 internal port 2 Rx (in)

Orange Accessory on

Yellow Alarm low

Connecting the Wiring Harness to Power

WARNING

Garmin Marine Network Considerations

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.

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

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◦ 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.

NMEA 2000® Considerations

NOTICE

If you have an existing NMEA 2000 network on your boat, it should already be connected to power. Do not connect the NMEA 2000 power cable to an existing NMEA 2000 network, because only one power source should be connected to a NMEA 2000 network.

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.

If you are unfamiliar with NMEA 2000, you should read the “NMEA 2000 Network Fundamentals” chapter of the Technical Reference for NMEA 2000 Products. You can find this document using the “Manuals” link on the product page for your device at

www.garmin.com.

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

• When connecting NMEA 0183 devices with two transmitting and two receiving wires, it is not necessary for the NMEA 2000 bus and the NMEA 0183 device to connect to a common ground.

• When connecting a NMEA 0183 device with only one transmitting (Tx) wire or with only one receiving (Rx) wire, the NMEA 2000 bus and the NMEA 0183 device must be connected to a common ground.

NMEA 0183 Connection Diagram

Item Description

À Á Â

Item Garmin Wire

Ê Ë Ì Í

12 Vdc power source

Wiring harness

NMEA 0183-compliant device

Function

Power Red Power

Ground Black Data ground

Tx Blue Rx/A (+)

Rx Brown Tx/A (+)

Garmin Wire Color

NMEA 0183 Device Wire Function

Lamp or Horn Connections

The device can be used with a lamp, a horn, or both, to sound or flash an alert when the chartplotter displays a message. This is optional, and the alarm wire is not necessary for the device to function normally. When connecting the device to a lamp or horn, observe these considerations.

• The alarm circuit switches to a low-voltage state when the alarm sounds.

• The maximum current is 100 mA, and a relay is needed to limit the current from the chartplotter to 100 mA.

• To manually toggle visual and audible alerts, you can install single-pole, single-throw switches.

Item Description

À Á Â Ã Ä Å Æ Ç È

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 installation instructions provided with your NMEA 0183 compatible device should contain the information you need to identify the transmitting (Tx) and receiving (Rx) A (+) and B (-) wires.

Item Description

Power source

Power cable

Horn

Lamp

Relay (100 mA coil current)

Toggle switches to enable and disable lamp or horn alerts

Item Wire Color Wire Function

Ê Ë Ì

Red Power

Black Ground

Yellow Alarm

Video Input and Output Considerations

This device allows video input from composite video sources and video output to a monitor, depending on the model. When

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connecting video input and output sources, observe these considerations.

• The chartplotter may have one composite-video input port labeled CVBS IN or two composite-video input ports labeled VIDEO 1 and VIDEO 2.

◦ The composite-video ports use BNC connectors. You can

use a BNC to RCA adapter to connect a composite-video source with RCA connectors to these ports.

◦ The video from sources connected to these ports is

available only for display on the device or on an additional monitor connected to the device. Composite video is not shared across the Garmin Marine Network or NMEA 2000 network.

• The chartplotter may have one DVI-D video output port. You can connect a DVI-D or DVI-I cable to the port to view a mirror image of the screen on a computer monitor or HD TV.

◦ If your device includes a DVI cable connector, a rubber

gasket is included. This gasket must be installed between the DVI port and cable connector to avoid damage to the connector.

◦ If needed, you can use a DVI-D to HDMI® adapter to

connect to an HD TV or other HDMI compatible display.

◦ Although it is recommended to use DVI cables sold by

Garmin, high-quality third-party DVI cables may be used. You should test the DVI cable by connecting the devices before routing the cable.

Specifications

Physical Specifications

Device Specification Measurement

All models Temperature range From -15° to 55°C (5° to

Material Die-cast aluminum and

Water rating* IEC 60529 IPX7

Seven-inch models

Eight-inch models

Ten-inch models

Twelve-inch models

Dimensions (W × H × D)222 × 142 × 66 mm (8.75 ×

Display size (W × H) 155 × 86 mm (6.1 × 3.4 in.)

Weight 1.13 kg (2.5 lbs)

Dimensions (W × H × D)244 × 160 × 76 mm (9.6 ×

Display size (W × H) 178 × 102 mm (7.0 × 4.0 in.)

Weight 1.41 kg (3.1 lbs)

Dimensions (W × H × D)290 × 206 × 79 mm (11.4 ×

Display size (W × H) 218 × 135 mm (8.6 × 5.3 in.)

Weight 2.36 kg (5.2 lbs)

Dimensions (W × H × D)330 × 226 × 79 mm (13.0 ×

Display size (W × H) 262 × 163 mm (10.3 ×

Weight 2.72 kg (6.0 lbs)

131°F)

polycarbonate plastic

5.6 × 2.6 in.)

6.3 × 3.0 in.)

8.1 × 3.1 in.)

8.9 × 3.1 in.)

6.4 in.)

Device Specification Measurement

Sixteen-inch models

Dimensions (W × H × D)426 × 275 × 88 mm (16.76 ×

10.81 × 3.45 in.)

Display size (W × H) 344 × 193 mm (13.55 ×

7.62 in.)

Weight 4.3 kg (9.5 lbs)

*The device withstands incidental exposure to water of up to 1 m for up to 30 min. For more information, go to www.garmin.com

/waterrating.

Electrical Specifications

Device Specification Measurement

All models Input power From 10 to 32 Vdc

NMEA 2000 LEN 2

NMEA 2000 Draw 75 mA max.

Seven-inch models Max. power usage at

Eight-inch models Max. power usage at

Ten-inch models Max. power usage at

Twelve-inch models

Sixteen-inch models

10 Vdc