Mounting; Cable Connections - Icom AT-140 Instruction Manual

3
CONTROL CABLE SIGNALS

Mounting

■
CAUTION: Mount the AT-140 in a horizontal posi-
tion or in a vertical position with the antenna termi-
nal up.
D Mounting on a Mast/Metal pole
Mast/
Metal pole
32–60 mm;
1.3–2.4˝
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.
D Mounting on a flat surface
Nut
Flat
Using nuts and bolts
washer (S)
Spring
washer
Flat
washer (L)
Flat
washer (L)
Drill a hole here
Hex head Diameter:7–8 mm;
bolt
Using nuts and bolts
Nut
Flat
washer (S)
Spring
washer
Flat
washer (L)
Flat
washer (L)
Drill a hole here
Hex head
Diameter:7–8 mm;
bolt
Nut
Flat
washer(S)
Spring
washer
Flat
washer(L)
7 7
Flat
washer(L)
Drill a hole here
Hex head
Diameter:7–8 mm;
bolt
Using U-bolts
U-bolt
U-bolt plate
Flat washer (L)
Spring washer
Flat washer (S)
Nut
NEVER install the antenna
tuner upside down.
Using self-tapping
screws
9 5
⁄ – ⁄ inches
32 16
Using self-tapping
screws
9 5
⁄ – ⁄ inches
32 16
Weatherproof cap
⁄ ⁄
9 5
– inches
32 16

Cable connections

■
q Connect the coaxial cable and the control cable
to the AT-140.
Connect to the
ground.
Copper
OPC-412
strap,
(Supplied)
etc.
Ground
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.
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.
Ground terminal
Mounting plate
AT-140
Coaxial cable Control cable
Rubber vulcanizing tape