Optimus SYSTEM 748 Owner's Manual
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Optimus SYSTEM 748 Owner's Manual

Optimus SYSTEM 748 Owner's Manual

Mini stereo component system
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13-1296.fm Page 1 Wednesday, July 14, 1999 7:16 PM
Cat. No. 13-1296
OWNER'S MANUAL
Please read before using this equipment.
SYSTEM 748
System 748
Mini Stereo Component System

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  • Page 1 13-1296.fm Page 1 Wednesday, July 14, 1999 7:16 PM Cat. No. 13-1296 OWNER’S MANUAL Please read before using this equipment. SYSTEM 748 System 748 Mini Stereo Component System...
  • Page 2 1-Bit DAC — uses the latest in digital- the normal speed. to-analog conversion circuitry to accu- rately reproduce all sound levels with virtually no distortion. © 1997 Tandy Corporation. All Rights Reserved. RadioShack and Optimus are registered trademarks used by Tandy Corporation.
  • Page 3 RISK OF ELECTRIC SHOCK. end. DO NOT OPEN. CAUTION: TO REDUCE THE RISK OF Note: The System 748 requires two ELECTRIC SHOCK, DO NOT REMOVE COVER OR BACK. NO USER-SERVICE- AAA batteries (not supplied) for the re- ABLE PARTS INSIDE. REFER SERVIC- mote control and two AA batteries (not ING TO QUALIFIED PERSONNEL.

  • Page 4: Fcc Information

    13-1296.fm Page 4 Wednesday, July 14, 1999 7:16 PM FCC INFORMATION This system complies with the limits for a Class B digital device as speci- fied in Part 15 of FCC Rules . These limits provide reasonable protection against TV or radio interference in a residential area.

  • Page 5: Table Of Contents

    13-1296.fm Page 5 Wednesday, July 14, 1999 7:16 PM CONTENTS Preparation ........................6 Connecting the Speakers ..................6 Connecting the FM Antenna ................... 6 Connecting to Power ....................6 Installing the System’s Backup Batteries ..............7 Installing the Remote Control’s Batteries ..............7 Using Headphones ....................

  • Page 6: Preparation

    13-1296.fm Page 6 Wednesday, July 14, 1999 7:16 PM PREPARATION Note: Complete all other connections CONNECTING THE FM before you connect the system to AC ANTENNA power and turn it on. Press the black FM antenna terminal tabs labeled on the back FM ANTENNA CONNECTING THE of the system, put the stripped end of...

  • Page 7: Installing The System's Backup Batteries

    13-1296.fm Page 7 Wednesday, July 14, 1999 7:16 PM INSTALLING THE We recommend you replace the sys- tem’s backup batteries every year to SYSTEM’S BACKUP ensure it retains the preset radio sta- BATTERIES tions. To retain the preset radio stations dur- ing an AC power loss, install two alka- INSTALLING THE line AA batteries (such as Cat.

  • Page 8: Using Headphones

    13-1296.fm Page 8 Wednesday, July 14, 1999 7:16 PM Caution: If you are not going to use Listening Safely the remote control for a month or more, remove its batteries. Batteries To protect your hearing, follow these can leak damaging chemicals. guidelines when you use headphones.

  • Page 9: Basic Operation

    13-1296.fm Page 9 Wednesday, July 14, 1999 7:16 PM BASIC OPERATION Follow these steps to operate your 4. Adjust to a VOLUME system. comfortable listening level. 1. Press to turn on the sys- POWER tem. STANDBY turns off, the display lights, and the last se- lected system settings appear.

  • Page 10: Using The Remote Control

    13-1296.fm Page 10 Wednesday, July 14, 1999 7:16 PM USING THE REMOTE To use the remote control, point it to- ward REMOTE SENSOR on the system CONTROL and press the desired buttons. The remote control’s buttons have the same functions as the corresponding buttons on the main system.

  • Page 11: Tuner Operation

    13-1296.fm Page 11 Wednesday, July 14, 1999 7:16 PM TUNER OPERATION 1. Set You can also use automatic tuning TAPE/TUNER/CD TUNER (see “Automatic Tuning” The system automatically tunes to Page 12) or memory tuning (see the station that was playing when “Memory Tuning”...

