* I M E 4 3 9 4 0 M 0 0 ** I M E 4 3 9 4 0 M 0 0 *
SAFETY INSTRUCTIONS
Safety Instructions for the Installer
WARNING
Do not work inside the
equipment unless totally
familiar with electrical
circuits.
Hazardous voltage which can
shock, burn or cause serious
injury exists inside the equipment.
Turn off the power at the
mains switchboard before
beginning the installation.
Post a sign near the switch
to indicate it should not be
turned on while the equipment is being installed.
Fire, electrical shock or
serious injury can result if the
power is left on or is applied
while the equipment is being
installed.
Receives signal from
GPS satellite and beacon
reference station (GP-1650D
only).
System Configuration
The GP-1650/1650D mainly consists of a display unit and a GPS
antenna. A DGPS beacon receiver is provided inside the display unit
for GP-1650D type. The chart card drive in the display unit loads
electronic charts. External equipment which may be connected include an autopilot and a DGPS beacon receiver.
GPA-018
(for GP-1650D)
GPA-019
(for GP-1650D)
DISPLAY UNIT
Ship’s position is
calculated in longitude
and latitude from signal
received from the antenna unit and displayed
on the screen.
Ship’s mains
10.8—31.2 VDC
External equipment
(Autopilot, etc.)
DGPS beacon receiver
GP-1650 only
1
1. Installation of Standard Equipment
1.1 Installation of Display Unit
Mounting considerations
The display unit can be installed on a tabletop, on the overhead or
flush mounted in a console or panel.
Figure 1-1 Tabletop, overhead mounting methods
OverheadTabletopHard Cover
When selecting a mounting location for the display unit keep the following in mind:
• Keep the display unit out of direct sunlight.
• The temperature and humidity should be moderate and stable.
• Locate the unit away from exhaust pipes and vents.
• The mounting location should be well ventilated.
• Mount the unit where shock and vibration are minimal.
• Keep the unit away electromagnetic field generating equipment
such as motor, generator.
• For maintenance and checking purposes, leave sufficient space at
the sides and rear of the unit and leave slack in cables.
• A magnetic compass will be affected if placed too close to the
display unit. Observe the following compass safe distances to prevent disturbance to the magnetic compass:
Standard compass: 0.82 meters
Steering compass: 0.62 meters
2
Mounting procedure
BA
Follow the procedure below to mount the display unit on a tabletop
or the overhead.
Tabletop, overhead mounting
1. Fix the hanger by four pan head screws M5 X 16.
2. Screw knob bolts in display unit, set it to hanger, and tighten
knob bolts.
3. Attach hard cover to protect LCD.
WARNING
Figure 1-2 Tabletop, overhead mounting of display unit
Flush mounting
Note: Use supplied pan head screws when the thickness of the bulkhead is from 11 to 14 mm. For bulkhead which exceeds 14 mm in
thickness the length of the pan head screws should be bulkhead thickness+7.8±1.5 mm. Also the length of B should max. 8mm.
1. Prepare a cutout in the mounting location whose dimensions are
as shown in Figure 1-3.
2. Fix the display unit by six pan head screws M4 X 20. Refer to the
outline drawing on page D-2.
3
6-R2.25
Center pin (soldered)
Clamp nut
Connector shell
Gasket (reddish brown)Washer
Shield
Pan head screws
132±0.5
Flush mount
125±1
Figure 1-3 Flush mounting of display unit
1.2 Installation of Antenna Unit
Mounting considerations
Install the antenna unit referring to the installation diagram on page
D-3 or D-4. When selecting a mounting location for the antenna unit,
keep in mind the following points:
216±1
164±0.5
4.5
• Select a location out of the radar beam. The radar beam will obstruct or prevent reception of the GPS satellite signal.
• The location should be well away from a VHF antenna. A GPS
receiver is interfered by a harmonic wave of a VHF antenna.
• There should be no interfering object within the line-of-sight to
the satellites. Objects within line-of-sight to a satellite, for example,
a mast, may block reception or prolong acquisition time.
• Mount the antenna unit as high as possible. Mounting the antenna
unit as high as possible keeps it free of interfering objects and
water spray, which can interrupt reception of GPS satellite signal
if the water freezes.
