Radio Shack 20-228 Owner'S Manual Download Page 1

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Cat. No. 20-228

OWNER’S MANUAL

All-Band Shortwave Receiver

Please read before using this equipment.

with Radio Data System

DX-398

Summary of Contents for 20-228

Page 1: ...Cat No 20 228 OWNER S MANUAL All Band Shortwave Receiver Please read before using this equipment with Radio Data System DX 398...

Page 2: ...set time Your receiver s features include Digital Synthesized Radio en sures accurate stable tuning Large Fast Response Display shows the time band and frequency signal strength and other indicators 2...

Page 3: ...vide the best possible reception Narrow Wide Control lets you re duce interference from adjacent sta tions when you listen to SW MW AM and LW broadcasts Page Memory Location lets you store and select...

Page 4: ...received in cluding interference that may cause undesired operation Your receiver might cause TV or radio interference even when it is operating properly To determine whether your receiver is causing...

Page 5: ...W AM Tuning Increment 12 Understanding Your Receiver 13 Basic Operation 15 Turning the Receiver On and Off 15 Lighting the Display 15 Locking the Controls 15 Setting and Viewing the Local Time 16 View...

Page 6: ...ng an Alarm 32 Silencing the Alarm 32 Using the Snooze Feature 32 Turning a Timer Alarm On or Off 33 Timer Recording 33 Using the Sleep Timer 33 Listening Hints 34 Reference Sources 34 Frequency Conve...

Page 7: ...b 2 Slide four AA batteries into the compartment on top of the lift out ribbon according to the polarity symbols and marked next to the compartment 3 Replace the cover Cautions If you will not be usin...

Page 8: ...uch as Cat No 273 1802 Caution You must use a DC cigarette lighter adapter that supplies 6 volts DC and deliv ers at least 300 mA Its center tip must be set to negative and its plug must fit the recei...

Page 9: ...te it for the best reception LW and MW AM Rotate the re ceiver The receiver uses a built in an tenna for these bands SW Pull up the antenna base then fully extend the antenna and point it straight up...

Page 10: ...a comfortable level Once you set the volume do not increase it Over time your ears adapt to the volume level so a vol ume level that does not cause dis comfort might still damage your hearing Traffic...

Page 11: ...STANDBY jack on the left side of the receiver lets you record a broad cast at a preset time To connect a tape recorder to the re ceiver s REC STANDBY jack you need a mono patch cord not supplied with...

Page 12: ...tations in the MW band in 10 kHz increments In the United States we commonly call the MW band the AM band In Europe and some other parts of the world MW fre quencies are assigned in 9 kHz incre ments...

Page 13: ...ht for about 12 seconds if you installed batteries or until you press again displays the time in your area using Daylight Saving Time SET lets you set the time STEP sets the tuning range for manual tu...

Page 14: ...clears an incorrect entry C cancel cancels an entry F FREQ frequency lets you tune a frequency directly M MEM stores frequencies into memory ENTER enters a frequency TIMER 1 TIMER 2 TIMER 3 let you se...

Page 15: ...dicator shows a power lev el of 3 or below or BATT LOW flashes replace all of the batteries Press POWER again to turn off the re ceiver LIGHTING THE DISPLAY Press to light the display in low light sit...

Page 16: ...nd each time zone To determine your local time from UTC add or subtract the specified number from UTC time During Daylight Saving Time add one more hour The clock display shows a random time when you...

Page 17: ...lay within 2 seconds 4 To return to your home time repeatedly press WORLD HOME until flashes Your home city s name and the time in that city appear 5 Press ENTER stops flashing CHANGING A WORLD CITY N...

Page 18: ...e to select the 75 meter shortwave band press 3 Manual Tuning You can select a lower or higher fre quency by pressing TUNING or The frequency changes in the fol lowing increments You can also select a...

Page 19: ...F FREQ The frequency dis play disappears and FREQ flashes for about 30 seconds 2 Use the number keys and to enter the frequency then press ENTER Notes If you wait more than 30 sec onds to press a butt...

Page 20: ...on Page 28 for more information International commercial broad cast programs often in English usually contain news commentar ies music and special features reflecting the culture of the broad casting...

Page 21: ...795 17 860 2 AUSTRIA Radio Austria 6 015 7 325 9 495 9 655 9 870 13 730 3 CANADA Radio Canada Intl 5 960 6 070 6 155 9 625 9 640 9 755 11 855 13 650 13 670 4 CHINA China Radio Intl 7 405 9 560 9 690 9...

Page 22: ...ep 6 020 6 165 9 700 9 720 9 845 9 890 15 315 17 605 13 ISRAEL Kol Israel 7 465 9 435 11 605 12 077 15 615 15 640 14 JAPAN Radio Japan NHK 5 960 6 110 6 120 9 535 11 705 11 895 12 000 13 630 15 KOREA...

Page 23: ...Free China 5 950 7 130 7 445 9 680 11 740 15 600 17 750 24 U S A Voice of America 5 985 6 035 6 130 7 405 9 455 9 760 11 695 11 715 15 205 25 U S A Voice of America WEWN 15 410 15 580 17 895 5 825 6...

