Garmin GPSMAP 2108 Fish Finder User Manual


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GPSMAP
®
2008/2108 Owner’s Manual 39
in s Ta l l i n g Th e Un i T
MARPA Targeting
Target
options
MARPA
object
targeted
Open MARPA
target information
window
MARPA target
lost
NOTE: When using GPSMAP 2108, please
useGSD21ORGSD22asSonaroptions.
GPSMAP 2108 is capable of using Garmin
network but NOT CANet. Either sonar or radar
information can be shown at the time when using
GSD21.BothinformationcanNOTbeshown
simultaneously.
NOTE: WhenusingGSD21,pleasewireto
the NMEA 1 In/Out port of the GPSMAP 2008
/2108.GSD22shouldbewiredtoCANet
(GPSMAP2008).GSD22shouldbehookedto
the network port (GPSMAP 2108). When using
Garmin Radar and sonar modules, you will need
a network expander GMS10.
in s T a l l i n G Th e Un i T
Install the Wiring Harness
The unit comes with a wiring harness that connects
the unit to power and the transducer with one easy-to-
remove connection and provides interface capabilities
for connecting external devices.
The color code in the diagram (see page 41 for
GPSMAP2008/2108) indicates the appropriate
harness connections. The replacement fuse is a
AGC/ 3AG - 3 Amp fuse. If it is necessary to extend
thepowerwires,use22AWGwire.DONOTcutthe
transducer cable, because this voids your warranty.
You can wire the unit directly to the battery. If your
boat has an electrical system, you might be able to
wire the unit directly to an unused holder on your
current fuse block. If you are using the boat’s fuse
block, remove the in-line fuse holder supplied with
the unit.
CAUTION: The maximum unit input voltage is
35VoltsDC.Donotexceedthisvoltage,because
this can damage the unit and void the warranty.
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