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19-1205 OWNER’S MANUAL Please read before using this equipment. BTX-124 VHF FM Business Band Transceiver with CTCSS 19-1205.fm Page 2 Tuesday, August 3, 1999 10:30 AM FEATURES Your RadioShack BTX-124 VHF FM Business Band Transceiver with CTCSS is a portable, two-way business radio service transceiver that you can carry almost anywhere. The transceiver is compact and light, making it an ideal choice for your business needs. Your transceiver has these features: Programmable Channels A and B — let you operate the transceiver on two different frequencies. Preset Frequencies — let you quickly begin operation on either 154.600 MHz (Channel A, green dot) or 154.570 MHz (Channel B, blue dot). PLL-Controlled Circuitry — provides accurate and stable channel selection. Adjustable Squelch — helps eliminate noise between transmissions. CTCSS (Continuous Tone Control Squelch System) — helps reduce interference from other systems in the area operating on the same frequency. Built-In Modulation Limiter Circuit — automatically adjusts for a wide variety of voice levels to ensure an understandable transmission. High/Low Power — lets you save power by selecting a suitable transmitting power for long or short distances. Battery Low and Transmit Indicator — shows the battery pack’s condition and lights when you transmit or receive. Removable and Rechargeable Battery Pack — lets you use one battery pack while you charge another (additional packs available). Supplied Battery Charger — conveniently recharges your transceiver’s battery pack. Earphone Jack and External Microphone Jack — let you use an earphone or external microphone to help ensure understandable communications in noisy areas. Belt Pouch — protects your transceiver and lets you easily carry it on your belt. We recommend you record your transceiver’s serial number here. The number is on the back of the transceiver. Serial Number___________________ © 1997 Tandy Corporation. All Rights Reserved. RadioShack is a registered trademark used by Tandy Corporation. 2 19-1205.fm Page 3 Tuesday, August 3, 1999 10:30 AM CONTENTS FCC Regulations ................................................................................................... 4 FCC License Required ..................................................................................... 4 FCC Part 90 Rules ........................................................................................... 4 Preparation ............................................................................................................ 6 Charging the Battery Pack ............................................................................... 6 Checking the Battery Power ...................................................................... 7 Using the Belt Clip ........................................................................................... 7 Using an Earphone .......................................................................................... 7 Connecting an Antenna ................................................................................... 8 Using an External Microphone ......................................................................... 8 Operation ............................................................................................................... 9 Why Use CTCSS? ......................................................................................... 10 Operational Hints ........................................................................................... 10 Additional FCC Regulations .............................................................................. 11 Maintenance ........................................................................................................ 12 Specifications ..................................................................................................... 13 3 19-1205.fm Page 4 Tuesday, August 3, 1999 10:30 AM FCC REGULATIONS FCC LICENSE REQUIRED The Federal Communications Commission (FCC) requires you to have a license before you operate this transceiver. Unless you qualify to operate on the supplied frequencies, you must apply for a frequency through the PCIA (Personal Communication Industry Association), a non-profit organization that assigns frequencies nationwide to help prevent conflicts between different businesses using transceivers in the same area. For more information about getting a license, contact the PCIA at 800-759-0300, extension 3068 (in Virginia 703-739-0300, extension 3068). For other questions concerning the license application, contact the FCC at 717-337-1212, or write: FCC P.O. Box 1040 Gettysburg, PA 17325 For the latest FCC application form and instructions, call the FCC’s fax-on-demand service from a fax machine at 1202- 418-0177 and request one or more of the following documents: All forms and instructions Form 600 instructions only Main Form 600 only Form 600 schedules only 000600 006001 006002 006003 4 If you do n...