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■ Mounting the EX-2780 scanner unit
• Location
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.
• Mounting
q Drill four (4) holes of 12 mm (
1
⁄2 in) in diameter
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 (
3
⁄8 in) in diameter, with flat and
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
190 (7
15
⁄32)
399 (17
23
⁄32)
381 (15)
28
9
INSTALLATION AND CONNECTIONS
Ship’s bow direction
302 (11
29
⁄32)
248 (9
3
⁄4)
1200 (47
1
⁄4)
20.5 (
13
⁄16)
R5.5 (
7
⁄
32
)
11 (
7
⁄16)
262 (10
5
⁄16)
281 (11
1
⁄16) 98 (3
7
⁄8)
152 (5
31
⁄32)
190 (7
15
⁄32)
WARNING: BE SURE [POWER]/[ ] is
OFF whenever you are working with the scanner
unit.
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