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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Optimus CD-3640, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Optimus CD-3640 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Optimus CD-3640. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Optimus CD-3640 should contain:
- informations concerning technical data of Optimus CD-3640
- name of the manufacturer and a year of construction of the Optimus CD-3640 item
- rules of operation, control and maintenance of the Optimus CD-3640 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Optimus CD-3640 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Optimus CD-3640, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Optimus service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Optimus CD-3640.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Optimus CD-3640 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
Cat. No. 42-5073/42-5074 OWNER’S MANU AL Plea se read before using this equipment . Portable Compac t D isc Pla y er CD-3620 ( 42-5073) CD-3640 ( 42-5074) 42-5 07 3.fm Page 1 Thurs da y, Au gu st 12 , 199 9 11: 0 8 AM[...]
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Page 2
2 FEA TURES Your Optim us CD-3620/CD-3640 P or- table Compact Disc Player uses the latest digital audio technology to give you the clean, crisp sound of com pact discs. You can connect the CD player to your home audi o or car s tereo sys- tem or connect a pair of stereo hea d- phones for portable, private listening. The CD player’s f eatures incl[...]
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Page 3
3 Hold — prev ents accident ally chang- ing the CD player’s c ontrol settings and conserves battery life by locking most controls whe n you turn of f the CD player. Thre e Po wer Sour ces — let you power your CD player from t wo stan- dard or rechargeable nickel-cadmi um AA batteries, standard AC power ( w ith an optional AC adapter), or your[...]
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Page 4
4 CONTENTS Pow er Sou rce s ..... ..... .. ..... ..... .... ..... ..... .... ..... ..... ..... .... ..... ..... ..... .... ..... ..... ..... .... .... 5 Usin g Bat ter ies ..... .. ..... ..... .... ..... ..... .... ..... ..... ..... .... ..... ..... .. ..... ..... .... ..... ..... ..... . 5 In stal ling Bat teri es ... ..... ..... .... ..... ..... [...]
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Page 5
5 POWER SOUR CES You can pow er your CD player fr om: • T wo AA batteries • Standard AC power , using an A C adapter • A vehicle’s battery power , us ing a DC adapt er USING BATTERIES You can power your CD pla yer from battery power using: • Tw o AA alk aline bat teri es (such as Ra dioShack Cat. No . 23-552) • Tw o specia l AA rechar g[...]
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Page 6
6 • Fully discharge the batteries occa- sionally by playing the CD pl ayer until it no l onger plays . Then fully recharge the batteries. This helps restore the bat teries’ full charging capacity . • Avoid charging the batteries in a hot environme nt (above 1 13°F) as this can perm anently redu ce the batteries’ chargi ng capac ity . Cauti[...]
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Page 7
7 USING AC POWER You can po wer the CD pl ayer from a standard A C outlet using an AC adapter, suc h as Cat . No. 273-1664 . Cautio ns: • Y ou mu st use an AC adapter that supplies 6 vo lts, and delivers at least 400 mil liamps (CD-3620) or 500 milliamps (CD-3640). Its ce n- ter tip must be set to positive, and its barr e l pl ug mu st co rrect l[...]
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Page 8
8 USING V EHICLE BATTERY POWER You can power your CD pla yer from your vehicle’s battery us ing a DC adapter, suc h as Cat . No. 273-1801 . Cautio ns: • Y ou m ust use a DC adapter t hat supplies 6 v olts an d delivers at least 500 m illiam ps. Its cent er tip must b e set to pos itive, and its barrel plug must correctly f it the CD player ’s[...]
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Page 9
9 CONNECTIONS You can l isten to your CD pla yer by connecting optional stereo earphon es or amplified speakers to t he player’s PHONES ja ck, or b y connect ing a home audio or ca r stereo syste m to the play er’s LI NE OUT j ack. You can mount your CD player in y our car using a mount ing bracket. Your l o- cal RadioS hack store has a co mple[...]
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Page 10
10 CONNECTING AMPLIFIED SPEAKERS To listen to y our CD player through a pair of amplified speakers, plug the speakers’ 1 / 8 -inch pl ug into the CD player’s PHONES jack. CONNECTING TO A HOME AUDIO SYSTEM To listen to your CD player through your home audi o system ’s amplifier/ receiver and full -size speakers, con- nect the s upplied Y-c abl[...]
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Page 11
11 If yo ur aut o sound syst em has a CD in- put jack , you need a ste reo 1 / 8 -inch patch cable, such as Cat. No. 42- 2387. Connect one end t o the CD player’s LINE OUT jack and the ot her end to the autosound system’s CD IN- PUT j ack. If your autosound s ystem has a cas- sette player but no CD INPUT or LINE IN jack s , you can use a CD-to-[...]
