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

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		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	✔	✔

24

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Contents IR20 Auto write and 50 scan edge channels are included Some frequency bands are inhibited according to versionMay occur Equipment damage may occurOperate this device under FCC regulations PrecautionSupplied Accessories Table of Contents Battery pack installation Batteries installationQuick Reference Guide PreparationsSwivel belt clip Option Belt clipThird-party antennas may in- crease receiver performance AntennaAbout default setting Charging the batteryYour ﬁrst scanning ExperienceAdjusting squelch level Adjusting audio levelBasic operation Turning on the receiverReceive mode selection Setting frequencyMemory programming Selecting a memory channelProgramming scan edges Writing a memory channel Programmed scan operationSelecting a scan edge channel B Selecting a scan edge channel aCancelling scan Starting scan Select VFO modeStarting scan Selecting a scanning typeFront, top and side panels Panel DescriptionULEFT Dial L-DIAL EPOWER KEY PowerIRIGHT Dial R-DIAL QDUALWATCH/CLEAR KEY DualwatchMODE/SCAN KEY Mode Scan Or 10 MHz tuning steps pVOLUME/DIAL KEY 1 DIAL.SEL VFO/MHz KEY VFO MHzInputs 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 displayTLOCK Indicator p RANL/NB Indicator pgsYAFC Indicator p USKIP Indicators pBattery installation Battery INSTALLATION/CHARGINGBattery caution Battery chargingRegular charging Charging cautionRapid charging with the BC-156 CP-18A/E fuse replacementMode selection Frequency and Channel SettingVFO mode Memory mode/PreSet*/TV*/Weather† channelsOperating band selection Available frequency bands 2425Setting a frequency Setting a tuning stepTuning step selection Using the dialFrequency can be directly set via numeral keys Using the keypadEditting MHz to 1260.240 MHz Lock function Receive mode selectionWhen a signal is received Setting audio volumeBasic Operation ReceivingMonitor function Squelch level settingPush and hold SQL to monitor the operating frequency RF gain Attenuator functionDuplex operation SettingRotate 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 Channels Memory channel contentsGeneral description Memory channel programmingPush 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 nameAvailable 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 contentsErasing/transferring bank contents Scan types Scan OperationFull Scan p FREQUENCY/MEMORY Skip Function pTo 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 DualwatchDuring auto-memory write scanning Auto-memory write scanRecalling the stored frequencies Clearing the stored frequenciesSkip channel/frequency setting Push Dualwatch to exit set mode Scan pause timerScan resume condition SETScan 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 channel0Push 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 listDtcs polarity setting Push 4 T-SCANfor 1 sec. to start the tone scan Tone scanExpanded set mode ON/OFF SET ModeGeneral Expanded set mode items Set mode itemsGeneral set mode items Key-touch beep Priority watchBeep output level Display backlightingNoise blanker Power saveANL function AF ﬁlterPower and Lock No accessible key is available, exceptAM antenna selection FM antenna selectionDefault Auto power OFFDial speed acceleration Monitor key actionScan resume timer Scan pause timerScan stop beep Turns the scan stop beep function on and OFFOffset frequency Scope audio outputDuplex direction Sets the audio output function while scope operationDtcs code Tone frequencyDtcs polarity Available subaudible tone frequenciesMemory bank link LCD contrast can be adjusted through 15 levelsLCD contrast Turns weather alert function on and OFFCI-V baud rate CI-V addressCI-V transceive Other Functions RPush Dualwatch to exit set modeAntenna selection Selecting antennaWeather channel operation Turn the weather alert function OFF in set modeWeather channel selection Weather alert functionData cloning Cloning using a personal computerReceiver shows following indications Cloning error Auto power-off functionIC recorder Playing back recorded contentRecording a received audio Recording set mode Quality setting Playback speed settingErasing recorded audio Automatic recordingREC Same time, but cannot erase each track independentlyPartial reset Command table Control CommandData format CI-V compatible transceiver Control CommandTV channels Frequency TableS.A. channels Ccir channelsNew China channelsZealand ChannelsItalian channels Indonesian channelsTaiwan channels FOT channelsWeather channelsunit MHz VHF marine channelsChannels 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 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 Finish2After 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 GuideRelease Mode Scan to start scan We Icom Inc. Japan Declaration ConformityKamiminami, Hirano-ku, Osaka 547-0003, Japan #07 France