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17

OPERATION

SETTING SQUELCH AND RECEIVING

1. Rotate

SQUELCH

fully counterclockwise.

2. Rotate

RF-G

fully clockwise.

3. To turn on the transceiver, rotate

OFF/VOLUME

clockwise

until it clicks. The display lights and the frequency appears.
A bar graph also appears which shows the received signal’s
strength.

4. Set

OFF/VOLUME

to a comfortable listening level.

5. Rotate

SQUELCH

clockwise until you hear a hissing sound.

Then slowly rotate

SQUELCH

counterclockwise just until the

noise stops.

Frequency

Bar Graph

19-1110.fm Page 17 Friday, March 24, 2000 9:42 AM

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Содержание HTX-10

Страница 1: ...Cat No 19 1110 OWNER S MANUAL Please read before using this equipment HTX 10 10 Meter Transceiver A ...

Страница 2: ... incoming signal strength 1 kHz Frequency Resolution lets you fine tune frequencies for optimum transmission and reception Scan the transceiver scans its frequency range for transmis sions MIC and RF Gain Control lets you adjust the microphone and receiver gain to match the strength of the received signal Switchable Noise Blanker reduces interference from ignition systems motors and other electric...

Страница 3: ...smit using this transceiver Transmitting without a li cense carries heavy penalties Getting a license is easier than ev er See Introduction to Amateur Radio on Page 6 for more information We recommend you record your transceiver s serial number here The number is on the transceiver s back panel Serial Number ____________________________ ...

Страница 4: ...ons 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause un desired operation This equipment complies with the limits for a Class B digital de vice as specified in Part 15 of FCC Rules These limits provide reasonable protection against radio and TV interference in a res idential area However your equipment mi...

Страница 5: ...ion 17 Setting Squelch and Receiving 17 Transmitting 18 Notes on SSB Reception 19 Special Features 20 Using the Special Features 20 Using STEP 21 Using CALL 22 Using SCAN 22 Using LCR Last Channel Recall 23 Using M LOAD 23 Using NB Noise Blanker 23 Using SHIFT 24 Using T LOW Tone Low 24 Using M SAVE Memory Save 25 Using FINE Clarifier 25 Using RF G RF Gain 26 Using MIC G Microphone Gain 26 Turning...

Страница 6: ...s take the FCC rules very seriously and want nothing to do with bootleggers their term for people who operate without a license Find out if there is a ham radio club in your area Most clubs wel come newcomers and are glad to help you get your license There are thousands of clubs across the country so there is prob ably one in or near your own community Often the staff at your local RadioShack stor...

Страница 7: ...way so you can advance to higher levels of operating privileges The examiners for a Novice license test can be any two ham op erators who hold a general or higher class license and who are at least 18 years old and are not related to you There is no fee to take the Novice exam As soon as you pass the Novice exam you can immediately take the Technician exam There is a small fee required for taking ...

Страница 8: ...sitions for the mounting screw holes at the desired location 2 At each marked position drill a hole slightly smaller than the supplied mounting screws Caution Be careful not to drill into anything behind the mounting surface 3 Attach the holder at the mounting location using the sup plied machine screws and lock washers MOUNTING THE TRANSCEIVER The most common mounting location for this transceive...

Страница 9: ...vehicle and to avoid injury to anyone in the vehicle during sudden starts or stops Follow these steps to mount the transceiver using the supplied hardware 1 Using the mounting bracket as a template mark the posi tions for the screw holes on the mounting surface 2 In each marked location drill a hole slightly smaller than the supplied mounting screws Caution Be careful not to drill into objects beh...

Страница 10: ...t best meets your needs Your local RadioShack store sells a wide variety of antennas Note If you are using this transceiver as a base station see Us ing the Transceiver as a Base Station on Page 14 When you choose an antenna keep in mind that for the best performance you should mount the antenna as high as possible on the vehicle as far as possible from sources of electrical noise vertically Rubbe...

Страница 11: ...ough the engine compartment or other areas that produce extreme heat To achieve your radio s maximum range adjust the antenna s Standing Wave Ratio SWR You can use an SWR meter not supplied to adjust the SWR for your antenna Follow the instructions supplied with the SWR meter and antenna to adjust your antenna s SWR to the lowest possible value SWR values of 2 0 1 are generally acceptable with rea...

