Kenwood TM-V71A, TM-V71E instruction manual Continuous Tone Coded Squelch System Ctcss, Using Ctcss

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CONTINUOUS TONE CODED SQUELCH SYSTEM (CTCSS)

You may sometimes want to hear calls only from specific persons. The Continuous Tone Coded Squelch System (CTCSS) allows you to ignore (not hear) unwanted calls from other persons who are using the same frequency. To do so, select the same CTCSS tone as selected by the other persons in your group. A CTCSS tone is subaudible and is selectable from among 42 tone frequencies.

Note: CTCSS does not cause your conversation to be private. It only relieves you from listening to unwanted conversations.

USING CTCSS

1Select your desired band.

2Press [TONE] 2 times to activate the CTCSS function.

•The icon appears on the display when the CTCSS function is ON.

•Each press of [TONE] changes the selection as follows: Tone (T) –> CTCSS (CT) –> DCS (DCS) –> Off (no display).

3Press [F], [TONE].

•The current CTCSS frequency appears on the display and blinks.

4Rotate the Tuning control to select your desired CTCSS frequency.

•Refer to the table below for the available frequencies.

•To exit the CTCSS frequency selection, press [F] (ESC).

5Press any key other than the Tuning control and [F] (ESC) to complete the setting.

6When you are called: The transceiver squelch opens only when the selected CTCSS tone is received.

When you make a call: Press and hold [PTT], then speak into the microphone.

•To cancel CTCSS, press [TONE] until CT no longer appears on the display.

