OptimusメーカーCD-3720の使用説明書/サービス説明書
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Cat. No. 42-5077 OWNER’S MANU AL Please read be fore usin g th is e q u ipm en t . CD-3 720 Portable Compact Disc Player with 10 Seco nd D igi tal An ti-Sh ock Sys tem 42-5 07 7.
2 FEATURES Your Optim us CD-3720 P ortable Compact Disc Player uses the la test digital audio technol ogy to give y ou the clear sound of c ompact discs. You can connec t th e CD pla yer to your ho me a udio or au tosou nd system or connect a pair of st ereo headphone s f o r portable , private listening.
3 Built-In Ba ttery C harger — r echarges special rechargeabl e nickel- cadmium batteries inside the player when you use an AC or DC adap ter. 1-Bit DAC — u ses t he latest in digital-to-analog conv ersion circuitr y to accurately reproduce all sound level s with virtually no distortion.
4 Important: You ne ed a pair of stereo headpho nes, amplified speak ers, or a home audio or aut osound s ystem to use your CD pl ayer. Your local Ra- dioShack store carries a comple te line of headphones , spea kers, and au- dio systems.
5 FCC IN FORMATIO N This equ ipment com plies with the limits for a Class B digital device as specified in Part 15 of FCC Rules . These l imits provide reasonable pro- tection agai nst radio and TV interference in a residential area. Howev er, your eq uipment might c a use TV or radio inte r ference e ven when it is op- erating prope rly.
6 CONTENTS Pow erin g the CD P la y er .... ..... ..... .... ... .... ..... ... .... ... .... ..... .. ..... ..... .. ..... .. 8 Usin g Bat terie s ..... .. ..... ..... .. ..... .... ..... ..... ..... .. ..... .... ....... ..... ..... ..... .. .. 8 In stalli ng B atteri es .
7 Care and Mai ntenan ce .... ..... .. ..... ..... .. ..... ..... ....... .... ..... ..... .. ..... ..... ..... 32 CD Care T ips ..... .. ..... ..... .. ..... .... ..... ..... ..... .. ..... .... ... .... ... ..... .... ... .... . 33 Speci ficat ions .
8 POWERING THE CD PLAYER You can pow er your CD player fr om an y of thes e sourc es: • two AA alkaline bat teries • two special rechargeable AA nick el-cadmium batteries • two standard recharge.
9 Y ou cannot ch arge standard ni ckel-cadmium recha rgeable batteries inside the CD player ’s battery compartment , but you can charge them using an ex ternal battery charger s uch as Ca t. No. 23-133 (not sup- plied). Note: All types of nickel-cadm ium batte r i es come fully discha rged.
10 2. Place two AA bat teries in the compartment and on t op of the attached ribbon, as indicated b y the p olarity sym bols ( + and – ) m arked inside. 3. Close th e cover . When flashes, the s ound distorts, or the v o lume weakens , replace or recha r ge the batteries.
11 To charge s pecial nickel-cadm ium bat teries in the CD player, simply con- nect an AC or DC adapter to your CD pl a yer (see “Using AC Po wer” on Page 12 o r “Using Vehicle Battery Power” on Page 14). BA T T CHARGE on the front of the CD player lights while batteries are installed and charg- in g.
12 • Fully discharge the bat teries occasionally by p laying the CD player until it no longer plays. T hen fully recharge the batteries. This he lps maintain the batteries’ full charging capacity . • Important: T his CD player is cap able of u sing rechargeable nickel- cadmium batteries.
13 Follow these steps to connect an AC adapter to the CD pla yer. 1. Plug the A C adapter ’s 5. 5 m m ou ter diamet er/2.1 m m in ner di ame ter barrel plug into the cable so it reads + T IP . 2. Set the AC adapte r ’s voltage switch to 4.5V . 3. Connec t the AC adapter ’s ba r rel plug to the 4.
14 Usin g V ehi cle Batter y Pow er You can p ower your CD pl ayer from your v ehicle’s cigarette-lighter socket using an optional 4.5 volt DC adapter, such as Cat. No. 273-1801. Cautio n s: • Y ou m ust use a DC ada pter that supplies 4 .5 volts and de livers at least 550 mA of autom otive power .
15 2. Set the DC adapter ’s voltage switch to 4.5 volts. 3. Connec t t he DC adapter ’ s barrel plug t o the 4.5V jack on the ba ck of the CD player .
16 CONNECTIONS You can listen to your CD player by connect ing optional stereo head- phones or amplified speakers to t he CD player’s PHONES jack, or by con- necting a home audio or autosound system to the CD player’s LINE OUT jack.
17 Listen ing Safely To protec t your h earing, follow t hese guidel ines when you use e arphones or headphones . • Set t he volume to the lowest set ti n g before you begin listening. A fter you begin l istening, ad just the v olum e to a comfortabl e level.
18 CONNECTING AMPLIFIED SPEAKERS You can listen to your CD player through optional ampl if i ed speakers (such as Cat. No. 40-138 7). P lug the speaker cable’s 1 / 8 -inch (3.
