Garmin gpsmap 400 Manuale Utente

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You can connect the unit to other NMEA compatible equipment, 

such as a DSC or AIS device. Refer to the wiring diagrams on 

 for connecting the unit to NMEA compatible devices.

1.  Follow the voltage source installation steps (see

).

For Garmin units, the ground (Black) wires serve as NMEA

ground and must be attached together or on the same

terminal. Refer to the wiring diagram of your GPS unit for

wire identification.

2.  Connect the Blue (NMEA Out 1) wire from the unit to the

NMEA In wire on the NMEA unit’s wiring harness, and the

brown (NMEA In 1) wire to the NMEA Out wire on the NMEA

unit’s wiring harness.

3.  Repeat step 2 using the Grey and Violet wires for an

additional NMEA unit.

4.  Set the unit’s serial port(s) to use

(

page 30

).

The unit allows for NMEA 0183, Version 3.01 output with a 

compatible GPS or navigation device. You must set the unit’s serial 

port(s) to  

 to send data and receive data 

(

page 30

).

The SDDBT, SDDPT, SDMTW, SDVHW, SDWPL sentences are 

sent and received in NMEA 0183, Version 3.01.
You can purchase complete information about National Marine 

Electronics Association (NMEA) format and sentences from: 

NMEA 

Seven Riggs Avenue 

Severna Park, MD 21146 USA 

www.nmea.org

The unit is a CANet-compatible Garmin device, and can send or 

receive sonar information from another CANet-compatable Garmin 

device. Using the CANet optimizes the performance of CANet-

compatible units, allowing sonar information from a Sounder or 

Fishfinder to be shared with up to two CANet compatible Garmin

GPS units. A standard NMEA connection only allows depth, 

temperature, and speed information to be sent to a single GPS device, 

whereas a CANet connection provides full sonar readings, including 

Ultrascroll

™

, so you can view and control the same information on 

your compatible Garmin GPS unit(s) as you can on your compatible 

Garmin Sounder or Fishfinder.

  NOTE: To use the Garmin CANet with your unit, you must 

obtain a CANet Kit. Contact your Garmin dealer, or visit  

.