Icom IC-R20 instruction manual Precaution, Operate this device under FCC regulations

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PRECAUTION

RWARNING! NEVER operate the receiver with an earphone, headphones or other audio accessories at high volume levels. Hearing experts advise against continuous high volume operation. If you experience a ringing in your ears, reduce the volume level or discontinue use.

RWARNING! NEVER connect the receiver directly to an AC outlet. This may pose a ﬁre hazard or result in an elec- tric shock.

RWARNING! NEVER operate the receiver while dri- ving a vehicle. Safety driving requires your full attention—any- thing less may result in an accident.

RWARNING! NEVER throw a battery cell or battery pack into a ﬁre since as internal battery gas can cause an ex- plosion.

RWARNING! NEVER disassemble the battery pack. If the battery cell’s internal material (electrolyte liquid) gets into your eyes, wash your eyes with water and obtain treat- ment from an eye doctor immediately.

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

NEVER connect the receiver to a power source using re- verse polarity. This will damage the receiver.

NEVER expose the receiver to rain, snow or any liquids. The receiver may be damaged.

NEVER operate or touch the receiver with wet hands. This may result in an electric shock or damage the receiver.

NEVER solder the battery cell. This may damage the bat- tery.

AVOID using or placing the receiver in direct sunlight or in areas with temperatures below –10°C (+14˚F) or above +60°C (+140˚F).

AVOID the use of chemical agents such as benzine or al- cohol in cleaning, as they can damage the receiver’s sur- faces.

Even when the receiver power is OFF, a slight current still flows in the circuits. Remove the battery pack or batteries from the receiver while not using it for a long time. Otherwise, the installed battery pack or batteries will become exhausted, and will need to be recharged.

RESPECT other people’s privacy. Information overheard but not intended for you cannot lawfully be used in any way.

For U.S.A. only

CAUTION: Changes or modifications to this device, not expressly approved by Icom Inc., could void your authority to

operate this device under FCC regulations.

