Icom IC-R20 Basic Operation, Receiving, Setting audio volume, When a signal is received

Page 30

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

Contents IR20 May occur Some frequency bands are inhibited according to versionAuto write and 50 scan edge channels are included Equipment damage may occurPrecaution Operate this device under FCC regulationsSupplied Accessories Table of Contents Quick Reference Guide Batteries installationBattery pack installation PreparationsBelt clip Swivel belt clip OptionAntenna Third-party antennas may in- crease receiver performanceYour ﬁrst scanning Charging the batteryAbout default setting ExperienceBasic operation Adjusting audio levelAdjusting squelch level Turning on the receiverMemory programming Setting frequencyReceive mode selection Selecting a memory channelSelecting a scan edge channel B Programmed scan operationProgramming scan edges Writing a memory channel Selecting a scan edge channel aStarting scan Starting scan Select VFO modeCancelling scan Selecting a scanning typePanel Description Front, top and side panelsIRIGHT Dial R-DIAL EPOWER KEY PowerULEFT Dial L-DIAL QDUALWATCH/CLEAR KEY DualwatchVOLUME/DIAL KEY 1 DIAL.SEL Or 10 MHz tuning steps pMODE/SCAN KEY Mode Scan VFO/MHz KEY VFO MHzInputs 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 displayYAFC Indicator p RANL/NB Indicator pgsTLOCK Indicator p USKIP Indicators pBattery INSTALLATION/CHARGING Battery installationRegular charging Battery chargingBattery caution Charging cautionCP-18A/E fuse replacement Rapid charging with the BC-156VFO mode Frequency and Channel SettingMode selection Memory mode/PreSet*/TV*/Weather† channelsOperating band selection 2425 Available frequency bandsTuning step selection Setting a tuning stepSetting a frequency Using the dialUsing the keypad Frequency can be directly set via numeral keysEditting MHz to 1260.240 MHz Receive mode selection Lock functionBasic Operation Setting audio volumeWhen a signal is received ReceivingSquelch level setting Monitor functionPush and hold SQL to monitor the operating frequency Attenuator function RF gainSetting Duplex operationRotate R-DIALto select Duplex AFC function NB/ANL functionBand scope Select the sweep steps, if desiredDial function assignment Single band operationMain band selection Band exchange Operating bands table for dualwatch operationSetting audio volume Squelch level setting Lower band’s squelch adjustmentGeneral description Memory channel contentsMemory Channels Memory channel programmingMemory bank setting Push MR S.MW for 1 sec. to set the channel into the bankMemory bank selection Rotate R-DIALto select the bank channelProgramming memory/bank name Rotate R-DIALto select the desired characterSelecting 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 clearingErasing/transferring bank contents Full Scan p Scan OperationScan types FREQUENCY/MEMORY Skip Function pSelect 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 DualwatchRecalling the stored frequencies Auto-memory write scanDuring auto-memory write scanning Clearing the stored frequenciesSkip channel/frequency setting Scan resume condition Scan pause timerPush Dualwatch to exit set mode SETScan 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 channelVFO 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 listDtcs polarity setting Tone scan Push 4 T-SCANfor 1 sec. to start the tone scanSET Mode Expanded set mode ON/OFFGeneral Set mode items Expanded set mode itemsGeneral set mode items Beep output level Priority watchKey-touch beep Display backlightingANL function Power saveNoise blanker AF ﬁlterAM antenna selection No accessible key is available, exceptPower and Lock FM antenna selectionDial speed acceleration Auto power OFFDefault Monitor key actionScan stop beep Scan pause timerScan resume timer Turns the scan stop beep function on and OFFDuplex direction Scope audio outputOffset frequency Sets the audio output function while scope operationDtcs polarity Tone frequencyDtcs code Available subaudible tone frequenciesLCD contrast LCD contrast can be adjusted through 15 levelsMemory bank link Turns weather alert function on and OFFCI-V address CI-V baud rateCI-V transceive Antenna selection RPush Dualwatch to exit set modeOther Functions Selecting antennaWeather channel selection Turn the weather alert function OFF in set modeWeather channel operation Weather alert functionCloning using a personal computer Data cloningReceiver shows following indications Auto power-off function Cloning errorPlaying back recorded content IC recorderRecording a received audio Playback speed setting Recording set mode Quality settingREC Automatic recordingErasing recorded audio Same time, but cannot erase each track independentlyPartial reset Control Command Command tableData format Control Command CI-V compatible transceiverS.A. channels Frequency TableTV channels Ccir channelsZealand China channelsNew ChannelsTaiwan channels Indonesian channelsItalian channels FOT channelsVHF marine channels Weather channelsunit MHzOther 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 TroubleshootingSpecifications GeneralOptions OptionsDriver Installation For Microsoft Windows XPDriver Installation Windows starts installing the USB driver After the installation is completed, click Finish 0Repeat step e to yFor 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 IR20Release Mode Scan to start scan Declaration Conformity We Icom Inc. Japan#07 France Kamiminami, Hirano-ku, Osaka 547-0003, Japan