Page 24: ...ting stereo headphones to the jack and setting STEREO MONO FM on the right side of the receiver to STE REO To improve reception for weak FM ste reo stations set STEREO MONO FM to MONO FM The sound is...

Page 25: ...the band for USB or LSB stations by holding down TUNING or TUNING for about 2 seconds until you hear an USB or LSB station Note SSB stations sound dis torted when you tune to them in the normal SW ban...

Page 26: ...ight side of the receiver to AUTO 4 Make sure that your local time as described in Setting and Viewing the Local Time on Page 16 has been set correctly The receiver compares the CT information with yo...

Page 27: ...our receiver s automatic tuning system ATS so it automatically stores all available FM LW and MW stations from strongest to weakest in the FM LW and MW memory loca tions until all the memory locations...

Page 28: ...ored on Page 30 then store the frequency Or to replace a stored frequency with a new fre quency repeatedly press TUN ING or to select a new frequency press M MEM then press the number key for the memo...

Page 29: ...ey To replace a frequency you stored with a new frequency repeatedly press TUNING or TUNING to select a new frequency press M MEM then hold down the number key cor responding to that memory location f...

Page 30: ...CKING UNLOCKING A STORED STATION After storing your favorite stations you can lock any of them in memory This helps you avoid overwriting the station if you accidentally use the receiver s ATS automat...

Page 31: ...ority station in a memory location 1 Use the steps under Tuning Pre programmed Shortwave Stations on Page 20 to tune to the page where you stored your favorite shortwave station 2 Press M MEM to store...

Page 32: ...e receiver off Silencing the Alarm When the display shows the alarm time the radio turns on or the buzzer sounds and 1 2 or 3 and or flash on the display If you selected the buzzer its volume increase...

Page 33: ...dio start to play at the time you want When the radio plays at the time you set the tape recorder starts and records the broadcast USING THE SLEEP TIMER The sleep timer lets you set the re ceiver to t...

Page 34: ...are grouped ac cording to their wavelengths in meters The tuning location of a station can be expressed as a frequency kHz or MHz or a wavelength meters Amateur radio operators generally re fer to the...

Page 35: ...rld International Frequencies International commercial broadcasts are found in the following shortwave bands Programs often in English usually contain news commentaries music and special features refl...

Page 36: ...nd small boats use this band with 2 182 kHz set aside as the international distress and emer gency channel Time Standard Frequencies The following frequencies announce the exact time of day at specifi...

Page 37: ...French 3 396 Radio Kaduna Kaduna Nigeria 4 750 Radio Bertoua Bertoua Cameroon 4 755 Imo Regional Radio Imo Nigeria 4 777 Radio TV Gabon Libreville Gabon Programs in French 4 795 Radio Nueva America L...

Page 38: ...rograms in Spanish 6 075 Radio Sutatenza Bogota Colombia Programs in Spanish 6 090 Radio Luxembourg Ville Louvigny Luxembourg 6 095 Polskie Radio Warsaw Poland 6 105 Radio New Zealand Wellington New Z...

Page 39: ...Sweden 11 720 Radio Moscow Moscow Russia 11 735 Radio Sofia Sofia Bulgaria 11 745 Voice of Free China Taipei Taiwan 11 815 Radio Japan Tokyo Japan 11 825 Radio Tahiti Papeete Tahiti Programs in Tahiti...

Page 40: ...Tokyo Japan 15 320 Radio Australia Melbourne Australia 15 400 BBC London England 15 430 Radio Mexico Mexico City Mexico Programs in Spanish 15 465 Radio Pakistan Islamabad Pakistan Programs in Urdu 1...

Page 41: ...to avoid interfering with other stations to improve reception during dif ferent seasons or to take advantage of signal propagation changes due to sun spots For this reason a given station might not be...

Page 42: ...in MHz 3 500 4 000 MHZ 80 Meters 7 000 7 300 MHz 40 Meters 10 100 10 150 MHz 30 Meters 14 0 14 350 MHz 20 Meters 18 068 18 168 MHz 17 Meters 21 000 21 450 MHz 15 Meters 24 890 24 990 MHz 12 Meters 28...

Page 43: ...signal is blocked by metal or concrete Move the receiver near a window when you use it inside a vehicle or metal frame building The frequency is not tuned properly Fine tune the frequen cy See Tuning...

Page 44: ...er away from dust and dirt which can cause pre mature wear of parts Handle the receiver gently and carefully Dropping it can damage circuit boards and cases and can cause the receiver to work im prope...

Page 45: ...the receiver s mi croprocessor the component that controls how the receiver operates but all stations remain stored Reset the receiver only when you are sure it is not working properly To reset the d...

Page 46: ...25 600 26 100 MHz 11 meters Antenna LW MW Built In SW Telescoping or Optional External FM Telescoping Output 300 mW 10 THD Jacks External Power DC IN 6V Stereo Headphones 1 8 Inch AM External Antenna...

Page 47: ...47 NOTES...

Page 48: ...vent of a product defect during the warranty period take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store RadioShack will at its option un less otherwise...

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