RadioShack BTX-128 - Manuals

6 FCC Regulations same area. For more information aboutgetting a license, contact the PCIA at800-759-0300, extension 3068 (in Virgin-ia 703-739-0300, extension 3068). For other questions concerning the li-cense application, contact the FCC at717-337-1212, or write: FCC P.O. Box 1040 Gettysburg, PA 1...

7 FCC Regulations If you do not have a fax machine, you cancall the Government Forms DistributionCenter at 1-800-418-FORM and requestthat the form and instructions be mailedto you. FCC PART 90 RULES You must be familiar with Part 90 of FCC Rules before you operate your transceiv-er. The operation in...

8 FCC Regulations Overall, Part 90 states that: • You must have a valid license before you use the transceiver. • As licensee, you are responsible for proper operation of all transceiversoperating under your license author-ity. • You can let unlicensed persons oper- ate this transmitter, as long as ...

9 FCC Regulations • You must always yield the operating frequency to communications thatinvolve the safety of life or property. • You must take reasonable precau- tions to prevent harmful interferenceto other services operating on thesame frequency. • You must not transmit program material of any ki...

10 FCC Regulations • During each transmission or exchange of transmissions, youmust identify your station with thecall sign issued to you by the FCC,or once each 15 minutes during peri-ods of continuous operation. • You must keep a written record of any maintenance or modificationmade to the transce...

11 FCC Regulations • reorient or relocate the receiving antenna • increase the distance between the equipment and the radio or TV • use outlets on different electrical cir- cuits for the equipment and the radioor TV Consult your local RadioShack store ifthe problem still exists. You must use shielde...

12 FCC Regulations performance of the transceiver so it nolonger meets the original FCC type ac-ceptance or would change the frequency-determining method are strictly prohibit-ed. Replacement or substitution of crystals,transistors, integrated circuits, regulatordiodes, or any other component that i...

13 A Quick Look at Your Transceiver FCC Rules prior to operating your trans-ceiver. It is the user's responsibility to seethat this unit is operating at all times inaccordance with the FCC Rules. ˆ A Quick Look at Your Transceiver CHANNEL A/B VOLUME/OFF TX/BATT EAR/MIC MON PTT 19-1207.fm Page 13 Fri...

14 Preparation ˆ Preparation INSTALLING THE BATTERY PACK The supplied Ni-MH battery pack, whenfully charged, provides power to yourtransceiver for up to 10 hours. You mustinstall the battery pack into your trans-ceiver, then charge it. Caution: Do not remove the plastic wrapfrom the battery pack. Do...

15 Preparation ment cover in the direction of thearrows and lift it off. 2. Plug the battery pack’s connector into the connector inside the batterycompartment. Then place the batterypack in the compartment. Note: The connector fits only oneway. Do not force it. 3. Replace the battery compartment cov...

16 Preparation To ensure maximum range, operate thetransceiver with the battery pack fullycharged. As the voltage decreases, therange decreases. Caution: The supplied 12V DC, 200 mAbattery charger was designed specificallyfor your transceiver. Use only the sup-plied battery charger. 1. Turn VOLUME/O...

17 Preparation battery power remaining. Rechargethe battery pack. 3. Unplug the AC adapter from the AC outlet after the battery is fullycharged. Caution: Although the battery pack is de-signed to be charged using the suppliedbattery charger for up to a year, do notcharge the battery pack longer than...

18 Preparation 2. Press the antenna down over the jack and turn the antenna’s baseclockwise until it locks into place. 3. To detach the antenna, turn the antenna’s base counterclockwise.Then lift off the antenna. Connecting an Optional Antenna Although the supplied rubber duck anten-na provides exce...

19 Preparation USING THE BELT CLIP The supplied belt clip lets you easily at-tach the transceiver to your belt. Slide the belt clip onto the tab at the backof the transceiver until it clicks. To re-move the clip, pull up on its middle taband slide it down. CONNECTING AN EARPHONE/EXTERNAL SPEAKER To ...

20 Preparation This automatically disconnects the built-in speaker. Listening Safely To protect your hearing, follow theseguidelines when you use an earphone. • Set the volume to the lowest setting before you begin listening. After youbegin listening, adjust the volume toa comfortable level. • Do no...

21 Preparation comfort might still damage yourhearing. Traffic Safety Do not use an earphone with your trans-ceiver when operating a motor vehicle orriding a bicycle in or near traffic. Doing socan create a traffic hazard and could beillegal in some areas. If you use an earphone with your trans-ceiv...

22 Preparation USING AN EXTERNAL SPEAKER/MICROPHONE An external speaker/microphone canmake it easier to use the transceiverwhen you clip it to your belt, so you donot have to lift the transceiver to yourmouth each time you transmit. Pull up therubber cover from the EAR and MIC jacks and plug the spe...

