Optimus 739 Home Theater System User Manual
Contents
1. uui a E 7 Using the CD Player coii cierre cepe ecce enin rnit ia iaiia 8 Playing a Docs aci doc d e DE EX ER E E Educ 8 Automatic Skip Music System oooooccccconcoccccccononnnccnnnnonccnnnnnnnncccnnnn nc cnn naar nnncnnns 9 Repeat Play 10 Programmed Play een e tertii iiti beer eder ainda 10 Checking a Programmed Sequence eee 11 Replacing a Track in a Programmed Sequence 11 Clearing a Programmed Sequence sse 11 Using the Cassette Deck 1 eese nennen nennen nennen 12 Playing a Cassette Tape ete e c e tete e EE tas bates 12 Recording EE PES 13 Care and Maintenance eeeeeeeseeeeeeeese eene enne nnne nnn nnmnnn nnmnnn nn 14 OD GaresTipSiuusoi E E RDUM E acide 15 Tape TIPS Se E 15 Erasing a Cassette Tape sse eren enne 15 Preventing Accidental Erasure coooccoccccococccocccnccnncnnnncononncnnnnnncnnnnnnnnn nro ncnnnn 15 Cleaning the Tape Handling Parts cccccceceeeeeeeeeeeeceeeeeeeeeeeeeeteeeeensnnaees 16 Restoring Tape Tension and Sound Quality eeseessssssss 17 Specifications A ATEA EEA AA E aA EAEE 18 p EA VJ T iM o 13 1292 fm Page 5 Wednesday July 14 1999 6 37 PM PREPARATION zm Note Complete all other connections before connecting your music system to a standard2. 91 16 x 171 8 x 79 16 Inches 230 x 435 x 192 mm Weight A 5 5 lb 2 5 kg Specifications are typical individual units might vary Specifications are subject to change and improvement without notice 19 zm T e p EA Sp NS 13 1292 fm Page 20 Wednesday July 14 1999 6 37 PM RadioShack Limited Warranty This product is warranted against defects for 90 days from date of purchase from RadioShack company owned stores and authorized RadioShack franchisees and deal ers Within this period we will repair it without charge for parts and labor Simply bring your RadioShack sales slip as proof of purchase date to any RadioShack store War ranty does not cover transportation costs Nor does it cover a product subjected to mis use or accidental damage EXCEPT AS PROVIDED HEREIN RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRANTIES ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED WARRANTIES CONTAINED HEREIN Some states do not permit limitation or exclusion of implied warranties therefore the aforesaid limita tion s or exclusion s may not apply to the purchaser This warranty gives you specific legal rights and you may also have other rights which vary from state to state We Service What We Sell 10 95 RadioShack A Division of Tandy Corporation Fort Worth Texas 76102 8A6 Printed in Hong Kong V S
3. o 13 1292 fm Page 1 Wednesday July 14 1999 6 37 PM e Cat No 13 1292 OWNER S MANUAL Please read before using this equipment SYSTEM 739 Mini Stereo Component System OPTIMUS ae gt 13 1292 fm Page 2 Wednesday July 14 1999 6 37 PM FEATURES Your Optimus System 739 Mini Stereo Component System includes an AM FM tuner a cassette player a CD player and matching speakers lt de livers great sound and because of its small size it is perfect for a bedroom the kitchen or even the office You can listen to your favorite CDs and the cassette deck lets you record from a CD or the radio lts features include Automatic Skip Music System lets you quickly find any track on a CD Programmed Play lets you pro gram up to 21 tracks on a CD to play in any order you choose Repeat Play repeats the current track the entire CD or a programmed sequence 5 or 3 Inch CD Compatible ae lets you play 5 or 3 inch CDs Auto Stop automatically stops the cassette tape when it reaches the end Fast Forward and Rewind let you quickly find a section on a cassette tape E Bass provides richer fuller bass sound Automatic Level Control auto matically adjusts the recording level Note CDs that can be played on this player have this mark on them COMPACT DIGITAL AUDIO Note Most material on compact discs and prerec
4. Handle the music system gently and carefully Dropping it can dam age circuit boards and cases and can cause the music system to work improperly Use only fresh batteries of the required size and type Old batteries can leak chemicals that damage your music system s electronic parts Wipe the music system with a damp cloth occasionally to keep it look ing new Do not use harsh chemicals cleaning solvents or strong de tergents to clean the music system Modifying or tampering with the music system s internal components can cause a malfunction and might invalidate your music system s warranty and void your FCC authorization to operate it If your music system is not performing as