• The length of the whip antenna for the GP-1650D should be no
longer than 1.2 meter to prevent antenna damage. Do not use a 2.5
meter whip antenna.
• Do not shorten the antenna cable.
• If the antenna cable is to be passed through a hole which is not
large enough to pass the connector , you may unfasten the connector with a needle nose pliers and 3/8-inch open-end wrench. Refasten it as shown in Figure 1-4 after running the cable through the
hole.
Figure 1-4 How to assemble the connector
4
GPA-018
(GP-1650D)
Earth
terminal
ANTENNA UNIT
2. Wiring
All wiring are terminated at the rear of the display unit.
Earth terminal
DISPLAY UNIT
GPA-017
(GP-1650)
ANT
XDR
DGPS
NMEA
+
13GND
2
-
12-24
VDC
External
equipment
GPA-019
(GP-1650D)
DGPS beacon receiver
(option for GP-1650,
RS-232C only)
Black
White
Shield
Figure 2-1 Display unit, rear view
Power cable
Connect the power cable to the power connector. Connect the leads
to the battery (12 or 24 VDC); white to plus(+) terminal and black to
minus(-) terminal.
Cable connector
Power cable
w/fuse (3A)
Lead wire
Black
White
BATTERY
Figure 2-2 Connecting the power cable to the battery
5
Antenna unit
Connect the antenna unit cable to the ANT connector.
Ground
The display unit contains several CPUs.
While they are operating, they radiate
noise, which can in-
CAUTION
Ground the equipment to
prevent electrical shock
and mutual interference.
terfere with radio
equipment. Ground
the unit to prevent interference. The grounding wire should be 1.25
sq or larger and as short as possible. Connect the grounding wire to
ship's ground. On a fiberglass boat, it is best to install a ground plate
that measures about 20 cm by 30 cm on the outside of the hull bottom
to provide a ground point. If this is not practical, the engine block can
be used.
Also, the antenna unit GPA-018S(option) type antenna units should
be grounded.
Note: Use a “closed” lug to make the ground connection at the dis-
play unit. Do not use an “open-type” lug ().
Extending antenna cable length
The standard cable is 10m long. For extension, in case of the GPA016, GPA-018or GPA-018S, an antenna cable set of 30m or 50m is
available. Extension cable cannot be used with the GPA-017 or GPA-
018.
◆ Extension cable line-up
Fabricate the end of the antenna cable and attach the coaxial con-
nector. Details are shown on next page.
Antenna Unit
GPA-016
GPA-018S
GPA-019S
1 m
Conversion
Cable Assy.
Antenna Cable
30 m or 50 m1 m
Fabricate locally. (See next page.)
: Connector
To display unit
Figure 2-3 Cable extension
◆ Waterproofing connector
Wrap connector with vulcanizing tape and then vinyl tape. Bind
the tape end with cable-tie.
Figure 2-4 Waterproofing connector
6
How to attach the N-P-8DFB connector
Outer Sheath
Cover with heat-shrink tubing and heat.
Armor
30
Clamp
Nut
Dimensions in millimeters.
Inner Sheath Shield
50
Gasket
(reddish
brown)
30
10
Clamp
Aluminum Foil
Remove outer sheath and armor by the dimensions
shown left.
Expose inner sheath and shield by the dimensions
shown left.
Cut off insulator and core by 10mm.
Twist shield end.
Ship on clamp nut, gasket and clamp as shown left.
Trim shield here.
Trim aluminum
tape foil here.
Clamp Nut
Insulator
1
5
Pin
Shell
Fold back shield over clamp and trim.
Cut aluminum foil at four places, 90° from one
another.
Fold back aluminum foil onto shield and trim.
Expose the insulator by 1mm.
Expose the core by 5mm.
Slip the pin onto the conductor. Solder them together
through the hole on the pin.
Insert the pin into the shell. Screw the clamp nut into
the shell.
Solder through
the hole.
(Tighten by turning the clamp nut. Do not tighten by
turning the shell.)
Figure 2-5 Fabrication of coaxial cable
7
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