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9
INSTALLATION AND CONNECTIONS
I Mounting the EX-2780 scanner unit
• Location
WARNING:
OFF whenever you are working with the scanner
unit.
The scanner unit is designed to be weatherproof and
completely watertight. Select a place for installation
which meets the following important conditions.
q The scanner unit must be near the boat's center line
and have a good view in every direction. Be sure
there are no objects in the surrounding area which
will intercept the scanning beam.
w KEEP the scanner unit away from any smoke-
stacks. Smoke can damage the unit.
e When the boat is equipped with a radio directional
finder (RDF) system, keep the scanner unit at least
2 m (6.6 ft) away from any RDF antenna.
• Radiation from the scanner unit can affect the measure-
ment data of RDF equipment.
r The unit should be placed as high as possible on
the boat to obtain best performance with maximum
range.
t If you install two or more radar in one boat, install
one above, and one below.
y The mounting surface must be parallel with the
boat's waterline.
u If the height is insufficient to install the scanner unit,
build a special frame for installation.
28
BE SURE [POWER]/[
• Mounting
q Drill four (4) holes of 12 mm (
] is
using the template.
w If the mounting surface or platform is metal, apply
sealing compound around the holes to prevent cor-
rosion and to waterproof the unit.
e Fix the scanner unit to the selected position with
bolts of 10 mm (
spring washers. The supplied bolts are two lengths:
25 mm (1 in) or 50 mm (2 in).
CAUTION: SECURE the four bolts tightly.
Ship's bow direction
7
11 (
⁄
)
16
5
262 (10
⁄
)
16
20.5 (
Ship's bow direction
1
1200 (47
⁄
)
4
3
248 (9
⁄
)
4
29
302 (11
⁄
)
32
1
⁄
in) in diameter
2
3
⁄
in) in diameter, with flat and
8
15
190 (7
⁄
)
32
399 (17
23
⁄
)
32
13
⁄
)
16
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