Radio Shack HTX-10 Owner's Manual
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Radio Shack HTX-10 Owner's Manual

10-meter transceiver
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A
Cat. No. 19-1110
OWNER'S MANUAL
Please read before using this equipment.
HTX-10
10-Meter Transceiver

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Summary of Contents for Radio Shack HTX-10

  • Page 1 Cat. No. 19-1110 OWNER’S MANUAL Please read before using this equipment. HTX-10 10-Meter Transceiver...
  • Page 2 FEATURES Your RadioShack HTX-10 10-Meter Transceiver is ideal for use in your vehicle. Its 25-watt SSB/FM and 7-watt AM output pro- vides the power you need to communicate, and its tuner covers the entire 10-meter Amateur Radio band (including the 28.3 to 28.5 MHz Novice band).
  • Page 3 Important: 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 li- cense carries heavy penalties. Getting a license is easier than ev- er.

  • Page 4: Fcc Information

    MANUAL CONVENTIONS Your transceiver’s buttons perform multiple functions. The abbre- viation or symbol for a function is printed on, below, or above each button. To activate certain transceiver features, you must press PUSH (function) then another button. FUNC Button names are printed in this manual in small, bold, capital let- ters (such as ).

  • Page 5: Table Of Contents

    CONTENTS Introduction to Amateur Radio ..........6 Preparation ................8 Attaching the Microphone Holder ........8 Mounting the Transceiver ..........8 Connecting an Antenna ..........10 Connecting the Microphone ..........12 Connecting an Optional External Speaker ...... 12 Using Vehicle Battery Power .......... 13 Using the Transceiver as a Base Station ......

  • Page 6: Introduction To Amateur Radio

    19-1110.fm Page 6 Friday, March 24, 2000 9:42 AM INTRODUCTION TO AMATEUR RADIO This transceiver is a great intermediate-level tool for the experi- enced amateur radio operator. The transceiver opens a door for you to the world from almost anywhere! All you need is an Ama- teur Radio Operator’s License (Novice Class, or Technician Plus, or higher) issued by the Federal Communications Commission (FCC).
  • Page 7 A Novice Class or Technician Plus (or higher) license lets you use the HTX-10 to communicate directly with other operators. Amateur radio is a great hobby that has enriched the lives of mil- lions of people all over the world. The ARRL would be glad to hear...

  • Page 8: Preparation

    MOUNTING THE TRANSCEIVER The most common mounting location for this transceiver is under a vehicle's dashboard. If you use the HTX-10 as a base station, however, you can place it on a desk, shelf, or table (see “Using the Transceiver as a Base Station” on Page 14).
  • Page 9 19-1110.fm Page 9 Friday, March 24, 2000 9:42 AM If you are mounting the transceiver in a vehicle, choose a loca- tion where: • you can easily reach the transceiver. • wires and cables are clear of the vehicle's pedals or other moving parts.

  • Page 10: Connecting An Antenna

    19-1110.fm Page 10 Friday, March 24, 2000 9:42 AM 4. Attach the transceiver to the mounting bracket using the supplied rubber washers and mounting knobs. (Rubber washers not shown) CONNECTING AN ANTENNA There are many different types of transceiver antennas for mobile transceivers.
  • Page 11 19-1110.fm Page 11 Friday, March 24, 2000 9:42 AM Once you choose an antenna, follow its mounting instructions. Then route the cable to the transceiver and con- nect the cable to the jack on the back of the transceiver. Cautions: •...

  • Page 12: Connecting The Microphone

    19-1110.fm Page 12 Friday, March 24, 2000 9:42 AM CONNECTING THE MICROPHONE 1. Align the slot on the bottom of the microphone’s plug with the ridge inside the jack. Then fully insert the plug into the jack. 2. Turn the plug’s locking nut clock- wise to tighten it.

