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Icom IC-R20 - User Manual

Icom IC-R20
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INSTRUCTION MANUAL
iR20
COMMUNICATIONS RECEIVER
This device complies with Part 15 of the FCC rules. Operation is sub-
ject to the following two conditions: (1) This device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
WARNING: MODIFICATION OF THIS DEVICE TO RECEIVE CEL-
LULAR RADIO TELEPHONE SERVICE SIGNALS IS PROHIBITED
UNDER FCC RULES AND FEDERAL LAW.

Table of Contents

Other manuals for Icom IC-R20

Questions and Answers

  • A
    Audrey PerezSep 10, 2025
    How to fix an Icom Receiver that won't power on?
    • T
      Tara BruceSep 10, 2025
      If your Icom Receiver isn't powering on, the batteries may be exhausted. Try replacing them or charging the battery pack. Also, ensure that the battery polarity is correct when inserting them.
  • L
    Laura MaysAug 22, 2025
    Why memory or bank scan does not start on Icom IC-R20?
    • N
      ngilbertAug 22, 2025
      If the memory or bank scan on your Icom Receiver does not start, it could be because no, or only one, memory or bank channel is programmed. Program at least 2 memory or bank channels.
  • S
    smithjohnAug 25, 2025
    What causes programmed scan not to start on Icom Receiver?
    • B
      Beth MendezAug 25, 2025
      If the programmed scan on your Icom Receiver does not start, it is possible that the program scan edges are not programmed. To resolve this, program a pair of scan edge channels.
  • A
    Ashley GarnerAug 26, 2025
    Why doesn't memory or bank scan start on my Icom Receiver?
    • T
      Tammy StoneAug 27, 2025
      If the memory or bank scan on your Icom Receiver isn't starting, it's likely because none or only one memory or bank channel is programmed. Make sure to program at least 2 memory or bank channels.
  • R
    Rita TaylorAug 27, 2025
    How to fix Icom IC-R20 when no power comes on?
    • P
      Paul RamirezAug 27, 2025
      If your Icom Receiver isn't powering on, the batteries may be exhausted. Try replacing them or charging the battery pack. Also, ensure that the battery polarity is correct.
  • M
    Mark BergerAug 29, 2025
    Why is there no sound coming from my Icom Receiver speaker?
    • C
      Curtis GarciaAug 29, 2025
      If you can't hear any sound from the Icom Receiver's speaker, first check if the volume level is too low. Rotate [R-DIAL] or push [Y] to increase it to a suitable level. Also, the squelch level might be set too tight; while pushing [SQL], rotate [R-DIAL] to adjust the squelch level. Finally, if you're using tone squelch, a different tone may be selected, so turn the appropriate function OFF.
  • H
    Hannah ArnoldSep 18, 2025
    Why can't I select a set mode item on my Icom Receiver?
    • V
      vyoungSep 18, 2025
      If you're unable to select a desired set mode item on your Icom Receiver, the “EXPAND” item might be set to OFF. Turn the “EXPAND” item ON.
  • M
    Matthew SmithSep 12, 2025
    Why is the Icom Receiver sensitivity low?
    • L
      Lee VazquezSep 12, 2025
      If the sensitivity of your Icom Receiver is low, and you can only hear strong signals, the attenuator function might be activated. Push [ATT] for 1 second to turn the attenuator function OFF. Additionally, for SSB/CW modes, the RF gain setting may be too low. Push [RF GAIN] for 1 second, then rotate [R-DIAL] to select “MAX” level.
  • J
    Joshua MoralesSep 8, 2025
    What to do if no sound comes from the Icom Receiver speaker?
    • V
      Victoria AdamsSep 8, 2025
      If you are not getting any sound from the Icom Receiver's speaker, first, ensure the volume isn't too low by rotating the [R-DIAL] or pushing [Y] to adjust it. Also, check if the squelch level is set too high by pushing [SQL] and rotating [R-DIAL] to adjust the squelch level. Finally, if using tone squelch, verify that the correct tone is selected and turn the function OFF if needed.
  • V
    Vickie RyanSep 5, 2025
    What to do if Icom Receiver audio is distorted?
    • A
      anthony21Sep 5, 2025
      If the receive audio on your Icom Receiver is distorted, the operating mode may not be selected correctly. Push [MODE•SCAN] several times to select a suitable operating mode.

Summary

INSTRUCTION MANUAL

PRECAUTION

WARNING! NEVER connect the receiver directly to an AC outlet.

Warns about fire hazard or electric shock from direct AC outlet connection.

WARNING! NEVER operate the receiver while driving a vehicle.

Emphasizes safety by requiring full attention while driving.

WARNING! NEVER throw a battery cell or battery pack into a fire.

