Icom AH-740 Instruction Manual - Specifications And Options
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SpECIFICATIONS AND OpTIONS
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Specifications
■
• Frequency coverage:
2.2–30 MHz
(with NVIS kit)
2.5–30 MHz
(with supplied whip)
• Power supply requirement:
13.8 V DC
(supplied from the HF
transceiver)
• Current drain:
Maximum 0.6 A
• Operating temperature range:
–40°C to +70°C; –40ºF to +158ºF
• Antenna connector:
SO-239
• Maximum Input power: 125 W (PEP)
• Automatic tuning time:
Approximately 2 to 3 seconds
(new frequency)
0.15 seconds
(typical; retuning to a
memorized frequency)
• Automatic tuning accuracy:
SWR 1.5:1
(after tuning, except for
multiples of 1⁄2
λ
)
• Dimensions :
238(H)
×
145(W)
×
160(D) mm
(projections not included)
; 9.4(H)
×
5.7(W)
×
6.3(D) inches
(except whip and antenna spring)
• Weight
(approximately)
:
3.5 kg; 7.7 lb
All stated specifications are subject to change without notice
or obligation.
Control connector information
D
KEY
START
13.8 V
Front view
GND
SHIELD
NC
Options
■
•
AH-5NV
nvis
kit
Approximately
4.5
m (14.8 ft) long antenna, covers 2.2 MHz through
30 MHz.
• OPC-2321
control
cable
Approximately 6 m (19.7 ft) long control cable for Icom's amateur
transceivers, that have a 4 pin type antenna tuner control connector.
R
WARNING!
At least two people are needed to unpack the op-
tional AH-5NV
nvis
kit
. Work in an open space as the element is
tightly coiled and can spring open with a lot of force. This could
cause a serious injury or other damage.
Approved Icom optional equipment is designed for optimal perfor-
mance when used with an Icom product.
Icom is not responsible for the destruction or damage to an Icom
product in the event the Icom product is used with equipment that is
not manufactured or approved by Icom.