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SYSTEM CONFIGURATION
The GP-1850W/1850WD mainly consists of a display unit and a GPS antenna. A DGPS
beacon receiver is provided inside the display unit for GP-1850WD type. The mini chart
card drive in the display unit loads electronic charts. External equipment which may be
connected include an autopilot and a DGPS beacon receiver (GP-1850W).
Ship's mains
12–24 VDC
External equipment
(Autopilot, etc.)
DGPS beacon receiver
Antenna unit
Receives signal from
GPS satellite and beacon
reference station (GP-1850WD
only).
Display unit
Ship's position is
calculated in longitude
and latitude from signal
received from the an-
tenna unit and displayed
on the screen.
Antenna unit GPA-017
(GP-1850W)
Antenna unit GPA-019
(GP-1850WD)
Category of Units
Unit Category
Display unit
Antenna unit
Exposed to weather
Exposed to weather
: Option
: Local Supply
Rectifier
RP-62
Ship's mains
100/110/115/220/230 VAC
1 , 50/60 Hz