Furuno GP-1850D - Manual (Page 7)

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SYSTEM CONFIGURATION
Ship's mains
10.8–31.2 VDC
External equipment
(Autopilot, etc.)
DGPS beacon receiver
GP-1850 only
ANTENNA UNIT
Receives signal from
GPS satellite and beacon
reference station.
(GP-1850D only)
DISPLAY UNIT
1.2 m Whip Antenna
(option)
GPA-018
(GP-1850D)
GPA-017
(GP-1850)
ANTENNA UNIT
GPA-019
(GP-1850D)