Warns of explosion risk from throwing batteries into fire.

WARNING! NEVER disassemble the battery pack.

Warns against battery pack disassembly due to electrolyte hazard.

NEVER connect the receiver directly to a power source of more than 6 V DC.

Warns against connecting to power sources exceeding 6V DC to prevent damage.

NEVER connect the receiver to a power source using reverse polarity.

Warns against reverse polarity connection to prevent receiver damage.

NEVER expose the receiver to rain, snow or any liquids.

Warns against exposing the receiver to moisture, which may cause damage.

NEVER operate or touch the receiver with wet hands.

Warns against operating with wet hands to prevent electric shock.

NEVER solder the battery cell.

Warns against soldering battery cells to prevent damage.

AVOID the use of chemical agents such as benzine or alcohol in cleaning.

Warns that chemical cleaning agents can damage the receiver's surfaces.

QUICK REFERENCE GUIDE

CHARGING THE BATTERY

Procedure for charging the battery pack.

BASIC OPERATION

Fundamental operations like power on and tuning.

MEMORY PROGRAMMING

Steps for programming memory channels.

PROGRAMMED SCAN OPERATION

How to perform programmed scans.

STARTING SCAN

Instructions for initiating scan operations.

PANEL DESCRIPTION

FRONT, TOP AND SIDE PANELS

Identification of all external controls and connectors.

BATTERY INSTALLATION AND CHARGING

BATTERY INSTALLATION

How to install standard AA batteries.

BATTERY PACK INSTALLATION

How to install the Li-Ion battery pack.

CAUTION

Important safety cautions for batteries and charging.

BATTERY CHARGING

Procedures for charging the battery pack.

FREQUENCY AND CHANNEL SETTING

OPERATING BAND SELECTION

How to select the desired frequency band.

SETTING A TUNING STEP

How to select the tuning step for frequency adjustment.

SETTING A FREQUENCY

Methods for setting the operating frequency.

USING THE KEYPAD

Direct frequency input using the keypad.

BASIC OPERATION

RECEIVING

Steps for turning on and receiving signals.

SETTING AUDIO VOLUME

How to adjust the audio volume level.

MONITOR FUNCTION

How to use the monitor function.

RF GAIN

How to adjust the RF gain setting.

DUPLEX OPERATION

How to configure duplex communication.

DUALWATCH OPERATION

MEMORY CHANNELS

MEMORY BANK SETTING

How to set up and assign channels to memory banks.

COPYING MEMORY CONTENTS

How to transfer memory channel data.

MEMORY CLEARING

How to blank or clear programmed memory channels.

ERASING;TRANSFERRING BANK CONTENTS

How to clear or reassign bank contents.

SCAN OPERATION

SCAN TYPES

Overview of different scan types available.

FULL;BAND;PROGRAMMED SCAN

How to perform full, band, and programmed scans.

SCAN EDGES PROGRAMMING

How to program scan edge channels.

MEMORY;BANK;ALL BANK SCAN

How to perform memory, bank, or all bank scans.

AUTO-MEMORY WRITE SCAN

How to use the auto-memory write scan.

SKIP CHANNEL;FREQUENCY SETTING

How to set skip conditions for channels/frequencies.

SCAN RESUME CONDITION

How to set scan resume conditions.

PRIORITY WATCH

PRIORITY WATCH OPERATION

How to operate priority watch features.

VFO SCAN WATCH

How to operate priority watch with VFO scan.

COMFORTABLE RECEIVING

TONE;DTCS SQUELCH OPERATION

How to use tone or DTCS squelch functions.

TONE SQUELCH FREQUENCY;DTCS CODE SETTING

Setting tone frequencies and DTCS codes.

DTCS POLARITY SETTING

How to set DTCS polarity (Normal/Reverse).

SET MODE

SCAN PAUSE TIMER

Setting the scan pause duration.

SCAN RESUME TIMER

Setting the scan resume delay.

OFFSET FREQUENCY

Setting duplex offset frequency.

DUPLEX DIRECTION

Setting duplex direction.

MAINTENANCE

SPECIFICATIONS

DRIVER INSTALLATION

POCKET GUIDE

SQUELCH LEVEL SETTING

How to set squelch level.

ATTENUATOR FUNCTION

How to use the attenuator.

MEMORY CHANNEL PROGRAMMING

How to program memory channels.

Icom IC-R20 Specifications

General IconGeneral
ModeAM, FM, WFM, SSB, CW
Antenna ConnectorBNC
Memory Channels1250
SelectivityAM/FM
Output Power150mW at 8 Ohms
Battery LifeApprox. 8 hours with BP-206 (at 50mW audio output)

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