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Radio Shack HTX-242 owner manual

Models: HTX-242

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Page 15

+or – — indicates the duplex offset direction. See “Overriding the Duplex Offset” on Page 26.

DTMF — appears when you turn on DTMF squelch. See “Using DTMF Page” on Page 33.

HIGH or LOW — indicates the transmit power level. See “Setting the Power Level” on Page 17.

ON-AIR— appears when you transmit. See “Transmitting” on Page 22.

— appears when you turn on the Channel 1 alarm. Flashes when there is a transmission on Memory Channel 1 and the alarm is turned on. See “Checking Priority Channel 1” on Page 30.

M-CH— appears when you tune to a memory channel. See “Mem- ory Channels” on Page 13.

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Radio Shack HTX-242 owner manual

Contents

HTX-242 TWO-METER Mobile Trans Ceiver Introduction Features Using this Manual Contents Specifications Schematics Using Memory ChannelsUsing Dtmf and Subaudible Tones Using the Menu Troubleshooting Installation Connecting the MicrophoneUnpacking the Transceiver Mounting the HTX-242 in a Vehicle Connecting an Antenna Connecting to your Vehicle’s Power Using the HTX-242 as a Base Station Connecting an External Speaker Optional Using the HTX-242 with Packet Radio Dtmf Touch-Tone Features Understanding the HTX-242Dual VFO Modes Subaudible Tone Ctcss Features Repeater OperationMemory Channels VFO-A-T Understanding the DisplayPage Extending the Transmit Frequency Range Resetting the HTX-242Basic Operation Turning On/Off Your HTX-242 Locking the Controls Setting Volume and SquelchUsing the Light Setting the Power Level Tuning to a Frequency Selecting a FrequencyDirectly Entering a Frequency Scanning for a Frequency Setting the Frequency Step Setting the Scan Options Setting the Scan Resume ConditionStoring Scan Skip Frequencies Setting the Scanning Range Setting the Scan Resume Delay Transmitting Receiving Transmissions Transmitting Dtmf Tones from Memory Manually Transmitting Dtmf Tones Limiting Transmit Duration Turning the Keytone Beep On and Off Receive Frequency Transmit Offset Frequency Offset DefaultsAdvanced Operation Turning Auto Duplex On and Off Changing the Default Offset Reversing the OffsetOverriding the Duplex Offset Using the Dual VFOs for Duplex Operation Using Memory Channels Changing Stored SettingsStoring a Frequency Using Auto Memory Store AMS Tuning to a Standard Memory Channel Using the Calling-Frequency MemoryChecking Priority Channel Scanning Memory Channels Clearing a Memory ChannelEnabling/Disabling Scanning for Memory Channels Using Dtmf and Subaudible Tones Storing a Dtmf SequenceTransmitting a Dtmf Sequence Using Dtmf Using Group CallingName Assignment Dtmf Page Sequence Using Auto-Reply Using Dtmf Auto Send Code Freq. Hz Using Subaudible TonesSetting the Subaudible Tones Valid Subaudible Tones Activating Subaudible Tone Transmit and Squelch Setting the Dtmf Page and Subaudible Tone Alert Using the Menu OFF Menu Default Explanation/Available Settings Option Problem Possible Solutions TroubleshootingError Codes Common Problems and Solutions Replacing the Fuse Specifications GeneralReceiver Transmitter Schematics RF Schematic Digital Schematic Microphone Schematic Radio Shack Division of Tandy Corporation Fort Worth, Texas