it should take it to your local RadioShack store for assistance Sp Wi Wa gt 13 1292 fm Page 15 Wednesday July 14 1999 6 37 PM CD CARE TIPS Even though a compact disc is very durable treat the CD surface with care We recommend the following precautions Do not write on either side of the CD particularly the non label side signals are read from the non label side Do not store CDs in high tempera ture high humidity locations They might warp Keep CDs dry A water drop can act as a lens and affect the laser beam s focus Always handle a CD by the edges to avoid fingerprints and always keep it in its protective case or sleeve when it is not in use Fin gerprints and scratches on the CD s s
5. full reel on the left and the side you want to play facing you 5 Close the cassette compartment door Press PLAY on the cassette deck The cassette tape automatically stops when it reaches the end Notes To temporarily stop play press PAUSE Press PAUSE again to resume play To rapidly wind the tape forward or backward press FAST F or REWIND The cassette deck automatically stops at the end of the tape Adjust VOLUME and E BASS for the desired sound TO manually stop play press STOP EJECT Press STOP EJECT again to open the cassette com partment T Sp Wi Sp NS 13 1292 fm Page 13 Wednesday July 14 1999 6 37 PM RECORDING 1 Press POWER to turn on the sys tem MOU cane Troms CE player 2 Set FUNCTION to TUNER to record radio from the radio or to CD to record from a CD Notes 3 Insert a tape into the cassette Tape quality greatly affects the compartment and press PAUSE quality of the recording For low noise wide range recordings use 4 Press RECORD The PLAY button normal bias tape We recom automatically locks down The mend regular length 60 or 90 RECORD indicator lights minute cassette tapes We do not recommend long play cassette tapes such as C 120s because they are thin and can tangle eas ily Before you load a cassette tape for recording turn the cassette s hub with your finger or a pencil to 5 Tune the ra
6. Radio Turnirig Flange tite e oett er eere teet ecrit AM 530 1710 kHz FM 88 108 MHz Cassette Tape Speed scirent REC eate 4 8 cm sec Wow and HEIC 0 35 WRMS Frequency Response at 3 dB sess 125 Hz 8 kHz Recording System eiie uide dede deed dee cae e eoi AC Bias Erase y Strada Magnet CD Player Number of Tracks to be Programmed seen 21 Tracks Frequency Response at 3 dB seen 80 Hz 12 kHz Dynamic RINGE gere cte Eee tet petet inte to tee perc Eigene elut eet ore eiue betont 83 dB Signal to Noise JIS A ececeeeeeeceeeeeeeeeeeeeeeeseeeeeeeeeeeaeeeeseeaaaeeeeeseaaeeaeeeeeeaaaees 64 dB Harmonic Distortion at 1 KHz ssseeennennmnnnnn 0 896 Separation at 1 KHZ sssusa niami a A AN aN 60 dB Sampling Frequent y aea a ertt E A A e bid es 44 1 kHz Quantization Number sss 16 Bit Linear Channel Oversaimplihg tii 2 Times Pick Up System iii ecce dice e dc eb devs ccs 3 Beam Optical SQUTCO dimitir rre euet Porti Semiconductor Laser Mar e e EE 790 nm i P Sp Wi WV o 13 1292 fm Page 19 Wednesday July 14 1999 6 37 PM General Power S pply ictor eet dere e 120V AC 60 Hz 10W Speaker SIZe ni ette ei ee dete it tete eee 4 Inches Speaker Impedance sse eren enne 8 Ohms Power Output 10 THD esee 1 5 Watts per Channel Dimensions HWD Including Speakers
7. AC outlet CONNECTING THE SPEAKERS 1 Press the red and black terminal tabs marked R on the back of the System then insert the right speaker s solid red wire into the red terminal and its black red striped wire into the black ter minal Then release the tabs to close the terminals 2 Repeat Step 1 to connect the left speaker s wires to the terminals marked L CONNECTING AN EXTERNAL ANTENNA The system has two antennas The AM antenna is built in and the power cord acts as the FM antenna For improved reception you can attach an external FM or VHF antenna not supplied to the 75 ohm or 300 ohm terminals on the back of the music system Follow the instructions sup plied with the antenna to connect it Note If you have an outside VHF TV antenna you can use a 300 ohm signal splitter to connect your music system and TV set to the same antenna Your local RadioShack store sells antennas and connectors that enable you to make this connection CONNECTING TO POWER After you connect the speakers and an external antenna if desired plug the music system s power cord into a standard AC outlet Caution The supplied AC power cord has a polarized plug that fits into the outlet only one way If the plug does not fit properly turn it over and try again Do not force it T Sp Wi Wa o 13 1292 fm Page 6 Wednesday July 14 1999 6 37 PM USING HEADPHONE
