7
CONTROL CABLE SIGNALS
3
7
Mounting
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CAUTION:
Mount the AT-140 in a horizontal posi-
tion or in a vertical position with the antenna termi-
nal up.
Mounting on a Mast/Metal pole
D
Using U-bolts
U-bolt
U-bolt plate
Flat washer (L)
Spring washer
Nut
Mast/
Metal pole
32–60 mm;
1.3–2.4˝
Flat washer (S)
NEVER
install the antenna
tuner upside down.
Mounting on a flat surface
D
Using self-tapping
screws
Using nuts and bolts
Using self-tapping
screws
Using nuts and bolts
Nut
Spring
washer
Flat
washer(L)
Flat
washer(L)
Hex head
bolt
Drill a hole here
Diameter:7–8 mm;
9
⁄
32
–
5
⁄
16
inches
Weatherproof cap
Flat
washer(S)
Nut
Spring
washer
Flat
washer (L)
Flat
washer (L)
Hex head
bolt
Drill a hole here
Diameter:7–8 mm;
9
⁄
32
–
5
⁄
16
inches
Flat
washer (S)
Nut
Spring
washer
Flat
washer (L)
Flat
washer (L)
Hex head
bolt
Drill a hole here
Diameter:7–8 mm;
9
⁄
32
–
5
⁄
16
inches
Flat
washer (S)
R
WARNING!
Mount the AT-140 securely with the
supplied nuts and bolts. Otherwise, vibrations and
shocks due to waves could loosen the antenna
tuner making if fall, causing personal injury.
q
Connect the coaxial cable and the control cable
to the AT-140.
Control cable
Coaxial cable
AT-140
Ground
Copper
strap,
etc.
Connect to the
ground.
OPC-412
(Supplied)
w
Wrap both the antenna and the control cable con-
nectors with rubber vulcanizing tape, and then
wrap electrical tape* over the rubber vulcanizing
tape to secure waterproofing.
* The electrical tape is not supplied with the AT-140.
Rubber vulcanizing tape
Control cable
Coaxial cable
e
Fix both of the coaxial and control cables to pro-
tect the inside connections.
DO NOT
pull the antenna and control cable
receptacles. This may cause disconnection
(inside the AT-140), internal connector dam-
age or a bad connection.
r
Connect the coaxial cable and the control cable
to the transceiver.
• See the transceiver instruction manual for details.
t
Ground the transceiver, AT-140 and shield cable
of the control cable via the ground terminal.
• See pages 1, 2 and 4 for grounding details.
IMPORTANT:
NEVER
ground the AT140 via the mounting
plate. It is not connected to ground internally.
Mounting plate
Ground terminal
Cable connections
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