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Page 12
12 OPE RATION PLAYIN G A CD 1. Set HOLD to OFF . 2. Press to open the disc compart- ment. Then handlin g the CD by its edges, careful ly place it, label side up, over the com partment’s cent er hub. Press gently on the CD’s center so the CD lies flat in the compartment . Then clo se the compart ment cover . 3. Press PLA Y/P AUSE . Th e CD playe[...]
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Page 13
13 • T o enhance the bas s sound, briefly press MEMORY/E-BASS . BASS app ears. T o ret urn to n or- mal sound, press MEMORY/ E- BASS again. BASS di sappears. 5. When t he last track fi nishes play- ing, the display alternately shows the total number of tracks and to- tal playing time of the CD for about 2 minutes, then the CD player automat icall[...]
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Page 14
14 Note: The CD playe r consum es addi- tional battery po wer when you use the anti-shock system. When you use the CD player in a stable location, turn of f th e syst em to co nserve b at tery power. LOCKING THE CONTROL S T o prev ent ac c i de n tal ly t u rni ng t h e CD player on or off, or changin g the track you are listen ing to, slide HOLD t[...]
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Page 15
15 To cue a t rack in a p rogrammed se- quence (see “Program med Play” on Page 16), press PLA Y/P AUSE to pause the CD. flashes. Then press or to display the track you want to cue. To play the cued track, press PLA Y/ P AUSE . INTRO SCAN The intro s can feature auto matically plays the f irst 10 seconds of each track on a CD. During play, repea[...]
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Page 16
16 RANDOM PL AY In random play, the CD pla y e r play s all the t racks onc e in rando m order, then au t omat icall y s tops. To start ra n- dom pl ay at any t ime, repea tedly press PLA Y M ODE until RAND OM ap - pears. Note: If you select random play during programme d play, t he CD player stops the programmed sequen ce and starts rando m play o[...]
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Page 17
17 • T o ad d to the end of a p ro- grammed sequence, hol d down MEMORY/ E-BASS until th e first programme d track appears , then repeatedl y press MEM- ORY/ E-BASS (within 2 m inutes) until track num ber 00 appears. Then follo w Steps 3 and 4. If you do not press a button within 2 minu tes after the CD player stops, it turns off and clea rs the [...]
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Page 18
18 T ROUBLES HOOTING With proper care and handling, your CD pl aye r should give you years of trouble- free service. However, if you r CD player i s not working prope rly, follow these sug- gestions to see if you can eliminat e the problem. If you still h ave a p r o blem, take the CD player to your local RadioS hack store f or assistance. Pr obl e[...]
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Page 19
19 CARE AND MA INTENANCE Your Optimus CD-3620/CD -3640 Portable Comp act Disc Playe r is an example of superior design and cr aftsmanshi p. The following sugge stions will help you care for your CD pl a yer so you can enjoy it f or years. Keep the CD player dry. If it gets wet, wipe i t dry immedi ately. Liquids might contain mineral s that can cor[...]
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Page 20
20 CD CARE TIPS • Do not pl ac e any thing but a CD in the disc tray . Doing so can dam- age th e drive m echanism . • During playbac k, a severe shock or jolt could make the CD’s rota- tion spee d chang e sudden ly and produce som e noise. This is not a ma lfun ctio n. • Always ha ndle a C D by the edg es and keep it in it s protec tive ca[...]
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Page 21
21 SPECIFICATIONS Audio Frequenc y Respon se ( ± 3 dB) . ............ ................... ........................ .... 20–20,000 Hz Dynamic Range ............. ................... ..................... ................... ...................... 80 dB Signal-to-Noise Ratio .. ............... ..................... ................... ............[...]
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Page 22
22 General Power Re quire ments .. .... ........ .... ..... ..... .... ... .. ..... ...... DC 3V ; T wo AA Si ze Al kaline or Specia l Rechargeable Nickel-Cadm ium Bat teries (Not Supp lied), Optio nal AC Adapter (273-1664), or Optional DC A d apter (273-1801) Power Consu mpt ion .... .... ..... ..... ..... .... ..... ..... ..... .... ..... ..... .[...]
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Page 23
23 NOTES 42-5 073.fm Page 2 3 Thu rsda y, Aug ust 12, 19 99 11:08 AM[...]
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Page 24
Ra di oSh ac k A Divisi on of T andy Corporation Fort Worth, T exa s 76102 8A7 Pri nted i n Thai land Lim it ed One-Y ear W arrant y This pr oduct is warrant ed by Ra dioShack ag ai nst man ufacturing d efects in mater i a l and w orkman- ship und er normal use for one (1) year from the date of purc hase from Radi oShack company-o wned stores an d [...]