Garmin 8624 MFD, GPSMAP 8624, GPSMAP 8617 MFD, GPSMAP 8622 MFD, GPSMAP 8417 MFD Installation Instructions
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GPSMAP® 8400/8600
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.
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.
Before you can update the software, you need a separate card
reader, such as a Garmin card reader or another Garmin
chartplotter with a card slot, connected to the Garmin Marine
Network.
Loading the New Software on a Memory Card
Insert a memory card into the card slot on the computer.
1
Go to www.garmin.com/support/software/marine.html.
2
Select Download next to GPSMAP Series with SD Card.
3
Read and agree to the terms.
4
Select Download.
5
Select Run.
6
Select the drive associated with the memory card, and select
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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.
1
After the home screen appears, insert the memory card into
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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.
3
Wait several minutes while the software update process
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completes.
When prompted, leave the memory card in place and restart
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the chartplotter manually.
Remove the memory card.
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NOTE: If the memory card is removed before the device
restarts fully, the software update is not complete.
Tools Needed
• Drill and drill bits
◦ 3.2 mm (1/8 in.) drill bit, if using wood screws
◦ 3.6 mm (9/64 in.) drill bit, if using the nut plate
◦ 7.2 mm (9/32 in.) drill bit, if using the nut plate
• #2 Phillips screwdriver
• Jigsaw or rotary tool
• File and sandpaper
• Marine sealant (recommended)
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 flush mount
the device in the dashboard.
When selecting a mounting location, 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
compass-safe distance value listed in the product
specifications.
• The location must allow room for the routing and connection
of all cables.
September 2016
Printed in Taiwan 190-01978-02_0C
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.
To avoid potential damage to the powder coating, use only the
included screws to mount the device. Using screws other than
the ones included will void your warranty.
Do not remove the blue, rubber protective bumper until after the
installation is complete. The bumper helps protect the device
from damage during installation.
The included template and hardware can be used to flush mount
the device in your dashboard. There are three options for
hardware based on the mounting surface material.
• You can drill pilot holes and use the included wood screws.
• You can drill holes and use the included nut plates and
machine screws. The nut plates can add stability to a thinner
surface.
• You can punch holes, tap them to M4, and use the included
machine screws.
Trim the template and make sure it fits in the location where
1
you want to mount the device.
Secure the template to the selected location.
2
Using a 3.6 mm (9/64 in.) drill bit, drill one or more of the holes
3
inside the corners of the solid line on the template to prepare
the mounting surface for cutting.
Using a jigsaw or rotary tool, cut the mounting surface along
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the inside of the solid line indicated on the template.
Place the device in the cutout to test the fit.
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If necessary, use a file and sandpaper to refine the size of
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the cutout.
After the device fits correctly in the cutout, ensure the
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mounting holes on the device line up with the larger 7.2 mm
(9/32 in.) holes on the template.
If the mounting holes on the device do not line up, mark the
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new hole locations.
Based on your mounting surface, drill or punch and tap the
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larger holes:
• Drill 3.2 mm (1/8 in.) pilot holes for the included wood
screws, and skip to step 18.
• Drill 7.2 mm (9/32 in.) holes for the included nut plate and
machine screws.
• Punch and tap M4 holes for the included machine screws,
and skip to step 18.
If using the nut plates, starting in one corner of the template,
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place a nut plate À over the larger hole Á drilled in step 9.
The smaller hole  on the nut plate should line up with the
smaller hole on the template.
If the smaller 3.6 mm (9/64 in.) hole on the nut plate does not
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line up with the smaller hole on the template, mark the new
location.
Repeat steps 10 and 11 for each nut plate.
12
Using a 3.6 mm (9/64 in.) drill bit, drill the smaller holes.
13
Remove the template from the mounting surface.
14
Starting in one corner of the mounting location, place a nut
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plate à 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.
Secure the nut plate to the mounting surface by fastening an
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included M3 screw Ä through the smaller 3.6 mm (9/64 in.)
hole.
Repeat steps 15 and 16 for each of the nut plates along the
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top and bottom of the device.
If you will not have access to the back of the device after you
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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.
Place the device into the cutout.
19
Secure the device to the mounting surface using the included
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M4 screws Å or wood screws, depending on the mounting
method.
Carefully remove and discard the rubber protective bumper.
21
Install the decorative bezel by snapping it in place around the
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edges of the device.
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.
• For easier routing, 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.
Route the power cable to the power source and to the device.
1
Connect the red wire to the positive (+) battery terminal, and
2
connect the black wire to the negative (-) battery terminal.
Install the locking ring and o-ring on the end of the power
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cable.
2
Connect the power cable to the device by turning the locking
4
ring clockwise.
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.
Item Description
À
Á
Â
Item Description
À
Á
Â
Ã
Ä
Å
Æ
Fuse
Battery
6 ft. (1.8 m) no extension
Splice
• 10 AWG (5.26 mm²) extension wire, up to 15 ft. (4.6 m)
• 8 AWG (8.36 mm²) extension wire, up to 23 ft. (7 m)
• 6 AWG (13.29 mm²) extension wire, up to 36 ft. (11 m)
Fuse
8 in. (20.3 cm)
Battery
8 in. (20.3 cm)
36 ft. (11 m) maximum extension
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 3).
• Stations are created and modified using the device software.
See the owner's manual provided with the device for more
information.
Garmin Marine Network Considerations
NOTICE
A Garmin Power over Ethernet (PoE) Isolation Coupler (P/N
010-10580-10) must be used when connecting any third-party
device, such as a FLIR® camera, to a Garmin Marine Network.
Connecting a 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.
• 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.
NMEA 2000® Considerations
NOTICE
If you are connecting this device to an existing NMEA 2000
network, the NMEA 2000 network 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 connecting this device to an existing NMEA 2000
network or engine network by another manufacturer, you should
install a NMEA 2000 Power Isolator (010-11580-00) between
the existing network and the Garmin devices.
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.
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