Page 2 - FEATURES; CD Changer
2 FEATURES © 1995 Tandy Corporation. All Rights Reserved. Optimus and Radio Shack are registered trademarks used by Tandy Corporation. Your Optimus System 728 Mini Ste-reo Compnent System is a versatileand high quality sound system. Itscomponents include a 3-disc carou-sel CD changer with 32-track m...
Page 3 - General; Auxiliary Input Jacks æ; Microphone Mixing
3 General Auxiliary Input Jacks æ let you connect an external audio inputsource to your system so you can lis-ten to or record from it. Microphone Mixing æ lets you sing along with the music you are playing. Important: Most material on com-pact discs and prerecorded tapes iscopyrighted. Unauthorized...
Page 4 - FCC INFORMATION; FCC Rules
4 FCC INFORMATION This system complies with the limitsfor a Class B digital device as speci-fied in part 15 of FCC Rules . These limits provide reasonable protectionagainst TV or radio interference in aresidential area. However, your sys-tem might cause TV or radio interfer-ence even when it is oper...
Page 5 - CONTENTS
5 CONTENTS Preparation ....................................................................................................... 7 Connecting the Speakers ............................................................................ 7Connecting an External Audio Source ....................................
Page 7 - PREPARATION
7 PREPARATION Note: Complete all connections be-fore connecting to AC power andturning it on. CONNECTING THE SPEAKERS 1. Press the red speaker terminal tab labeled SPEAKER R. Ch on the back of the system, insertthe stripped end of the rightspeaker’s striped wire into theterminal, then release the ta...
Page 8 - CLO
8 INSTALLING THE REMOTE CONTROL’S BATTERIES The remote control requires two AAbatteries (not supplied) for power.We recommend alkaline batteries,such as Radio Shack Cat. No. 23-557. Follow these steps to install batter-ies. 1. Press down and slide the battery compartment cover in the direc-tion of t...
Page 9 - OPERATION; SETTING THE CLOCK; Note: If you do not press
9 OPERATION TURNING POWER ON/OFF Warning: To protect your hearing,set VOLUME to MIN before you turn on the system. Press POWER to turn on the system. The STAND BY indicator turns offand the indicator above CD , TUNER , TAPE , or AUX lights. Notes: • If the indicator above CD , TAPE , or AUX appears,...
Page 10 - BASIC OPERATION
10 BASIC OPERATION Follow these steps to operate yoursystem. 1. Press CD , TUNER, TAPE , or AUX to select the desired audiosource. 2. If you select TUNER , select the desired station (see “Using theTuner”). If you select CD, TAPE , or AUX , start the selected audio source(see “Using the CD Changer” ...
Page 11 - USING HEADPHONES; Listening Safely
11 USING HEADPHONES You can use headphones (not sup-plied) to listen in privacy. Insert theheadphones’ 1 / 8 -inch (3.5 mm) plug into the PHONES jack. Notes: • Your local Radio Shack store sells a wide selection of head-phones. • Connecting headphones auto- matically disconnects the speak-ers. Liste...
Page 12 - Setting the Timer; Note; TIM
12 DISPLAYING THE TIME To display the clock while you usethe radio, press DISPLAY . To return to the radio display, press DISPLAY again. USING THE ELECTRONIC GRAPHIC EQUALIZER You can select any one of four presetsound characteristics using the sys-tem’s electronic graphic equalizer.Each setting dis...
Page 14 - TIM ON
14 Turning the Timer On/Off 1. Press TUNER or TAPE to select the desired audio source. 2. If you selected TUNER , select the desired station (see “Usingthe Tuner”) and adjust VOLUME to a comfortable listening level. If you selected TAPE , insert the desired tape, press PLAY , and adjust VOLUME to a ...
Page 15 - SLE
15 USING THE SLEEP TIMER You can set the system to play up to90 minutes, then automatically turnoff. 1. Press CD, TUNER, TAPE , or AUX to select the desired audiosource. 2. Tune to the desired AM or FM radio station, or start theselected CD, tape, or your exter- nal audio source. 3. Press POWER to t...
Page 16 - USING THE TUNER; Note: When you select; MANUAL TUNING; AM
16 USING THE TUNER Press TUNER to use the system’s tu- er. The indicator above TUNER lights. Note: When you select TUNER , the system automatically tunes to thestation that was playing when thesystem was turned off or when it waslast set to TUNER . You can tune to AM or FM radio sta-tions using manu...
Page 17 - MEMORY TUNING; Storing Stations in Memory
17 AUTOMATIC SEEK TUNING 1. Press BAND to select the desired AM or FM band. AM or FM appears on the display. 2. Press TUNING AUTO . The sys- tem automatically searches upthe band and stops when it findsthe next strong station. MEMORY TUNING You can store up to 10 AM and 10FM stations in memory. Stor...