19 CONNECTING TO AN AUTOSOUND SYSTEM You can listen to your CD player through you r autoso und system in one of the following ways: • I f yo ur autosound syst em has LINE IN jacks, connect the supp lied Y- cable’s 1 / 8 -inch (3.5-mm ) plug to t he CD p layer ’s LINE OUT jack.
20 • If your autosound system has a cassette deck, connect an optional CD-to-cassette adapter ’s plug (such as Cat. No . 12-1951) to t h e CD player ’ s PHONES jack. Then insert the adapte r’s other end into your cassette d eck just like a standard cas s ette.
21 OPERATION LOADI NG A CD Caution: To help prevent dust from entering the CD play er, alwa y s keep the CD compartm ent cover closed except to load or unl o ad CDs. 1. Slide HOLD in the direction o f the arrow marked n ext to HOLD . 2. Press PUSH OPEN and lift the CD c ompartment cover .
22 PLAYIN G A CD Warning: To protect your hearing if you are using earph ones or head- phones, set VOLUME to its lowest setting before you play a CD. Pr e ss PLA Y/P AUSE . T he CD player automatical ly turns on and 00 , th e to tal number of t r acks o n t he CD, and t he CD’ s pla ying t ime brie fl y a p - pear on the d isplay .
23 To temporarily stop play, press PLA Y/P AUSE . The current track’s elapsed time flashes. To resum e play, press PL A Y/P AUSE again. W hen the la st t rack finishes p laying, the CD st op s and 00 appears f o r a few seconds. Then the CD player automatically turns off .
24 DIGITA L ANTI-SHOCK SYSTEM Your CD player contains s pecial circuits to overcome so und skipping problems caused by s hock or vibra ti on. This means you can carry the CD player anywhe r e you go or use it in your vehicle . When you turn on the anti-shock system, the C D player continuou s ly saves 10 seconds of mu- sic in memory .
25 Note: T he CD pla yer consum es ext ra battery pow er when you use the anti-shock sy stem. When you use t he CD player in a stable l ocation, re- peated ly press DAS until the icon d isappears to conserve battery power.
26 During play, pres s to return to the beginn ing of the current track. Press twice to ret urn t o the begi nning of the pre vious track, then re- peatedly press to move through the previ ous tracks or to move through the next tracks. To m ove to the beginning of the n ex t track, press .
27 To beg in scanni ng, press PLA Y MODE . Intr appears . Th en press PLA Y/ PA U S E . T he first track numbe r and --:0 0 appear and int r o scan starts from the f irst track on the CD. To return to no rmal play, press PLA Y/P AUSE . The current track’s elapsed time appe ars.
28 To repeat al l tracks on a CD, repea tedly press REPEA T/ENTER unt il RE- PEAT appears. The CD player continuously replays the CD. To cancel repeat play, press REPEA T/ENTER un til RE PEAT disappears. RANDOM PL AY In random pl ay, the CD player plays all the t r a cks once in r a ndom order, then automa tically stops.
29 PROGRAMMED PLAY You can program up to 2 2 track s on a CD to play in any ord er you choo se, and you can program the same track to play more than once. Follo w these steps to program and play a sequence. 1. Press PLA Y/P AUSE to t urn on the CD p layer .
30 T ROUBLES HOO TING If your CD player is not working prope rly, follow these suggestions to se e if you can e liminate the problem. I f t hese s uggestions d o not work, con- tact you r local Rad ioShack s tore for assistance. Problem Po ssible Cause Su gg est i on The CD player does not work.
31 Sound from a CD skips (continu ed) Moist ure has condensed on the pickup lens. Wait 1 ho ur for t he mo is- ture to evap orate. Pro ble m Poss i bl e C aus e S ugg e st i on 42-5 07 7.
32 CARE AND MA INTENANCE Your Optim us CD-3720 Portable Compac t Disc Player is an exam ple of superior design and craft smanship. The fol lowing sug gestions will hel p you care for your CD player so you can enjoy it for years. Keep the CD player dry.
33 W ipe the CD player with a dam p cloth occasion ally to keep it looking ne w. Do not use hars h chemicals, c leaning sol- vents, or strong detergents to clean the CD pl ayer. Always kee p the charging terminals on the recharge able batteries c lean.
34 information. T o clean the CD, use a CD cleaner kit (such as Cat . No. 42-226). • Keep CDs dry . A water drop can act as a lens and affect the laser beam f ocus.
35 SPEC IF ICAT IONS Frequenc y Res ponse ( ± 3 dB) . ........ ....... ..... ....... ....... ..... .... 20–2 0,000 Hz Line O utput .... ... .... ..... .. ..... ... .... ..... .. ..... ..... .. ..... .. ..... ..... .. ..... ..... .. ..... . 0.6 V Sam pling Frequency .
Radi oSh ack A Division of T andy Corporation Fort Worth, T exas 76102 8A8 Pri nted in Hong Kong Lim it ed O ne-Y ear War ranty This pr oduct i s wa rrant ed by RadioSh ack aga inst ma nufac turing de.
デバイスOptimus CD-3720の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Optimus CD-3720をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはOptimus CD-3720の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Optimus CD-3720の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Optimus CD-3720で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Optimus CD-3720を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はOptimus CD-3720の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Optimus CD-3720に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちOptimus CD-3720デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