8. AUSE The CD player starts playing the se lected track Note At the beginning of a CD you can only skip forward At the end of a CD you can only skip backward REPEAT PLAY You can repeat the current track the entie CD or a programmed se quence To repeat the current track press REPEAT once during play REPEAT 1 appears on the display The CD player continuously replays the current track To repeat the entire CD press REPEAT twice during play REPEAT ALL appears on the display The CD player continuously replays the entire CD If a programmed sequence is stored in memory see Programmed Play pressing REPEAT twice continuously replays the programmed sequence in stead of the CD tracks in order To cancel any repeat function press REPEAT until REPEAT disappears from the display PROGRAMMED PLAY You can program up to 21 tracks on a CD to play in any sequence you choose Note You cannot program tracks while a CD is playing 1 Press POWER to turn on the sys tem The POWER indicator lights zm Sp Wi Wa gt 13 1292 fm Page 11 Wednesday July 14 1999 6 37 PM 2 Press PROGRAM on the CD player OO P 01 MEMORY appears on the display 3 Press SKIP BPI or Hd to select the track you want to store in the first memory location 4 Press PROGRAM That track is stored in location 01 and 00 P 02 MEMORY appears on the dis play 5 Repeat Steps 3 and 4 to
9. S You can use headphones not sup plied to listen in privacy Insert the headphones einch plug into the PHONES jack on the front of the System Notes Your local RadioShack store sells a wide selection of headphones Plugging in headphones automati cally disconnects the speakers Listening Safely To protect your hearing follow these guidelines when you use headphones Set the volume to the lowest set ting before you begin listening After you begin listening adjust the volume to a comfortable level Do not listen at extremely high volume levels Extended high volume listening can lead to permanent hearing loss Once you set the volume do not increase it Over time your ears adapt to the volume level so a volume level that does not cause discomfort might still damage your hearing Sp Wi Sp NS 13 1292 fm Page 7 Wednesday July 14 1999 6 37 PM USING THE RADIO Note To protect your hearing set the Notes volume to its lowest setting before you turi onthe radio For the best AM reception rotate the system 1 Press POWER to turn on the sys For the best FM reception tem The POWER indicator lights uncoil the power cord and extend it to its full length If FM reception is strong set BAND to FM STEREO The FM STEREO indicator lights when you receive an FM broadcast in stereo 2 Set FUNCTION to TUNER If FM reception is weak set BAND t
10. dio to the desired sta move the tape past its leader tion or start the CD Then release PAUSE Recording begins The system s Automatic Level Control ALC automatically Note You might hear a low adjusts the recording level volume tone from the system s VOLUME and E BASS have no speakers during playback after effect on recording you record from AM radio If you hear the tone set E BASS to ON Caution If you try to record on a cas the next time you record This sette tape that has had the erase pro turns on the AM beat cut circuit tection tabs removed you cannot which helps eliminate such tones press RECORD Do not force it as this can damage the mechanism See Preventing Accidental Erasure on Page 15 18 VJ gt 13 1292 fm Page 14 Wednesday July 14 1999 6 37 PM CARE AND MAINTENANCE Your System 739 Mini Stereo Component System is an example of superior design and craftsmanship The following suggestions will help you care for your music sys tem so you can enjoy it for years PH ER S Keep the music system dry If it gets wet wipe it dry immediately Lig uids might contain minerals that can corrode the electronic circuits Use and store the music system only in normal temperature environ ments Temperature extremes can shorten the life of electronic de vices and distort or melt plastic parts Keep the music system away from dust and dirt which can cause premature wear of parts
