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Radio Shack HTX-242 owner manual Microphone Schematic

Models: HTX-242

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MICROPHONE SCHEMATIC

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Radio Shack HTX-242 owner manual Microphone Schematic

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 Unpacking the Transceiver InstallationConnecting the Microphone 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 Dual VFO Modes Dtmf Touch-Tone FeaturesUnderstanding the HTX-242 Memory Channels Subaudible Tone Ctcss FeaturesRepeater Operation 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 Directly Entering a Frequency Tuning to a FrequencySelecting a Frequency Scanning for a Frequency Setting the Frequency Step Storing Scan Skip Frequencies Setting the Scan OptionsSetting the Scan Resume Condition 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 Overriding the Duplex Offset Changing the Default OffsetReversing the Offset Using the Dual VFOs for Duplex Operation Storing a Frequency Using Memory ChannelsChanging Stored Settings Using Auto Memory Store AMS Checking Priority Channel Tuning to a Standard Memory ChannelUsing the Calling-Frequency Memory Enabling/Disabling Scanning for Memory Channels Scanning Memory ChannelsClearing a Memory Channel Transmitting a Dtmf Sequence Using Dtmf and Subaudible TonesStoring a Dtmf Sequence Name Assignment Dtmf Page Sequence Using DtmfUsing Group Calling 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 Receiver SpecificationsGeneral Transmitter Schematics RF Schematic Digital Schematic Microphone Schematic Radio Shack Division of Tandy Corporation Fort Worth, Texas