TABLE OF CONTENTS
iv
OPERATING THEORY
Electromagnetic radiation which has frequencies of 20,000
Hz (20 kHz*) and above is called radio frequency (RF) energy
because it is useful in radio transmissions. The IC-R10 re-
ceives RF energy from 0.5 MHz to 1300 MHz* and converts it
into audio frequency (AF) energy which in turn actuates a
loudspeaker to create sound waves. AF energy is in the
range of 20 to 20,000 Hz.
*kHz is an abbreviation of kilohertz or 1000 hertz, MHz is abbreviation
of megahertz or 1,000,000 hertz, where hertz is a unit of frequency.
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General ................................................................................................ 51
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Memory channel edit ........................................................................... 51
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Program scan channel edit .................................................................. 55
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EASY mode channel edit ..................................................................... 55
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Program scan or EASY mode channel edit ......................................... 57
9 SET MODE ....................................................................... 59 – 62
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General ............................................................................................... 62
10 OTHER FUNCTIONS ........................................................ 63 – 71
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Low battery indicator ........................................................................... 63
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AFC function ........................................................................................ 63
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Monitor function ................................................................................... 64
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Lock function ....................................................................................... 64
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ATT function ........................................................................................ 65
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NB/ANL function .................................................................................. 65
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Sleep timer .......................................................................................... 66
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User TS setting .................................................................................... 66
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Memory search function ...................................................................... 67
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Auto mode and TS function ................................................................. 69
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Resetting the CPU ............................................................................... 70
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Data cloning ........................................................................................ 71
11 ALPHANUMERIC KEY ASSIGNMENT ................................... 72
12 CONTROL COMMANDS .................................................. 73 – 74
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General ................................................................................................ 73
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Data format .......................................................................................... 73
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Command table ................................................................................... 73
13 TROUBLESHOOTING ...................................................... 75 – 76
14 SPECIFICATIONS ................................................................... 77
15 OPTIONS ................................................................................. 78
OPERATING NOTES
The IC-R10 may receives its own oscillated frequency, result-
ing in no reception or only noise reception, on some frequen-
cies.
The IC-R10 may receive interference from extremely strong
signals on different frequencies or when using an external
high-gain antenna.