  • Page 13: Using Vehicle Battery Power

    19-1110.fm Page 13 Friday, March 24, 2000 9:42 AM To connect the external speaker to the transceiver, insert the speaker's plug into the jack on the back of the transceiver Note: Connecting external speaker disconnects the transceiv- er's internal speaker. USING VEHICLE BATTERY POWER Follow these steps to connect the transceiver to your vehicle’s bat-...

  • Page 14: Using The Transceiver As A Base Station

    19-1110.fm Page 14 Friday, March 24, 2000 9:42 AM Caution: Do not connect the black wire to a non-metallic (plastic) part, or to any part insulated from the vehicle's chassis by a non-metallic part. 3. Connect the single connector end of the power cord to the connector on the back of the transceiver.
  • Page 15 19-1110.fm Page 15 Friday, March 24, 2000 9:42 AM Follow these steps to install the transceiver as a base station. 1. Mount the base station antenna as described in its owner's manual. Warning: Use extreme caution when you install or remove a base station antenna.

  • Page 16: A Quick Look At The Controls

    19-1110.fm Page 16 Friday, March 24, 2000 9:42 AM A QUICK LOOK AT THE CONTROLS — turns the radio on/off; adjusts the volume OFF/VOLUME — attenuates strong signals; reduces the micro- RF-G/MIC-G phone’s gain and SSB transmitting power — selects the frequency tuning step; turns the noise STEP/NB/1 blanker on/off;...

  • Page 17: Operation

    19-1110.fm Page 17 Friday, March 24, 2000 9:42 AM OPERATION SETTING SQUELCH AND RECEIVING 1. Rotate fully counterclockwise. SQUELCH 2. Rotate fully clockwise. RF-G 3. To turn on the transceiver, rotate clockwise OFF/VOLUME until it clicks. The display lights and the frequency appears. A bar graph also appears which shows the received signal’s strength.

  • Page 18: Transmitting

    19-1110.fm Page 18 Friday, March 24, 2000 9:42 AM Note: If the transceiver picks up unwanted weak transmis- sions, rotate slightly counterclockwise to decrease the RF-G transceiver’s sensitivity to signals. The transceiver blocks the weak transmissions. 6. Repeatedly press to select the desired band (FM, MODE AM, USB (upper sideband), or LSB (lower sideband)).

  • Page 19: Notes On Ssb Reception

    19-1110.fm Page 19 Friday, March 24, 2000 9:42 AM 3. To transmit, hold down the push-to-talk button on the micro- phone, hold the microphone 2–3 inches from your mouth, and speak in a normal tone of voice. appears along with a bar graph which shows the strength of your transmission.

  • Page 20: Special Features

    19-1110.fm Page 20 Friday, March 24, 2000 9:42 AM SPECIAL FEATURES USING THE SPECIAL FEATURES Your transceiver has several advanced features that give you ad- ditional control and convenience while using it. This list provides additional information about your transceiver’s special features.

  • Page 21: Using Step

    19-1110.fm Page 21 Friday, March 24, 2000 9:42 AM Feature See: RF-G (RF Gain) — attenuates strong Page 26 signals. MIC-G (Microphone Gain) — Page 26 reduces the microphone gain and SSB transmitting power, Using STEP Repeatedly press to select the frequency step your trans- STEP ceiver displays when it shows a frequency.

  • Page 22: Using Call

    19-1110.fm Page 22 Friday, March 24, 2000 9:42 AM Using CALL The transceiver’s call memory lets you quickly recall a specific frequency in memory Channel 2. Note: See “Using M-SAVE (Memory Save)” on Page 25 for more information about storing a frequency in memory channel 2. Press to recall the stored frequency at any time.

  • Page 23: Using Lcr (Last Channel Recall)

    19-1110.fm Page 23 Friday, March 24, 2000 9:42 AM Using LCR (Last Channel Recall) Press to return to the last channel you selected. Using M-LOAD You can recall frequencies stored in memory Channels 1–5. Note: See “Using M-SAVE (Memory Save)” on Page 25 for more information about storing frequencies in memory channels.

