Main band selection Band exchange | Icom IC-R20 specification

		5
	DUALWATCH OPERATION	5
■ Main band selection	■ Band exchange

➥Push [MAIN/SUB] momentarily to select the upper band or lower band as main band (operating band) alternately.

➥Push [MAIN/SUB] for 1 sec to exchange the upper band’s frequency and lower band’s frequency.

	-DUP TSQL	PS	-DUP TSQL	PS	4
	145 25000 PRIO000		145 25000 PRIO000		4
	145 25000 PRIO000		145 25000 PRIO000		5
	FM		FM		5
	AFC -DUP TSQL PS		AFC -DUP TSQL PS
	438 00000 PRIO000		438 00000 PRIO000
	FM		FM

MAIN/SUB	-DUP TSQL	PS	MAIN/SUB	-DUP TSQL	PS
	-DUP TSQL	PS		-DUP TSQL	PS
	145 25000 PRIO000			438 00000 PRIO000
	FM			FM
	-DUP TSQL	PS		-DUP TSQL	PS
	438 00000 PRIO000			145 25000 PRIO000
	FM			FM

	• Operating bands table for dualwatch operation
							• The A-side is upper side on the display, and B-side is
	Band	A-side	B-side	Band	A-side	B-side
							lower side, if the band exchange function (see above) is
	1 M	✔	–	300 MHz	✔	✔
							not performed (default).
	AM (BC)	✔	–	400 MHz	✔	✔
							• Available frequency bands are different depending on
	HF bands	✔	–	800 MHz*	–	✔
							version. See the speciﬁcation for details.
	FM (BC)	✔	–	1.2 GHz	–	✔
							• *Some frequency ranges are prohibited for the USA ver-
	VHF air	✔	✔	2.4 GHz	–	–	sion due to local regulation.
	144 MHz	✔	✔

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Icom IC-R20 instruction manual Main band selection Band exchange, Operating bands table for dualwatch operation

