Instruction/ maintenance manual of the product 740 Optimus
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Cat. No. 13-1287 OWNER’S MANUAL Please read before using this equipme nt. SYSTEM 740 Mini Stereo Component System 13-1 287. fm Page 1 We dnesd ay, Ju ly 14, 1 999 5: 56 PM.
2 FEA TURES Your Optim us Sy stem 740 Min i Stereo Component Syst em offers, i n one compac t package, al l of the versatile features that you need for excellent stereo sound and ent ertainment . The S ystem 74 0 i ncludes an AM /FM stereo tuner, a dua l cassette record er with auto-stop, speakers, an d a 3- band frequency equalizer.
3 CONTENTS Conne ctions ... ..... .... ..... ..... ..... .. ..... .... ..... ..... ..... .. ..... .... ..... ..... ..... .... ..... ..... ..... .... ... 4 Connecting the Speak ers ........... . .................... .. ................. . .............
4 CONNECTIONS Cautio n : Comple te all other c onnec - tions to the Sys tem 740 b efore you connect it to power. CONNECTING THE SPEAKE R S 1. Insert the right speaker wire’s plug in to the 4 OHM SPK R (right) speaker jack on the bac k of the System 740.
5 If you have an outs ide VHF TV ante n- na, you can use a si gnal splitter t o connect this syst em and a TV to the same ante nna. Your local RadioShac k store has a wid e selection of an tennas and connectors. CONNECTING POWER To connec t powe r, after mak ing all other connections , plug your system’ s power cord into a st and ard AC outlet.
6 BASIC O PERATION T URNING O N/OF F THE SYS TEM Pr e ss PO WER to turn o n the syst em. The P OW ER ind ic ato r lig hts. To tu rn off t he syst em, pres s POWER again. The P OWER indicator turns off. ADJUSTING TH E BALANCE To adjust the soun d balance between the left and right spe akers, turn BAL- ANCE toward L (l eft) or R (right).
7 USING E-BASS Pr e ss E-BASS once for enhanced bass e ffects. The E-B ASS indicato r ligh ts. Pr e ss E-BASS again f o r normal bass sound. T he E- BASS indicat or tu rns off. USI NG THE MU TE BUTTON The M UTE but ton lets y ou te mpo rarily turn o ff the sound.
8 RADIO OPERATION 1. Press TUNER . The T UN ER indica- tor lig h ts. 2. Set BAND to AM or FM . 3. Adjust TUNING to the desired sta- tion. Notes: • Y our S ystem 740 h as a buil t-i n AM antenna, a nd t he A C pow er cord serves as an FM antenna. For the best AM reception, move the system.
9 CASSE TTE PLAYER OPERATION You can p lay a casset te tape in e it h er cassette deck, and record tapes in TAPE 1 . LOADING A CASSETTE TA P E Note: T ake up any slack in the tape by turning the cassette’s hub with a pencil. If y ou do n ot remove excess slack, the tape mig ht become tangled in the record/ p layback m echanism .
10 3. Press PLA Y . T he tape pl ayer pl ays the cass ette tape until it rea ches the end, then it automaticall y stops. Note: Press PA U S E to tempo- rarily stop the cas sette p layer . T o resume play , press P AUSE agai n. 4. Adjust VOLUME , E-BASS , BAL- ANCE , and FREQUENCY EQUAL- IZE R for th e desired s ound.
11 RECORDING O N A CASSETTE T A PE The System 740 can record from the radio or dub (copy) anot her tape. I t can also record from a n auxiliary au- dio source (see “Recording from an Aux ilia r y Au d io S o ur c e” on P ag e 14). Notes: •T h e VOLUME , E- BASS , BAL- ANCE , and FREQUENCY EQUAL- IZE R set tings do no t affect your recordi ng.
12 Du bbing a C assett e T ap e You can dub at t he tape’s n ormal pl ay- ing speed or at twic e the normal speed. 1. Load the cass ette yo u want to copy i nto T APE 2 with the sid e you want to record f a cing you. 2. Load a blan k casset te (or one y ou want to record ov er) into T APE 1 with the side you want to reco rd on facin g you.
13 T APE CARE TI PS Pre venting Acci dental Erasu re Cassette tapes have two erase -pro- tection tabs — on e for each side. To protect a recording from being ac ci- dentally recorded over or erased, use a screwdriver t o remove one or both of the cassette tape’s eras e-protection tab s.
14 USING AN AUX ILIARY AUDIO SOURCE If you connect ed an au xiliary audio source, such as a TV, VCR, a CD player, or an exte rnal cassette deck, you can use y our System 740 to l isten to or record from that source. (See “Connecting an Auxiliary Audio Source” on Page 4.
15 CARE AND MA INTENANCE Your Op timus S ys tem 7 40 M ini Stereo Comp onent Sy stem is a n ex am ple of su pe- rior design an d craft sman shi p. The follow in g sugg esti ons w ill he lp you c are for the syste m so you can enjoy it for years. Keep the sy stem dry.
16 THE F CC W A NTS Y OU TO KNOW Your system might cause TV or radio interference even when it is operating properly. To det ermine whe ther your system i s c ausing t he interference, tu rn of f your syst em. If the i nterfer- ence goes awa y, your s ystem is caus - ing the interference.
17 SPECIFICATIONS RADIO FM AM Frequenc y Rang e 88–108 M Hz 530–1710 k Hz IF Rejection 60 dB 60 dB Image Rej ection 20 dB 30 dB Sele cti vity 2 5 dB 2 0 dB Signal-to-Noise (S/N) Ratio 60 dB 30 dB Stereo Separation 22 dB Usable Sensitivity 6 µ V 1300 µ V/m CASS ETTE PLA YER Casset te M e chani sm .
18 NOTES 13-1 287. fm Page 1 8 We dn es da y , July 1 4, 199 9 5:5 6 PM.
19 13-1 287. fm Page 1 9 We dn es da y , July 1 4, 199 9 5:5 6 PM.
Ra dioSh ack A Divisi o n of T andy Corporation Fort Worth, T exa s 76102 9A6 Prin ted in Hong Kong RadioShack Limi ted War ranty Th is p rod uct is w arr ante d ag ai nst def ects for 90 day s fro m da te o f p urch ase fro m Ra di oS hack co m pa n y -o w ne d s t ore s and au t h or i ze d R a dio S h ac k fr an ch is ee s and de al - ers.
An important point after buying a device Optimus 740 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Optimus 740 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Optimus 740 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Optimus 740 you will learn all the available features of the product, as well as information on its operation. The information that you get Optimus 740 will certainly help you make a decision on the purchase.
If you already are a holder of Optimus 740, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Optimus 740.
However, one of the most important roles played by the user manual is to help in solving problems with Optimus 740. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Optimus 740 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
