Assessments - 5, GPA: 4
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Facilidade de uso
%106'06R Preparation .................................................................. 2 Using Internal Batteries ........................................... 2 Using AC or DC Power ............................................ 2 Connecting the Antenna .......................................... 2 Attaching the Belt Clip ............................................. 2 Attaching the Wrist Strap ......................................... 2 Connecting a Microphone/Speaker ......................... 2 A Quick Look At the Display ........................................ 3 Operation ..................................................................... 4 Manual Conventions ................................................ 4 Turning On/Off the Transceiver ................................ 4 Setting the Squelch Level ........................................ 4 Temporarily Opening Squelch .................................. 4 Using the Universal Type Keys ................................ 4 Selecting Frequencies (Direct Tuning) and Receiving Transmissions .......................................................... 4 Transmitting ............................................................. 4 Understanding Repeaters ............................................ 5 Setting the Repeater Offset Frequency ................... 5 Turning Repeater Operation On/Off and Changing The Offset Direction ................................................. 5 Memory Operation ....................................................... 5 Storing a Transmit/Receive Frequency .................... 5 Recalling Memory Locations .................................... 5 Checking Memory Location Settings ....................... 6 Clearing a Single Memory ....................................... 6 Using the Calling-Frequency Memory ..................... 6 Scanning Operation ..................................................... 6 Scanning for Active Frequencies ............................. 6 Scanning Standard Memory Locations .................... 6 Skipping Memory Channels While Scanning ........... 6 Continuous Tone Coded Squelch System Features (CTCSS) ...................................................................... 6 Setting the CTCSS Tones ........................................ 6 Using the CTCSS Tones .......................................... 7 Using DTMF Code ....................................................... 7 Transmitting a DTMF Code ...................................... 7 Using the Transceiver with Packet Radio ................ 7 Locking the Keypad ................................................. 8 Lighting the Display ................................................. 8 Turning the Key Tone On and Off ............................ 8 Setting the Frequency Step ..................................... 8 Power Save ............................................................. 8 Using Auto Power Shutoff ........................................ 8 Limiting Transmit Duration (Time-Out Timer) ........... 8 Tuning the Weather Radio Frequencies .................. 8 Using the SAME Alert .............................................. 8 Using the Electronic Compass ................................. 9 Selecting the Transmit Power ................................ 10 Cross Band Channel Operation ............................. 10 Dual Watch ............................................................ 10 Receiving the Air Band .......................................... 10 Changing the Transmit Frequency Range ............. 10 FCC Information ........................................................ 10 Care ........................................................................... 10 ERR Display .......................................................... 10 Service and Repair .................................................... 11 Resetting the Transceiver ...................................... 11 Specifications ............................................................ 11 "+/2146#06"# If an icon appears at the end of a paragraph, go to the box on that page with the corresponding icon for pertinent information. o RRRRy — Warning — Important .— Caution oe ±±±± — Note oe ±±±±"016'"oe ±±±±"# You must have a Technician Class or higher Amateur Radio Operator's License, and a call sign issued by the FCC, to legally transmit using this transceiver. Transmitting without a license carries heavy penalties. Thank you for purchasing a RadioShack HTX-420 2-Meter/70 cm Dual Band FM Amateur Transceiver. Your transceiver is compact and rugged, making it easy to carry almost anywhere. The crystal controlled circuitry provides accurate and stable frequency selection, making it an ideal choice for your amateur communications needs. Electronic Compass — provides two letters to indicate direction (such as SW or NW) and up to three digits to show directional angle (such as 360°, 180°, 90° or 45°). See “Using the Electronic Compass” on page 9. Full 16-Key DTMF (Dual-Tone Multi Frequency...