Страница 12: ... locking nut and gently pull out the microphone plug Never pull on the micro phone cable to disconnect the microphone CONNECTING AN OPTIONAL EXTERNAL SPEAKER You can connect an external speaker to the transceiver The ex ternal speaker you use with the transceiver should have an im pedance of 8 ohms and be able to handle 3 to 10 watts of power The speaker s cable must have a 1 8 inch 3 5 mm plug Bo...

Страница 13: ... steps to connect the transceiver to your vehicle s bat tery power 1 Connect the red wire with in line fuse holder from the back of the transceiver to a point in your vehicle s fuse block that has power only when the ignition is in the ACC accessory or ON posi tion 2 Connect the black wire to a metal part of the vehicle s frame chassis ground Red wire to positive terminal Black wire to negative te...

Страница 14: ...n with an AC power source For base station installation you need these items a 12 volt DC power supply that can supply at least 7 amps Caution Most 12 volt DC power supplies plug into a stan dard AC outlet to produce DC power Before connecting your transceiver to a 12 volt DC power supply read and fol low the instructions included with the power supply base station antenna coaxial antenna cable an...

Страница 15: ...cause electrocution and death Call the power company to remove the antenna DO NOT attempt to do so yourself 2 Connect the antenna to the ANT jack on the back of the transceiver 3 Connect the transceiver s black power wire to the negative terminal on the DC power supply 4 Connect the transceiver s red wire with in line fuse holders to the positive terminal on the DC power supply 5 Connect the singl...

Страница 16: ...annel 2 se lects memory Channel 2 SCAN SHIFT 3 starts stops scanning selects the frequency shift selects memory Channel 3 LCR 4 recalls the last tuned channel selects memory Channel 4 MODE T LOW 5 selects the operation band AM FM USB LSB turns hi cut filter on off selects memory Channel 5 M LOAD M SAVE loads from saves to a memory location FINE PUSH FUNC adjusts fine tuning activates second functi...

Страница 17: ...til it clicks The display lights and the frequency appears A bar graph also appears which shows the received signal s strength 4 Set OFF VOLUME to a comfortable listening level 5 Rotate SQUELCH clockwise until you hear a hissing sound Then slowly rotate SQUELCH counterclockwise just until the noise stops Frequency Bar Graph 19 1110 fm Page 17 Friday March 24 2000 9 42 AM ...

Страница 18: ...nd or LSB lower sideband 7 Rotate TUNE or press UP or DN on the top of the micro phone to select a frequency 8 To turn off the transceiver rotate OFF VOLUME counterclock wise until it clicks TRANSMITTING Notes Do not attempt to transmit unless you possess a valid ama teur radio license We recommend you try receiving before you transmit 1 Follow Steps 1 7 in Setting Squelch and Receiving on Page 17...

Страница 19: ...ppear 5 To turn off the transceiver rotate OFF VOLUME counterclock wise until it clicks NOTES ON SSB RECEPTION If the voice sounds distorted slowly rotate FINE to bring the signal into its natural voice tonal range An SSB signal produces a fluttering unintelligible sound when received in the AM mode Set the mode switch to either LSB or USB and adjust FINE If the voice is still not intelligible it ...

Страница 20: ...l 2 Page 22 Scan scans incoming signals Page 22 Last Channel Recall returns to the last channel that was transmitted Page 23 M LOAD recalls frequencies stored in memory Channels 1 5 Page 23 NB Noise Blanker reduces elec trical noise Page 23 Shift lets you set the frequency shift direction and offset frequency Page 24 T LOW Tone Low turns the high cut filter on or off Page 24 M SAVE Memory Save sav...

Страница 21: ... 2 seconds to show which digit is selected The increment that the selected digit displays is the rightmost digit 1 kHz the second digit from the right 10 kHz the third digit from the right 100 kHz RF G RF Gain attenuates strong signals Page 26 MIC G Microphone Gain reduces the microphone gain and SSB transmitting power Page 26 Feature See 19 1110 fm Page 21 Friday March 24 2000 9 42 AM ...

Страница 22: ...channel 2 Press CALL to recall the stored frequency at any time The fre quency flashes Press CALL again and the last selected frequency appears Using SCAN Press SCAN to scan incoming signals SCAN appears and the transceiver stops for 5 seconds on each channel when it detects a signal To stop scanning press SCAN or the PTT button on the micro phone SCAN disappears 19 1110 fm Page 22 Friday March 24...

