Furuno DD-80 - Manual (Page 97)

C-5
4. WIRING
The figure below shows the connection of cables on rear of display unit.
Ground the receiver to
prevent loss of sensitivity
and mutual interference.
CAUTION
Rear of Display Unit
Ground
External Equipment
FUSE 2A
Black Red
DATA1
DATA3
DATA4
DATA2
POWER
10.2~31.2VDC
Antenna Unit
GPA-018S GPA-017S
20cm
GPA-019S
GPS
ANT
+ –
Connection of cables on display unit
Grounding
The display unit contains several CPUs. While they are operating, they
radiate noise, which can interfere with other radio equipment. Ground the
unit as follows to prevent it.
•
The grounding wire should be 1.25sq or larger.
•
The grounding wire should be as short as possible.