11. eads and other parts that the tape touches This can greatly reduce the performance of the cassette player Use the following cleaning procedure after every 20 hours of tape player operation 1 Disconnect the power cord 2 Open the cassette compartment door E 3 Press PLAY to expose the tape handling parts 4 Use a cotton swab dipped in denatured alcohol or tape head cleaning solution to clean the record play head pinch roller capstan tape guides and erase head 5 When you finish cleaning press STOP EJECT and close the cas sette compartment door Then reconnect power Your local RadioShack store sells a wide selection of tape head cleaning supplies Sp Wi Sp NS 13 1292 fm Page 17 Wednesday July 14 1999 6 37 PM RESTORING TAPE TENSION AND SOUND QUALITY After you play a cassette tape several times the tape might become tightly wound on the reels This can cause playback sound quality to deteriorate To restore the sound quality fast forward the tape from the beginning to the end of one side then completely rewind it Then loosen the tape reels by gently tapping each side of the cas sette s outer shell on a flat surface Caution Be careful not to damage the cassette when tapping it Do not touch the exposed tape or allow any sharp objects near the cassette 17 V Sp NS 13 1292 fm Page 18 Wednesday July 14 1999 6 37 PM Bi SPECIFICATIONS
12. he follow COVER OR BACK NO USER SERVICE ing corrective measures ABLE PARTS INSIDE REFER SERVIC ING TO QUALIFIED PERSONNEL Reorient or relocate the receiving antenna This symbol is intended to alert you A N to the presence of uninsulated dan Increase the distance between the gerous voltage within the product s system and the radio or TV enclosure that might be of sufficient magnitude to constitute a risk of Use outlets on different electrical electric shock Do not open the circuits for the system and the product s case radio or TV This symbol is intended to inform Contact your local RadioShack store if N your that imporlant operating and the problem still exists maintenance instructions are in cluded in the literature accompany Warning This system employs a ing this product laser light beam Only a qualified ser vice person should remove the cover or attempt to service this device due to possible eye injury KA n EA Sp NS 13 1292 fm Page 4 Wednesday July 14 1999 6 37 PM CONTENTS Preparation m 5 Connecting the Speakers enre e Er nnne nnne nnns 5 Connecting an External Antenna sess enne eene 5 Connecting to POWer esessssssssseseeeesenene nne aa nennen nn inneren nnn nennen 5 Using Headphones iiie iege eu e oiu 6 Listening Safely cocina cede teet eire oe HEP dde 6 Using the FR dlo
13. isplay Press PLAY PAUSE again to resume playing the CD Sp Wi gt 13 1292 fm Page 9 Wednesday July 14 1999 6 37 PM e VJ 7 Adjust VOLUME and E BASS for 11 When you finish listening press the desired sound POWER to turn off the system The POWER indicator turns off AUTOMATIC SKIP MUSIC SYSTEM The automatic skip music system 8 Press STOP to stop playing the ASMS lets you quickly locate the CD before all tracks have played beginning of any track on the CD The total number of tracks and the including the track currently playing CD s total playing time appear on You can use ASMS when the CD is the display playing or is stopped If the CD is playing 9 Press CLOSE OPEN to open the CD compartment and remove the CD OPEN appears on the display Press SKIP K to return to the beginning of the current track e Press SKIP BPI to skip to the beginning of the next track Repeatedly press SKIP Mf or PP to skip backward or forward through tracks Note Do not remove the CD until after it stops turning The selected track begins to play automatically 10 Close the CD compartment 00 then dISC appears on the dis play amp p EA VJ o 13 1292 fm Page 10 Wednesday July 14 1999 6 37 PM If the CD is stopped repeatedly press SKIP Pb or HM until the display shows the number of the track you want to play then press PLAY P
14. o FM MONO The FM STEREO indicator turns off and 3 Set BAND to AM or one of the FM the sound is monaural but the settings reception should improve 5 Rotate VOLUME to a comfortable level 6 Set E BASS to ON for enhanced bass sound Set E BASS to OFF for normal bass sound 4 Rotate TUNING to receive the desired station 7 Press POWER to turn off the sys tem The POWER indicator turns off VJ gt 13 1292 fm Page 8 Wednesday July 14 1999 6 37 PM e B USING THE CD PLAYER PLAYING A CD 5 To close the CD compartment Note To protect your hearing set the volume to its lowest setting before you begin playing a CD 1 Press POWER to turn on the sys tem The POWER indicator lights 2 Set FUNCTION to CD 00 appears briefly then dI SC appears on the display 3 Press CLOSE OPEN to open the CD compartment OPEN appears on the display 4 With the label side up carefully place the CD s hole over the cen ter hub door press down gently on the right corner of the CD compart ment door until the door clicks shut 00 appears on the display for a few seconds then the dis play shows the total number of tracks and the CD s total playing time Press PLAY PAUSE to play all the tracks in order starting with Track 1 gt the current track number and the current track s elapsed time appear on the display Note Press PLAY PAUSE to stop the CD temporarily II appears on the d
