Icom IC-R8500 instruction manual Table of Contents

Models: IC-R8500

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TABLE OF CONTENTS

IMPORTANT

i

EXPLICIT DEFINITIONS

i

PRECAUTIONS

i

UNPACKING

i

TABLE OF CONTENTS

ii

1 PANEL DESCRIPTION

1– 6

Front panel

1

Rear panel

5

Function display

6

2 CONNECTIONS

7– 10

Mounting installation

7

Required connections

8

Antenna connection

9

Grounding

9

Tape recorder connections

10

Transceive function

10

Connecting to a PC

10

Data demodulation terminal

10

3 FREQUENCY SETTING

11– 12

Read me first

11

Using the keypad

11

Using the main dial

12

Lock function

12

4 RECEIVE FUNCTIONS

13– 16

Initial settings

13

Mode selection

13

Squelch function

14

Functions for FM

14

Functions for SSB/CW

14

Data communications

16

5 MEMORY CHANNELS

17– 22

General

17

Bank selection

17

Channel selection

18

Programming

19

Copy and paste (memory editing)

19

Clearing

19

Channel/bank names

20

Assigning channels numbers

21

6 SCANS

23– 28

Operation

23

Mode select function

25

Specifying skip channel and frequency

25

Automatic bank limit/skip functions

26

Voice scan control function

26

Programming scan edge frequencies

27

Scan speed/delay functions

27

7 SLEEP TIMER

29

8 SET MODE

30

General

30

Quick set mode items

31

Initial set mode items

31

9 CONNECTOR INFORMATION

33– 34

10 CONTROL COMMANDS

35– 36

Command table

35

Data format

35

11 MAINTENANCE

37

Disassembly

37

Fuse replacement

37

Level adjustments

37

Memory backup

37

CPU resetting

37

Cleaning

37

12 OPTIONAL INSTALLATIONS

38– 40

UT-102 VOICE SYNTHESIZER UNIT

38

FL-52A CW NARROW FILTER

38

CR-293 HIGH STABILITY CRYSTAL UNIT

39

TV-R7100 TV RECEIVE ADAPTER

40

13 TROUBLESHOOTING

41–42

14 SPECIFICATIONS

43

15 OPTIONS

44

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Icom IC-R8500 instruction manual Table of Contents

IC-R8500 specifications

The Icom IC-R8500 is a highly regarded general-purpose receiver that has made its mark among amateur radio enthusiasts and professionals alike. This versatile communication receiver is known for its wide frequency coverage, advanced features, and robust design, making it a valuable tool for various applications, including shortwave listening, public safety communication, and aircraft monitoring.

One of the standout features of the IC-R8500 is its extensive frequency coverage. It spans a range from 0.1 MHz to 3 GHz, allowing users to access a wide spectrum of signals. The receiver includes coverage of HF, VHF, UHF, and even microwave bands, making it suitable for listening to everything from amateur radio transmissions to satellite communications.

The receiver employs a high-performance double-conversion superheterodyne architecture, which contributes to its excellent sensitivity and selectivity. The advanced RF circuitry minimizes interference and enhances the clarity of received signals. Users can expect outstanding audio quality and a wide dynamic range, even in challenging reception conditions.

Digital Signal Processing (DSP) is another key technology incorporated into the IC-R8500. The DSP capabilities allow users to apply noise reduction and filtering techniques to improve the quality of the received audio. Features such as automatic notch filtering and IF filtering help eliminate unwanted noise, enhancing the listening experience.

The IC-R8500 is equipped with a large, easy-to-read LCD display that provides information on frequency, mode, signal strength, and other essential parameters. The user-friendly interface simplifies operation, allowing quick access to various settings and functions. Additionally, the receiver supports various modulation modes, including AM, FM, SSB, and CW, catering to different listening preferences.

For those seeking enhanced connectivity, the IC-R8500 offers multiple options, including an audio output jack, and external speaker connections. It also has a built-in memory function, allowing users to store and recall favorite frequencies easily. The receiver can be controlled via a computer interface, offering versatility for advanced users and programmers.

In summary, the Icom IC-R8500 stands out for its wide frequency range, superior sensitivity, and advanced features powered by DSP technology. Its robust construction and user-friendly design make it a favorite among communications enthusiasts seeking a reliable and versatile receiver for various applications. Whether for hobbyist listening or professional use, the IC-R8500 remains a top choice in the world of radio receivers.