  • Page 24: Using Shift

    19-1110.fm Page 24 Friday, March 24, 2000 9:42 AM Using SHIFT The transceiver’s shift function lets you set the transmit frequency shift from the receive frequency in either direction within the range of 0.0 Hz to 990 kHz. Follow these steps to set the frequency shift direction and offset frequency.

  • Page 25: Using M-Save (Memory Save)

    19-1110.fm Page 25 Friday, March 24, 2000 9:42 AM Using M-SAVE (Memory Save) Follow these steps to save up to five frequencies into memory channels. 1. Select the desired frequency. 2. Press then appears. PUSH FUNC M-SAVE 3. While appears, press the desired memory channel num- ber.

  • Page 26: Using Rf-G (Rf Gain)

    19-1110.fm Page 26 Friday, March 24, 2000 9:42 AM Using RF-G (RF Gain) When you receive an extremely strong signal, rotate coun- RF-G terclockwise to attenuate the signal. Using MIC-G (Microphone Gain) Rotate to adjust the transmitter’s microphone gain and MIC-G SSB transmitting power for the best audio quality.

  • Page 27: Care And Maintenance

    19-1110.fm Page 27 Friday, March 24, 2000 9:42 AM CARE AND MAINTENANCE Your HTX-10 10-Meter Transceiver is an example of superior design and craftsmanship. The following suggestions will help you care for your transceiver so you can enjoy it for years.

  • Page 28: Troubleshooting

    19-1110.fm Page 28 Friday, March 24, 2000 9:42 AM TROUBLESHOOTING If your transceiver is not working as it should, these suggestions might help you eliminate the problem. If the transceiver still does not operate properly, take it to your local RadioShack store for as- sistance.

  • Page 29: Noise Reduction

    19-1110.fm Page 29 Friday, March 24, 2000 9:42 AM Problem Possible Causes Remedies The microphone’s Adjust Trouble with MIC-G transmission gain might not be properly set. (continued) The power cord Make sure the Transceiver might not be con- power cord is con- does not work at all.

  • Page 30: Replacing The Fuse

    Your local RadioShack store has a wide selection of noise sup- pression accessories. REPLACING THE FUSE If the HTX-10 stops operating, you might need to replace the red power wire’s fuse with the supplied spare fuse. Caution: Do not use a fuse with ratings other than those speci- fied here.
  • Page 31 19-1110.fm Page 31 Friday, March 24, 2000 9:42 AM Caution: The supplied fuse has the proper ratings. Make sure you replace a fuse only with another fuse of the same rating. 4. Reassemble the fuse holder by squeezing it together until it snaps shut.

  • Page 32: Specifications

    19-1110.fm Page 32 Friday, March 24, 2000 9:42 AM SPECIFICATIONS GENERAL Frequency Range ......28.000 MHz to 29.699 MHz Tuning Step ......1 kHz/10 kHz/100 kHz (selectable) Frequency Generation ......Digital PLL Synthesizer Antenna Connector ......50 ohm coaxial connector Microphone ...........
  • Page 33 19-1110.fm Page 33 Friday, March 24, 2000 9:42 AM TRANSMITTER Power Output ........7w (AM), 25w (FM/SSB) Distortion ................5% Deviation ................. ±2 kHz S/N Ratio................40 dB Spurious Emission ..........–65 dB or better Battery Drain: At max output power ......AM Less than 3.0 A, FM Less than 5.0 A, SSB 5.0 A At no modulation .........
  • Page 34 19-1110.fm Page 34 Friday, March 24, 2000 9:42 AM NOTES...
  • Page 35 19-1110.fm Page 35 Friday, March 24, 2000 9:42 AM...
  • Page 36 19-1110.fm Page 36 Friday, March 24, 2000 9:42 AM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for ninety (90) days from the date of purchase from RadioShack company-owned stores and authorized RadioShack franchisees and dealers.

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