15. orded tapes is copyrighted Unauthorized duplication of copyright ed material is a violation of the copyright laws of many countries and such duplication may result in fines and or imprisonment Note however that in the United States it is not a violation of U S copyright laws for a consumer to use an audio recording device to duplicate musical recordings for noncommercial personal use Read this manual carefully It will help you get the most enjoyment from your system We suggest you write your music sys tem s serial number here The number is on the back of the system Serial Number 1996 Tandy Corporation All Rights Reserved Optimus is a registered trademark used by Tandy Corporation RadioShack is a trademark used by Tandy Corporation gt 2 4 Sp NS 13 1292 fm Page 3 Wednesday July 14 1999 6 37 PM FCC INFORMATION Warning To prevent fire or shock hazard do not expose this product This system complies with the limits to rain or moisture for a Class B digital device as specified in Part 15 of FCC Rules These limits provide reasonable pro tection against radio or TV interfer ence in a residential area However AN RISK OF ELECTRIC SHOCK N your system might cause TV or radio Dd interference even when it is operating CAUTION TO REDUCE THE RISK OF properly To eliminate interference ELECTRIC SHOCK DO NOT REMOVE you can try one or more of t
16. program up to 21 tracks Note If you try to program more than 21 tracks you will replace the first tracks with new tracks 6 Press PLAY PAUSE The CD player plays the tracks in the pro grammed order gt the current track number the track s elapsed time and PROGRAM appear on the display zm During play you can press SKIP PP or H dl to move through the pro grammed tracks The track plays auto matically and the display shows the current track Checking a Programmed Sequence While a CD is stopped repeatedly press PROGRAM to move through the programmed sequence Replacing a Track in a Programmed Sequence While a CD is stopped repeatedly press PROGRAM until the track you want to replace appears on the dis play Then press SKIP PP or K until the new track appears on the display Press PROGRAM Clearing a Programmed Sequence To clear the programmed sequence press CLOSE A OPEN T e Sp Wi VJ gt 13 1292 fm Page 12 Wednesday July 14 1999 6 37 PM USING THE CASSETTE DECK PLAYING A CASSETTE TAPE Note To protect your hearing set the volume to its lowest setting before you begin playing a cassette tape 1 Press POWER to turn on the sys tem The POWER indicator lights 2 Set FUNCTION to TAPE 3 Press STOP EJECT on the tape deck to open the cassette com partment door 4 Load the cassette in the compart ment with the open end down the
17. urface can prevent the laser beam from correctly reading the digital information If the CD gets scratched use Scratch n Fix RadioShack Cat No 42 127 to keep the disc from skipping TAPE TIPS Erasing a Cassette Tape If you no longer want a recording you can record over it or erase it To erase a previously recorded sec tion of a tape simply record over it To erase the entire cassette tape let the tape record to the end You can quickly erase both sides of a cassette tape using a bulk tape eraser such as Cat No 44 232 not sup plied available at your local RadioShack store Preventing Accidental Erasure Cassette tapes have two erase protection tabs one for each side To protect a recording from being accidentally recorded over or erased use a screwdriver to remove one or both of the cassette tape s erase protection tabs 15 Sp Wi Wa gt 13 1292 fm Page 16 Wednesday July 14 1999 6 37 PM If you want to record on a tape after you have removed the erase protection tab for that side place a piece of strong plastic tape over that side s erase protection hole Be sure you cover only the portion originally covered by the erase protection tab Note Removing the erase protection tabs does not prevent a bulk eraser from erasing a cassette tape CLEANING THE TAPE HANDLING PARTS Dirt dust or particles of the tape s coating can accumulate on the tape h
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