Garmin GHP 20 System for Yamaha Helm Master Instalační manuál stáhnout pdf (Strana 10)

10 GHP 20 Installation Instructions





Notice

You must connect the included NMEA 2000 power cable to the boat

ignition switch, or through another in-line switch. The GHC 20 will

drain your battery if the NMEA 2000 power cable is connected to the

battery directly.

1. Connect the three T-connectors

➊

together by their sides.

➊

➋

➎

➏

➐

➑

➍

➌

2. Connect included NMEA 2000 power cable

➋

to a 12 Vdc power

source

➌

through a switch.

Connect to the ignition switch

➍

of the boat if possible, or through

an in-line switch (not included).

3. Connect the NMEA 2000 power cable to one of the T-connectors.

4. Connect one of the included NMEA 2000 drop cables

➎

to one of

the T-connectors and to the GHC 20

➏

5. Connect the other included NMEA 2000 drop cable to the other

T-connector and to the CCU

➐

6. Connect the male and female terminators

➑

to each end of the

combined T-connectors.





To use advanced features of the GHP 20, an optional NMEA

2000-compatible or NMEA 0183-compatible GPS device can be

connected to the NMEA 2000 network or to the GHC 20 through

NMEA 0183.



• To identify the Transfer (Tx) A(+) and B(-) wires for your NMEA

0183-compatible device, consult the installation instructions for

your device.

• When connecting NMEA 0183 devices with two transmitting and

two receiving lines, 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) line or with only one receiving (Rx) line, the NMEA 2000

bus and the NMEA 0183 device must be connected to a common

ground.





1. Determine the NMEA 0183 connection assignments of your NMEA

0183-compatible device.

2. Connect your NMEA 0183-compatible device to the GHC 20, based

on the table below.

 

Blue Tx/A (+)

White Tx/B (-)

Brown Rx/A (+)

Green Rx/B (-)

Three examples of various connection situations are provided in the

appendix (page 14).

3. If necessary, use 22 AWG (.33 mm

) twisted-pair wire for extended

runs of wire.

4. Solder and cover all bare-wire connections.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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Garmin GHP 20 System for Yamaha Helm Master Instalační manuál Strana 10

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