Basic Operation, Receiving, Setting audio volume | Icom IC-R20

4 BASIC OPERATION

■Receiving

Make sure charged battery pack (BP-206) or brand new al- kaline batteries are installed (p. 8).

qPush [POWER] for 1 sec. to turn power ON.

wRotate [L-DIAL](or push [Y] or [Z]) to set the desired audio level.

•The frequency display shows the volume level while setting. See the section at right for details.

eSet the receiving frequency. (p. 14) rSet the squelch level. (p. 18)

•While pushing [SQL], rotate [R-DIAL].

•The ﬁrst click of [R-DIAL]indicates the current squelch level.

•“LEVEL 1” is loose squelch and “LEVEL 9” is tight squelch.

•“AUTO” indicates automatic level adjustment with a noise pulse count system.

•Push and hold [SQL] to open the squelch manually.

tWhen a signal is received:

•Squelch opens and audio is emitted.

•The S-meter shows the relative signal strength level.

■Setting audio volume

The audio level can be adjusted through 39 levels.

➥Push and hold [SQL], rotate [L-DIAL](or push [Y] or [Z]) to adjust the audio level.

•While using [Y]/[Z], pushing and holding either key change the audio level continuously.

•The display shows the volume level while setting.

	-DUP TSQL AFC
	MODE FM ANL
[L-DIAL]	146 010
		PSKIP
SQL	√

	VOL
		Minimum setting

		(no audio)

√

r Push for setting the squelch (Push to monitor)

w Set audio level

w Set audio level

e Set frequency r Set squelch level

q [POWER]

e Select band

VOL

√

VOL

Maximum setting

17

Image 30

Icom IC-R20 Basic Operation, Receiving, Setting audio volume, Set the receiving frequency. p rSet the squelch level. p

Contents

IR20 May occur Some frequency bands are inhibited according to versionAuto write and 50 scan edge channels are included Equipment damage may occur Precaution Operate this device under FCC regulations Supplied Accessories Table of Contents Quick Reference Guide Batteries installationBattery pack installation Preparations Belt clip Swivel belt clip Option Antenna Third-party antennas may in- crease receiver performance Your ﬁrst scanning Charging the batteryAbout default setting Experience Basic operation Adjusting audio levelAdjusting squelch level Turning on the receiver Memory programming Setting frequencyReceive mode selection Selecting a memory channel Selecting a scan edge channel B Programmed scan operationProgramming scan edges Writing a memory channel Selecting a scan edge channel a Starting scan Starting scan Select VFO modeCancelling scan Selecting a scanning type Panel Description Front, top and side panels IRIGHT Dial R-DIAL EPOWER KEY PowerULEFT Dial L-DIAL QDUALWATCH/CLEAR KEY Dualwatch VOLUME/DIAL KEY 1 DIAL.SEL Or 10 MHz tuning steps pMODE/SCAN KEY Mode Scan VFO/MHz KEY VFO MHz Inputs digit ‘0’ for frequency input, memory Push for 1 sec. to enter the set modeInputs digit ‘5’ for frequency input, memory Inputs digit ‘8’ for frequency input, memory @2STOP/PLAY ≈ ESIGNAL Squelch Indicators QBATTERY IndicatorWDUPLEX Indicators p Function display YAFC Indicator p RANL/NB Indicator pgsTLOCK Indicator p USKIP Indicators p Battery INSTALLATION/CHARGING Battery installation Regular charging Battery chargingBattery caution Charging caution CP-18A/E fuse replacement Rapid charging with the BC-156 VFO mode Frequency and Channel SettingMode selection Memory mode/PreSet*/TV*/Weather† channels Operating band selection 2425 Available frequency bands Tuning step selection Setting a tuning stepSetting a frequency Using the dial Using the keypad Frequency can be directly set via numeral keysEditting MHz to 1260.240 MHz Receive mode selection Lock function Basic Operation Setting audio volumeWhen a signal is received Receiving Squelch level setting Monitor functionPush and hold SQL to monitor the operating frequency Attenuator function RF gain Setting Duplex operationRotate R-DIALto select Duplex AFC function NB/ANL function Band scope Select the sweep steps, if desired Dial function assignment Single band operation Main band selection Band exchange Operating bands table for dualwatch operation Setting audio volume Squelch level setting Lower band’s squelch adjustment General description Memory channel contentsMemory Channels Memory channel programming Memory bank setting Push MR S.MW for 1 sec. to set the channel into the bank Memory bank selection Rotate R-DIALto select the bank channel Programming memory/bank name Rotate R-DIALto select the desired character Selecting memory/bank name Indication Available charactersDication type from bank name or memory name Copying memory contents Push MR S.MW for 1 sec. to clear the contents Memory clearing Erasing/transferring bank contents Full Scan p Scan OperationScan types FREQUENCY/MEMORY Skip Function p Select VFO mode with VFO MHz To start the scan, release Mode ScanFull/band/programmed scan Scan edges programming Memory/bank/all bank scan Select memory mode with MR S.MWRelease Mode Scan to start the selected scan To stop the scan, push Dualwatch Recalling the stored frequencies Auto-memory write scanDuring auto-memory write scanning Clearing the stored frequencies Skip channel/frequency setting Scan resume condition Scan pause timerPush Dualwatch to exit set mode SET Scan resume timer Priority Watch Priority watch typesAbout priority beep function Priority watch operation Push Dualwatch to exit set mode and start the watchPush Dualwatch to cancel the watch Select the desired memory channel VFO 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 Push 8 SET Tone squelch frequency/DTCS code settingAvailable Dtcs code list Available tone frequency list Dtcs polarity setting Tone scan Push 4 T-SCANfor 1 sec. to start the tone scan SET Mode Expanded set mode ON/OFFGeneral Set mode items Expanded set mode itemsGeneral set mode items Beep output level Priority watchKey-touch beep Display backlighting ANL function Power saveNoise blanker AF ﬁlter AM antenna selection No accessible key is available, exceptPower and Lock FM antenna selection Dial speed acceleration Auto power OFFDefault Monitor key action Scan stop beep Scan pause timerScan resume timer Turns the scan stop beep function on and OFF Duplex direction Scope audio outputOffset frequency Sets the audio output function while scope operation Dtcs polarity Tone frequencyDtcs code Available subaudible tone frequencies LCD contrast LCD contrast can be adjusted through 15 levelsMemory bank link Turns weather alert function on and OFF CI-V address CI-V baud rateCI-V transceive Antenna selection RPush Dualwatch to exit set modeOther Functions Selecting antenna Weather channel selection Turn the weather alert function OFF in set modeWeather channel operation Weather alert function Cloning using a personal computer Data cloningReceiver shows following indications Auto power-off function Cloning error Playing back recorded content IC recorderRecording a received audio Playback speed setting Recording set mode Quality setting REC Automatic recordingErasing recorded audio Same time, but cannot erase each track independently Partial reset Control Command Command tableData format Control Command CI-V compatible transceiver S.A. channels Frequency TableTV channels Ccir channels Zealand China channelsNew Channels Taiwan channels Indonesian channelsItalian channels FOT channels VHF marine channels Weather channelsunit MHz Other 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 Maintenance Troubleshooting Specifications General Options Options Driver Installation For Microsoft Windows XP Driver Installation Windows starts installing the USB driver After the installation is completed, click Finish 0Repeat step e to y For 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 Pocket Guide IR20 Release Mode Scan to start scan Declaration Conformity We Icom Inc. Japan #07 France Kamiminami, Hirano-ku, Osaka 547-0003, Japan