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Contents 144/430 MHz FM Dual Bander 144/440 MHz FM Dual BanderThis transceiver has the following main features FeaturesThank You Writing Conventions Followed in this ManualOne or more of the following statements may be applicable When Condensation Occurs Inside the TransceiverPrecautions Contents Using Ctcss Ctcss Frequency ID Using DCS DCS Code IDManual Dialing Automatic dialer VGS-1 Optional Voice Guide & Storage Unit Dtmf Key LockOptions Mobile Installation Supplied AccessoriesPreparation Part Number QuantityMobile Operation Power Cable ConnectionFixed Station Operation Supplied DC power cable Located on the DC connectorReplacing Fuses Fuse Location Fuse Current RatingAntenna Connection Front Panel Orientation Accessory Connections External SpeakersMicrophone Front Panel Getting AcquaintedLOW REVPF1 0PF2Display Indicator DescriptionAppears while accessing the Menu Sub-Panel Rear PanelMicrophone MC-59 Adjusting the Volume Switching the Power ON/ OFFPress the switch to switch the transceiver on Press the switch again to switch the transceiver OFFAdjusting the Squelch Selecting a BandBand a left Band SEL control Band B right Band SEL control Selecting Dual band mode/ single band Mode Frequency ranges Selecting a frequency bandSelecting an Operating mode VFO ModeMemory Channel Mode Press Call to enter Call Channel mode Call Channel ModeWhen you finish speaking, release the PTT switch TransmittingMenu Access Menu ModeMenu Configuration Press F, Tuning control to access the MenuANN.SPD DT.SPD MIC.LCK Press the Tuning control to set the selected character Rotate the Tuning control to select your desired characterCharacter Entry Repeat steps 2 and 3 to enter the remaining charactersKey Character Display with each press of the key Microphone Keypad Character EntryRepeater Access Operating Through RepeatersSelecting an Offset Direction Activating the Tone Function Selecting an Offset FrequencySelecting a Tone Frequency Rotate the Tuning control to select your desired frequencyPress F, Tone FrequencyAutomatic Repeater Offset K and E Types Only Transmitting a 1750 Hz Tone Reverse FunctionAutomatic Simplex Checker ASC Press F, Tone 1s to run the Tone Frequency ID scan Tone Frequency IDMemory Channels Simplex & Repeater or ODD-SPLIT Memory CHANNEL?Parameter Simplex Odd-split Storing Simplex and Standard Repeater Frequencies Storing Odd-Split Repeater FrequenciesCall Channel Memory Simplex Recalling a Memory Channel Call Channel Memory Odd-SplitMemory Recall Method Press MR + Power on Turn the transceiver power OFFPress the Tuning control to clear the Memory channel Clearing a Memory ChannelMemory-TO-VFO TRansfer Switching the Memory Name/ Frequency DisplayChannel Display FUnction Press F, VFOKEY KEY 1s While KEY + Key NameProgrammable Memory PM Application Examples Storing Data in PM Channels Recalling PM ChannelsPress F, PM Press F + Power on PM Channel ResetPress the Tuning control again to reset the PM channels Auto PM Channel storeScan Type Scan Range ScanVFO Scan Selecting a Scan Resume MethodLocking Out a Memory Channel Memory ScanPress MR 1s To quit Memory Scan, press MR againGroup Scan To quit Group Scan, press the Tuning control againMemory Group Link Memory Group Channel RangeSetting Scan Limits Program ScanPress VFO To quit Program Scan, press VFO again Using Program ScanMHz Scan To quit MHz Scan, press the Tuning control againCall Scan To quit Call Scan, press Call againContinuous Tone Coded Squelch System Ctcss Using CtcssPress Enter again to complete the setting Press F, Tone 1s Ctcss FREQuency IDUsing DCS Rotate the Tuning control to select your desired DCS codeDigital Coded Squelch DCS DCS Code DCS Code ID Manual Dialing Dual Tone MULTI-FREQUENCY DtmfDtmf Hold 1209 1336 1447 1633 697 770 852 941Storing a Dtmf Code in Memory Automatic DialerSelecting a Transmit Speed Transmitting Stored Dtmf CodesSelecting a Pause Duration Dtmf Key LockStoring EchoLink memory What is EchoLink?Transmitting EchoLink Memory EchoLink Sysop Mode on TM-V71 Setting Up EchoLink Sysop ModeEchoLink Sysop Mode OFF TM-V71 TxD RxDAuxiliary Functions POWER-ON MessageDisplay Brightness Auto Display BrightnessBacklight Color Key LockMicrophone Key Lock To turn Key Lock on or OFF, press F 1sBeep Volume Key BeepProgrammable VFO Changing the Frequency Step Size Programmable Function Keys Transceiver Front PanelMicrophone Keys Frequency Direct Entry Automatic Power OFF APOMeter Squelch Advanced Intercept Point AIPSquelch Hang Time Switching FM/AM Mode Beat ShiftSpeaker Mute Selecting an Output Power TIME-OUT Timer TOTMute Hang Time Setup External Speaker ConfigurationMasking a Band Speaker Band OutputDisplay Partition Bar Weather Channel Weather Alert K Type Models OnlyChannel No Memory Name LocationEnter your password Power On PasswordVoice Announcements VGS-1 Optional Voice Guide & Storage UnitOperation Announcement Current frequency/codeAuto Voice Announcement Volume Voice Announcement LanguageVoice Announcement Speed Voice Memos Voice RecorderConversation Recorder Playback Playback RepeatPlayback Repeat Interval CROSS-BAND/ LOCKED-BAND Operation K Type Models only Press Tone + Power onRepeater Hold Repeater IDEntering your Repeater ID Packet Operation Data terminal pinsData Band Data Terminal SpeedPC Port Speed SQC Output SettingPreparation Wireless Operation K Type Models onlyControl Operation Operation Dtmf CommandTransceiver Reset Menu Mode Using the MCP-2A software, you can Using the MCP-2A SoftwareOptions Memory control program MCP-2AInstalling the DFK-3D panel kit Connecting the PG-5G/ PG-5H interface cablesInstalling the Sub-Panel PC terminal pinsClean and dry the installation location Installing the Panel BracketConnect the supplied sub-panel to Operation panelConnecting Using a Single Extension Kit Connecting the PG-5F extension cableConnecting Using Two Extension Kits Installing the Line FilterInstalling the VGS-1 Unit Insert the VGS-1 unit into the connector On the transceiverFrom the remaining cushions, select Service MaintenanceService Note CleaningTroubleshooting Problem Probable Cause Corrective ActionUP/DWN Specifications GeneralType M4 Type Receiver Transmitter