Page 18 - Note: Repeatedly press
18 • To store stations into memory locations 6-10, press +5 then a memory location button (1 - 5). The station is stored, disappears, and the display shows the frequency. Note: This increases thememory location number by5. For example, if you press +5 , then press memory loca- tion button 2 , the ra...
Page 19 - USING THE CD CHANGER; LOADING A CD
19 USING THE CD CHANGER LOADING A CD 1. Press CD . 2. Press OPEN/CLOSE to open the CD compartment. Note: The CD carousel hasthree trays, each labeled with anumber, but only two trays showat a time when you open the CDcompartment. 3. Place a CD in either (or both) of the exposed trays, label side up....
Page 20 - RANDOM
20 SELECTING ANOTHER CD To select another CD, press CD SKIP before or during play. If the system is playing a CD, it stopsplaying it and begins playing the firsttrack of the selected CD. AUTOMATIC SEARCH The Automatic Search feature letsyou quickly locate the beginning ofany track on a CD, including...
Page 21 - REPEAT PLAY; Repeating a Single Track
21 Notes: • To repeat the current track, press SKIP . To play the next random track, press SKIP . • To repeat random play, before the last track ends, press REPEAT until REPEAT ALL appears on the display. • To stop random play, press STOP then RANDOM . RAN- DOM disappears from the dis- play. REPEAT ...
Page 22 - PROGRAMMED PLAY; FULL
22 PROGRAMMED PLAY You can program up to 32 tracksfrom any loaded CDs to play in anyorder you choose. Programming and Playing a Sequence of Tracks 1. Press STOP to cancel any CD function. 2. Press PROGRAM . The display shows MEMORY - - - P-01 (the current position in the pro-grammed sequence). 3. Pr...
Page 24 - USING THE CASSETTE DECK
24 USING THE CASSETTE DECK The system has two cassette decks.You can use Deck 1 for normal play-back, consecutive play, and dubbing(recording). You can use Deck 2 fornormal playback and consecutiveplay. Both decks (1 and 2) have a full-re-lease auto-stop system to protecttapes and prevent pinch roll...
Page 25 - RECORDING; Dubbing Cassette Tapes
25 4. To fast-forward or rewind the tape, press STOP/EJECT then press FAST-F or REWIND on the deck you are using. To temporarily stop playback,press PAUSE on the deck you are using. Press PAUSE again to continue playback. To stop playback, fast-forward,or rewind, press STOP/EJECT on the deck you are...
Page 27 - Caution: Do not force down
27 Notes: • To copy a programmed sequence, store the desiredsequence before continuingwith Step 4. • To copy a CD’s tracks in ran- dom sequence, press RAN- DOM so RANDOM appears on the display before continuingwith Step 4. 4. Simultaneously press PAUSE on Deck 1 and PLAY/PAUSE on the CD player. The ...
Page 28 - Timer Recording; TIM ON OFF
28 Timer Recording You can set the system to automati-cally turn itself on, record from a se-lected audio source (such as thetuner or a cassette tape in Deck 2)onto a cassette tape in Deck 1, thenturn itself off at the time you set. 1. Repeat Steps 1-7 in “Using the Timer,” to set the start and endt...
Page 29 - MICROPHONE MIXING
29 MICROPHONE MIXING Using an external microphone with a 1 / 8 -inch plug (not supplied), you can sing along with selections on CDs orcassette tapes, or with a song playedover the radio. Warning: To prevent damage toyour hearing, set VOLUME to its min- imum level before you turn on thesystem. Note: ...
Page 30 - CARE AND MAINTENANCE
30 CARE AND MAINTENANCE Your Optimus System 728 Mini Stereo Compnent System is an example of su-perior design and craftsmanship. The following suggestions will help you care forthe system so you can enjoy it for years. Keep the system dry. If it gets wet, wipe it dry immediately. Liquidsmight contai...
Page 31 - CD CARE TIPS; TAPE TIPS; Erasing a Cassette Tape
31 CD CARE TIPS Even though a compact disc is verydurable, treat the CD surface withcare. We recommend the followingprecautions: • Do not write on either side of the CD, particularly the non-labelside (signals are read from thenon-label side). • Do not store CDs in high tem- perature, high-humidity ...
Page 33 - SPECIFICATIONS; Cassette
33 SPECIFICATIONS Cassette Tape Speed ....................................................................................... 4.75 cm/sec Wow and Flutter ............................................................................ 0.35% WRMS Frequency Response ..........................................
Page 35 - NOTES
35 NOTES 13-1275.fm Page 35 Wednesday, July 14, 1999 3:59 PM
Page 36 - RADIO SHACK LIMITED WARRANTY
RADIO SHACK A Division of Tandy Corporation Fort Worth, Texas 76102 7A5 Printed in Hong Kong RADIO SHACK LIMITED WARRANTY This product is warranted against defects for 90 days from date of pur-chase from Radio Shack company-owned stores and authorized RadioShack franchisees and dealers. Within this ...