23 Preparation trol Squelch System) frequency and setyour transceiver to use it. 1. Set your transceiver to a UHF busi- ness band frequency (see “Setting aUHF Business Band Frequency” onPage 23). 2. Select a quiet tone frequency then set the DIP switches to that fre-quency (see “Using a Quiet ToneFr...

24 Preparation • 464.50 MHz (Brown Dot) • 464.550 MHz (Yellow Dot) • 467.7625 MHz (J Dot) • 467.8125 MHz (K Dot) • 467.850 MHz (Silver Star) • 467.875 MHz (Gold Star) • 467.900 MHz (Red Star) • 467.925 MHz (Blue Star) Channel A is preset to 464.550 MHz andChannel B is preset to 464.500 MHz. Youcan s...

25 Preparation Note: Be sure the battery pack isconnected. 3. Hold down PTT and MON , then turn VOLUME/OFF clockwise to turn on the transceiver. The transceiverbeeps once. 4. Press MON once. The transceiver sounds a two-tone sequence. 5. Rotate CHANNEL A/B to select the channel you want to set. 19-1...

26 Preparation 6. Choose a UHF dot frequencyfrom the list onPage 24. Thenuse a pointedobject such asa straightenedpaper clip toset the posi-tion of eachDIP switch to 1(up) or 0 (down) as indicated in thefollowing table. Channel Number Frequency (MHz) DIP Switch Setting 0 = down 1 = up 1 464.5000 000...

27 Preparation 7. Press MON once. If the DIP switch setting is correct, the transceiversounds a three-tone sequence. If theDIP switch setting is incorrect, thetransceiver beeps once. 8. Turn the transceiver off then on. Note: If you do not turn off the transceiv-er to reset the power, the original f...

28 Preparation the frequencies listed on Page 24, youcan take your transceiver to an autho-rized facility to set your transceiver to afrequency you have a license to use. ABOUT QUIET TONE Quiet tone helps eliminate interferencebetween different users of the same fre-quency, letting you talk and list...

29 Preparation and code. This tone is too low for you tohear, but other transceivers can detect it. Once you set a quiet tone on the trans-ceiver, it only receives those transmis-sions that include the same tone. If twodifferent groups operate transceivers inthe same area on the same frequency,they ...

30 Preparation 3. Choose a quiet tone code from the following table, then use a pointedobject such as a straightened paperclip to set the position of each DIPswitch to 1 (up) or 0 (down) as indi-cated in the following table. Quiet Code Frequency (Hz) DIP Switch Setting 0 = down 1 = up None 000000 1 ...

31 Preparation Quiet Code Frequency (Hz) DIP Switch Setting 0 = down 1 = up 11 97.4 001011 12 100.0 001100 13 103.5 001101 14 107.2 001110 15 110.9 001111 16 114.8 010000 17 118.8 010001 18 123.0 010010 19 127.3 010011 20 131.8 010100 21 136.5 010101 22 141.3 010110 23 146.2 010111 24 151.4 011000 2...

32 Preparation 4. Replace the plastic cover and the battery compartment cover. Thenturn VOLUME/OFF clockwise until it 27 167.9 011011 28 173.8 011100 29 179.9 011101 30 186.2 011110 31 192.8 011111 32 203.5 100000 33 210.7 100001 34 218.1 100010 35 225.7 100011 36 233.6 100100 37 241.8 100101 38 250...

33 Operation clicks to turn on the transceiver. Thetransceiver sets the quiet tone code. Note: If the DIP switch setting is notlisted in the table on Pages 30–32,no tone is set. ˆ Operation Notes: • You can only communicate with another transceiver that is using thesame channel and/or the same quiet...

34 Operation completely block the signals. Treesand heavy cloud formations have asimilar effect, though not as severe. 1. Turn VOLUME/OFF clockwise to turn on the transceiver. The TX/BATTindicator flashes green about onceper second. 2. Rotate CHANNEL A/B to select the preset channel A or B. 3. To tr...

35 Care sounds an alert tone. The TX/BATTindicator flashes green. 4. To hear everything that happens on the channel including weak transmis-sions, press MON . 5. Turn VOLUME/OFF fully counter- clockwise until it clicks to turn off thetransceiver. ˆ Care Modifying or tampering with the trans-ceiver’s...

36 Specifications ˆ Specifications Frequency Range .. 461.0375–469.5625 MHz Channels ...................................................... 2 Modulation Type ........................................ FM Power Supply .......................... 6V, 1400 mAh Ni-MH battery pack Channel Bandwidth ...........

38 Notes ˆ Notes 19-1207.fm Page 38 Friday, November 10, 2000 11:04 AM