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ICOM IC-R8500
Communications Receiver
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ICOM IC-R8500 |
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The IC-R8500 covers a wide
frequency range from 0.1 to 2000MHz (with 10Hz
resolution) while maintaining a high receive
sensitivity. The IC-R8500 is not simply a scanner, it is
a professional quality communications receiver with
versatile features that will appeal to both the serious
receiver enthusiast or professional user.
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Wide Frequency Coverage.
The IC-R8500 covers a wide
frequency range from 0.1 to 2000MHz, with 10Hz
resolution, while maintaining high receive sensitivity.
You can be sure that if there are any communications or
broadcasts out there, you'll be able to hear them with
minimum interference from other signals.
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Various tuning steps.
Two methods of frequency entry
are available; using the tuning dial or direct frequency
entry from the keypad. Numerous tuning steps are
available for operating a wide variety of stations.
In addition, a programmable tuning step is available.
The programmable tuning step can be set (independently
for each memory channel) to a value between 0.5 ~
199.5Khz in 0.5kHz steps. |
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All Mode Capability.
The IC-R8500 has superb high
receive sensitivity over its entire range, and built in
high quality crystal (TCXO) provides excellent frequency
stability of less than +/- 10Hz below 30MHz; less than
+/- 3ppm above 30MHz. |
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Convenient features for
receive
IF shift and APF (audio peak
filter) functions are built in. IF shift is used to
reduce interference from nearby signals. It does so by
adjusting the centre frequency of the IF filter. APF is
used to reduce interference from signals superimposed
over a desired signal by adjusting the centre frequency
of the audio filter. The APF is especially useful when
receiving CW. It is also useful in other modes as a tone
control. In addition a noise blanker, RF attenuator and
selectable AGC functions clarify desired signals when
experiencing various forms of interference. A digital
AFC function tunes the receiver to the center of FM or
WFM signals. |
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Ample memory Channels
The IC-R8500 has 1000 memory
channels. Each memory channel can store a frequency,
mode (including passband width) and tuning step etc. |
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Versatile scanning functions
For basic scanning - memory,
priority and program scans are available. For more
advanced needs - select, skip, autowrite and mode select
scans can be selected. The IC-R8500 scans very quickly
and the speed is continuously adjustable up to 40
channels per second (in both memory and programmed
scans) with a continuously adjustable delay time. VSC
(voice scan control) provides efficient scanning by
skipping unmodulated signals so that you can customise
the scan behaviour to suit your needs.
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RS-232C interface
An RS-232C serial port is
located on the rear panel of the receiver for direct
connection to PC. Icom's CI-V data communications format
allows you to control and monitor many receiver
functions from your PC, as well as to read data or
levels in the receiver such as AF gain, squelch level,
received signal strength together with received
frequency, channel names and many others.
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Wide Frequency Coverage
The IC-R8500 covers a wide
frequency range from 0.1 to 2000MHz, with 10Hz
resolution, while maintaining high receive sensitivity.
You can be sure that if there are any communications or
broadcasts out there, you'll be able to hear them with
minimum interference from other signals. The IC-R8500 is
not simply a scanner, it is a professional quality
communications receiver with versatile features that
will appeal to both the serious receiver enthusiast or
professional user.
|
|
|
|
Various tuning steps
Two methods of frequency entry
are available; using the tuning dial or direct frequency
entry from the keypad. Numerous tuning steps are
available for operating a wide variety of stations.
In addition, a programmable tuning step is available.
The programmable tuning step can be set (independently
for each memory channel) to a value between 0.5 ~
199.5Khz in 0.5kHz steps.
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