Страница 23: ... channels To recall a memory channel press M LOAD so L appears then press the desired memory channel number Using NB Noise Blanker If the transceiver s reception is disturbed by interference from electrical noise such as ignition noise you can reduce the noise by using the transmitter s noise blanker feature To turn on or off the noise blanker press PUSH FUNC then NB NB appears while the noise bla...

Страница 24: ...IFT while FUNC appears SHIFT appears Press PUSH FUNC and SHIFT again while FUNC appears to set the frequency shift direction to SHIFT appears 2 Press PUSH FUNC then SHIFT for about 3 seconds 000 appears 3 Rotate TUNE to set the offset frequency to any frequency from 0 to 990 kHz 4 To exit hold down PUSH FUNC and SHIFT together for about 3 seconds Using T LOW Tone Low Press PUSH FUNC then T LOW to ...

Страница 25: ...s the desired memory channel num ber The transceiver stores the frequency you selected into the memory channel you selected 4 To recall a frequency you stored see Using M LOAD on Page 23 Using FINE Clarifier When you listen to an SSB signal rotate FINE to tune in slightly off frequency stations or to tune out interference from adjacent channels 19 1110 fm Page 25 Friday March 24 2000 9 42 AM ...

Страница 26: ...st the transmitter s microphone gain and SSB transmitting power for the best audio quality TURNING THE KEY TONE ON AND OFF The transceiver is preset to sound a tone each time you press a key To turn the transceiver s key tone on or off turn on the trans ceiver while holding down the push to talk button on the micro phone 19 1110 fm Page 26 Friday March 24 2000 9 42 AM ...

Страница 27: ... the transceiver away from dust and dirt which can cause premature wear of parts Handle the transceiver gently and carefully Dropping it can damage circuit boards and cases and can cause the transceiver to work improper ly Wipe the transceiver with a damp cloth occasion ally to keep it looking new Do not use harsh chemicals cleaning solvents or strong deter gents to clean the transceiver Modifying...

Страница 28: ...e the trans ceiver to an oper ating frequency The microphone might not be con nected Make sure the microphone is connected The antenna might not be connected Make sure the antenna is con nected The receive mode might not be properly set Set the receive mode to FM AM LSB or USB Trouble with transmission The antenna might not be connected Make sure the antenna is con nected The microphone might not ...

Страница 29: ...transceiver with your vehicle s ignition set to ACC If the noise decreases the problem is in your vehicle s ignition or electrical system Here are a few hints to help you reduce or eliminate such noise Make all transceiver power and antenna wires as short as possible Route the power wires away from the antenna wires Trouble with transmission continued The microphone s gain might not be properly se...

Страница 30: ...e 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 Doing so might damage your transceiver Follow these steps to replace your transceiver s fuse 1 Make sure the power source and transceiver are...

Страница 31: ...ed 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 19 1110 fm Page 31 Friday March 24 2000 9 42 AM ...

Страница 32: ...tive or positive ground Speaker 8 ohm 2 watt Impedance 50 ohm Dimensions HWD 61 16 23 64 941 64 inches 154 52 248 mm Weight without batteries 2 65 lb 1 2 kg Accessories Microphone Microphone Holder Mounting Hardware Mounting Bracket DC Power Cord Spare Fuse RECEIVER Sensitivity 0 5 µV for 10 dB S N Audio Output 10 THD External 2 5 W at 8 ohm Selectivity 50 dB min Intermodulation 60 dB min Distorti...

Страница 33: ...ter 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 AM Less than 3 0 A FM Less than 5 0 A SSB 1 0 A Specifications are typical individual units might vary Specifica tions are subject to change and improvement without notice 19 1110 fm Page 33 Friday March 24 2000 9 42 AM ...

Страница 34: ...34 NOTES 19 1110 fm Page 34 Friday March 24 2000 9 42 AM ...

Страница 35: ...35 19 1110 fm Page 35 Friday March 24 2000 9 42 AM ...

Страница 36: ...uring the warranty period take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store Ra dioShack will at its option unless otherwise provided by law a correct the defect by product repair without charge for parts and labor b replace the product with one of the same or similar design or c refund the purchase price All replaced parts and products and products...

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