Eagle FishElite 642c - Mounting the Unit: Bracket or Portable

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NMEA format GPS data. The com port can also transmit NMEA format
GPS data to another device.
A data cable should contain three wires. Com-1 uses the yellow wire to
transmit, the orange wire to receive and the shield wire for signal
ground.
Com-1 wiring to receive NMEA position information
from some other GPS receiver.
Com-1 wiring to transmit NMEA position information
to another NMEA-compatible device.
Read your other product’s owner’s manual for more wiring information.
Mounting the Unit: Bracket or Portable
You can install the sonar unit on the top of a dash with the supplied
gimbal bracket. It can also be mounted on a portable power supply.
If you use the supplied bracket, you may be interested in the optional
R-A-M

bracket mounting system. This converts the unit's gimbal
bracket to a swivel mount.
Ground
To Other
Device
Orange (Receive) NMEA Transmit
Shield (Ground)
Ground
Com-1 to
unit
To Other
GPS Receiver
Com-1 to
unit
Yellow (Transmit)
NMEA Receive
Shield (Ground)