Contents

IR20 Auto write and 50 scan edge channels are included Some frequency bands are inhibited according to versionMay occur Equipment damage may occur Operate this device under FCC regulations Precaution Supplied Accessories Table of Contents Battery pack installation Batteries installationQuick Reference Guide Preparations Swivel belt clip Option Belt clip Third-party antennas may in- crease receiver performance Antenna About default setting Charging the batteryYour ﬁrst scanning Experience Adjusting squelch level Adjusting audio levelBasic operation Turning on the receiver Receive mode selection Setting frequencyMemory programming Selecting a memory channel Programming scan edges Writing a memory channel Programmed scan operationSelecting a scan edge channel B Selecting a scan edge channel a Cancelling scan Starting scan Select VFO modeStarting scan Selecting a scanning type Front, top and side panels Panel Description ULEFT Dial L-DIAL EPOWER KEY PowerIRIGHT Dial R-DIAL QDUALWATCH/CLEAR KEY Dualwatch MODE/SCAN KEY Mode Scan Or 10 MHz tuning steps pVOLUME/DIAL KEY 1 DIAL.SEL VFO/MHz KEY VFO MHz Inputs digit ‘5’ for frequency input, memory Push for 1 sec. to enter the set modeInputs digit ‘0’ for frequency input, memory Inputs digit ‘8’ for frequency input, memory @2STOP/PLAY ≈ WDUPLEX Indicators p QBATTERY IndicatorESIGNAL Squelch Indicators Function display TLOCK Indicator p RANL/NB Indicator pgsYAFC Indicator p USKIP Indicators p Battery installation Battery INSTALLATION/CHARGING Battery caution Battery chargingRegular charging Charging caution Rapid charging with the BC-156 CP-18A/E fuse replacement Mode selection Frequency and Channel SettingVFO mode Memory mode/PreSet*/TV*/Weather† channels Operating band selection Available frequency bands 2425 Setting a frequency Setting a tuning stepTuning step selection Using the dial Frequency can be directly set via numeral keys Using the keypadEditting MHz to 1260.240 MHz Lock function Receive mode selection When a signal is received Setting audio volumeBasic Operation Receiving Monitor function Squelch level settingPush and hold SQL to monitor the operating frequency RF gain Attenuator function Duplex operation SettingRotate R-DIALto select Duplex NB/ANL function AFC function Select the sweep steps, if desired Band scope Single band operation Dial function assignment Operating bands table for dualwatch operation Main band selection Band exchange Lower band’s squelch adjustment Setting audio volume Squelch level setting Memory Channels Memory channel contentsGeneral description Memory channel programming Push MR S.MW for 1 sec. to set the channel into the bank Memory bank setting Rotate R-DIALto select the bank channel Memory bank selection Rotate R-DIALto select the desired character Programming memory/bank name Available characters Selecting memory/bank name IndicationDication type from bank name or memory name Copying memory contents Memory clearing Push MR S.MW for 1 sec. to clear the contents Erasing/transferring bank contents Scan types Scan OperationFull Scan p FREQUENCY/MEMORY Skip Function p To start the scan, release Mode Scan Select VFO mode with VFO MHzFull/band/programmed scan Scan edges programming Release Mode Scan to start the selected scan Select memory mode with MR S.MWMemory/bank/all bank scan To stop the scan, push Dualwatch During auto-memory write scanning Auto-memory write scanRecalling the stored frequencies Clearing the stored frequencies Skip channel/frequency setting Push Dualwatch to exit set mode Scan pause timerScan resume condition SET Scan resume timer Priority watch types Priority WatchAbout priority beep function Push Dualwatch to cancel the watch Push Dualwatch to exit set mode and start the watchPriority watch operation Select the desired memory channel 0Push Dualwatch to cancel the watch and scan VFO scan watch qSelect memory modeWhile scanning memory/bank channels Tone/DTCS squelch operation Comfortable ReceivingPush Dualwatch to stop the beeps and blinking man- ually Available Dtcs code list Tone squelch frequency/DTCS code settingPush 8 SET Available tone frequency list Dtcs polarity setting Push 4 T-SCANfor 1 sec. to start the tone scan Tone scan Expanded set mode ON/OFF SET ModeGeneral Expanded set mode items Set mode itemsGeneral set mode items Key-touch beep Priority watchBeep output level Display backlighting Noise blanker Power saveANL function AF ﬁlter Power and Lock No accessible key is available, exceptAM antenna selection FM antenna selection Default Auto power OFFDial speed acceleration Monitor key action Scan resume timer Scan pause timerScan stop beep Turns the scan stop beep function on and OFF Offset frequency Scope audio outputDuplex direction Sets the audio output function while scope operation Dtcs code Tone frequencyDtcs polarity Available subaudible tone frequencies Memory bank link LCD contrast can be adjusted through 15 levelsLCD contrast Turns weather alert function on and OFF CI-V baud rate CI-V addressCI-V transceive Other Functions RPush Dualwatch to exit set modeAntenna selection Selecting antenna Weather channel operation Turn the weather alert function OFF in set modeWeather channel selection Weather alert function Data cloning Cloning using a personal computerReceiver shows following indications Cloning error Auto power-off function IC recorder Playing back recorded contentRecording a received audio Recording set mode Quality setting Playback speed setting Erasing recorded audio Automatic recordingREC Same time, but cannot erase each track independently Partial reset Command table Control CommandData format CI-V compatible transceiver Control Command TV channels Frequency TableS.A. channels Ccir channels New China channelsZealand Channels Italian channels Indonesian channelsTaiwan channels FOT channels Weather channelsunit MHz VHF marine channels Channels Murs channels Other communications in the USAHF CB Citizens Band channels General aviation frequencies Wireless MicrophonesCable TV IRC Other communications- other countries LPD Low Power Device channels Unit MHzPMR446 channels unit MHz UHF C.R.S Citizen Radio Service channels Troubleshooting Maintenance General Specifications Options Options For Microsoft Windows XP Driver Installation Driver Installation Windows starts installing the USB driver 0Repeat step e to y After the installation is completed, click Finish 2After clicking Finish, the dialog appears as below For Microsoft WindowsFound 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 Guide Release Mode Scan to start scan We Icom Inc. Japan Declaration Conformity Kamiminami, Hirano-ku, Osaka 547-0003, Japan #07 France