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Contents IR20 Equipment damage may occur Some frequency bands are inhibited according to versionAuto write and 50 scan edge channels are included May occurOperate this device under FCC regulations PrecautionSupplied Accessories Table of Contents Preparations Batteries installationBattery pack installation Quick Reference GuideSwivel belt clip Option Belt clipThird-party antennas may in- crease receiver performance AntennaExperience Charging the batteryAbout default setting Your ﬁrst scanningTurning on the receiver Adjusting audio levelAdjusting squelch level Basic operationSelecting a memory channel Setting frequencyReceive mode selection Memory programmingSelecting a scan edge channel a Programmed scan operationProgramming scan edges Writing a memory channel Selecting a scan edge channel BSelecting a scanning type Starting scan Select VFO modeCancelling scan Starting scanFront, top and side panels Panel DescriptionQDUALWATCH/CLEAR KEY Dualwatch EPOWER KEY PowerULEFT Dial L-DIAL IRIGHT Dial R-DIALVFO/MHz KEY VFO MHz Or 10 MHz tuning steps pMODE/SCAN KEY Mode Scan VOLUME/DIAL KEY 1 DIAL.SELInputs digit ‘8’ for frequency input, memory Push for 1 sec. to enter the set modeInputs digit ‘5’ for frequency input, memory Inputs digit ‘0’ for frequency input, memory@2STOP/PLAY ≈ Function display QBATTERY IndicatorWDUPLEX Indicators p ESIGNAL Squelch IndicatorsUSKIP Indicators p RANL/NB Indicator pgsTLOCK Indicator p YAFC Indicator pBattery installation Battery INSTALLATION/CHARGINGCharging caution Battery chargingBattery caution Regular chargingRapid charging with the BC-156 CP-18A/E fuse replacementMemory mode/PreSet*/TV*/Weather† channels Frequency and Channel SettingMode selection VFO modeOperating band selection Available frequency bands 2425Using the dial Setting a tuning stepSetting a frequency Tuning step selectionUsing the keypad Frequency can be directly set via numeral keysEditting MHz to 1260.240 MHz Lock function Receive mode selectionReceiving Setting audio volumeWhen a signal is received Basic OperationSquelch level setting Monitor functionPush and hold SQL to monitor the operating frequency RF gain Attenuator functionSetting Duplex operationRotate R-DIALto select Duplex NB/ANL function AFC functionSelect the sweep steps, if desired Band scopeSingle band operation Dial function assignmentOperating bands table for dualwatch operation Main band selection Band exchangeLower band’s squelch adjustment Setting audio volume Squelch level settingMemory channel programming Memory channel contentsMemory Channels General descriptionPush MR S.MW for 1 sec. to set the channel into the bank Memory bank settingRotate R-DIALto select the bank channel Memory bank selectionRotate R-DIALto select the desired character Programming memory/bank nameSelecting memory/bank name Indication Available charactersDication type from bank name or memory name Copying memory contents Memory clearing Push MR S.MW for 1 sec. to clear the contentsErasing/transferring bank contents FREQUENCY/MEMORY Skip Function p Scan OperationScan types Full Scan pSelect VFO mode with VFO MHz To start the scan, release Mode ScanFull/band/programmed scan Scan edges programming To stop the scan, push Dualwatch Select memory mode with MR S.MWRelease Mode Scan to start the selected scan Memory/bank/all bank scanClearing the stored frequencies Auto-memory write scanDuring auto-memory write scanning Recalling the stored frequenciesSkip channel/frequency setting SET Scan pause timerPush Dualwatch to exit set mode Scan resume conditionScan resume timer Priority Watch Priority watch typesAbout priority beep function Select the desired memory channel Push Dualwatch to exit set mode and start the watchPush Dualwatch to cancel the watch Priority watch operationVFO scan watch qSelect memory mode 0Push Dualwatch to cancel the watch and scanWhile scanning memory/bank channels Comfortable Receiving Tone/DTCS squelch operationPush Dualwatch to stop the beeps and blinking man- ually Available tone frequency list Tone squelch frequency/DTCS code settingAvailable Dtcs code list Push 8 SETDtcs polarity setting Push 4 T-SCANfor 1 sec. to start the tone scan Tone scanSET Mode Expanded set mode ON/OFFGeneral Set mode items Expanded set mode itemsGeneral set mode items Display backlighting Priority watchKey-touch beep Beep output levelAF ﬁlter Power saveNoise blanker ANL functionFM antenna selection No accessible key is available, exceptPower and Lock AM antenna selectionMonitor key action Auto power OFFDefault Dial speed accelerationTurns the scan stop beep function on and OFF Scan pause timerScan resume timer Scan stop beepSets the audio output function while scope operation Scope audio outputOffset frequency Duplex directionAvailable subaudible tone frequencies Tone frequencyDtcs code Dtcs polarityTurns weather alert function on and OFF LCD contrast can be adjusted through 15 levelsMemory bank link LCD contrastCI-V address CI-V baud rateCI-V transceive Selecting antenna RPush Dualwatch to exit set modeOther Functions Antenna selectionWeather alert function Turn the weather alert function OFF in set modeWeather channel operation Weather channel selectionCloning using a personal computer Data cloningReceiver shows following indications Cloning error Auto power-off functionPlaying back recorded content IC recorderRecording a received audio Recording set mode Quality setting Playback speed settingSame time, but cannot erase each track independently Automatic recordingErasing recorded audio RECPartial reset Control Command Command tableData format CI-V compatible transceiver Control CommandCcir channels Frequency TableTV channels S.A. channelsChannels China channelsNew ZealandFOT channels Indonesian channelsItalian channels Taiwan channelsWeather channelsunit MHz VHF marine channelsOther communications in the USA Channels Murs channelsHF CB Citizens Band channels Wireless Microphones General aviation frequenciesCable TV IRC LPD Low Power Device channels Unit MHz Other communications- other countriesPMR446 channels unit MHz UHF C.R.S Citizen Radio Service channels Troubleshooting MaintenanceGeneral SpecificationsOptions OptionsFor Microsoft Windows XP Driver InstallationDriver Installation Windows starts installing the USB driver 0Repeat step e to y After the installation is completed, click FinishFor Microsoft Windows 2After clicking Finish, the dialog appears as belowFound New Hardware Wizard will come up as below. Click Next Select Click Driver Installation For Microsoft Windows 98/98SE/Me Select Click COM port conﬁrmation Click the Device Manager IR20 Pocket GuideRelease Mode Scan to start scan We Icom Inc. Japan Declaration ConformityKamiminami, Hirano-ku, Osaka 547-0003, Japan #07 France