  • Page 12: Automatic Tuning

    13-1296.fm Page 12 Wednesday, July 14, 1999 7:16 PM AUTOMATIC TUNING 2. Tune to the station you want to store, then press MEMORY appears. You can use automatic tuning to skip MEM- to the next available station in your ar- show location of MEMORY Press .
  • Page 13 13-1296.fm Page 13 Wednesday, July 14, 1999 7:16 PM Note: This increases the memory location number by 5. For exam- ple, if you press , then MEMORY , then , the radio stores SHIFT the selected frequency into mem- ory location 10. 4.

  • Page 14: Cd Player Operation

    13-1296.fm Page 14 Wednesday, July 14, 1999 7:16 PM CD PLAYER OPERATION LOADING A CD Notes: • Track number and the current 1. Set TAPE/TUNER/CD tray number appear while the sys- tem checks each tray. 2. Press to open the OPEN/CLOSE CD compartment.

  • Page 15: Playing A Cd

    13-1296.fm Page 15 Wednesday, July 14, 1999 7:16 PM PLAYING A CD 4. The system plays all the loaded CDs once, then stops. To stop play sooner, press STOP After loading a CD, follow these steps to play it. 1. Press PLAY/PAUSE show STOP location show PLAY/PAUSE location...

  • Page 16: Audible Search

    13-1296.fm Page 16 Wednesday, July 14, 1999 7:16 PM If a CD is playing: RANDOM PLAY • Press once to skip to SKIP This feature randomly selects and the beginning of the next track. plays tracks from all loaded CDs. •...

  • Page 17: Repeat Play

    13-1296.fm Page 17 Wednesday, July 14, 1999 7:16 PM 4. To briefly stop random play, press To cancel repeat play at any time, re- appears. To peatedly press until REPEAT PLAY/PAUSE REPEAT resume play, press it again. disappears. 5. To stop random play, press STOP then disap-...

  • Page 18: Reviewing The Programmed Sequence

    13-1296.fm Page 18 Wednesday, July 14, 1999 7:16 PM 6. Repeat Steps 3–5 to program until the selection number GRAM more selections. display you want to replace appears. shows how many selections you Then repeat Steps 3–5 to select have stored. and store the new selection.

  • Page 19: Cd Care Tips

    13-1296.fm Page 19 Wednesday, July 14, 1999 7:16 PM CD CARE TIPS Even though a compact disc is very durable, treat the CD’s surface with care. We recommend the following precautions: • Do not place anything but a CD in the disc tray.

  • Page 20: Cassette Deck Operation

    13-1296.fm Page 20 Wednesday, July 14, 1999 7:16 PM CASSETTE DECK OPERATION The system has two cassette decks. 2. Press to open STOP/EJECT You can use both for normal playback the cassette compartment door. and consecutive play, and you can also use Deck 1 for dubbing (record- ing).

  • Page 21: Using Consecutive Play

    13-1296.fm Page 21 Wednesday, July 14, 1999 7:16 PM Notes: USING CONSECUTIVE PLAY • To temporarily stop playback, press . Press PAUSE PAUSE again to continue playback. You can set the tape player to play one side of a tape in Deck 2, then au- tomatically play one side of a tape in Deck 1.

  • Page 22: Dubbing (Copying) Cassette Tapes

    13-1296.fm Page 22 Wednesday, July 14, 1999 7:16 PM Notes: To record at twice the normal re- cording speed, set DUBBING • Tape quality greatly affects the HIGH quality of the recording. We rec- ommend regular length (60- or 90- Note: High speed dubbing pro- minute) cassette tapes.

  • Page 23: Recording From A Cd

    13-1296.fm Page 23 Wednesday, July 14, 1999 7:16 PM Recording from a CD 3. Set TAPE/TUNER/CD TUNER 4. Select the desired station, then 1. Load a blank cassette tape, or press on Deck 1 to re- PAUSE one you want to record over, into lease it and start recording.

  • Page 24: Tape Tips

    13-1296.fm Page 24 Wednesday, July 14, 1999 7:16 PM TAPE TIPS Erasing a Cassette Tape To erase a previously recorded sec- Preventing Accidental tion of a tape, simply record over it. To Erasure erase the entire cassette tape, let the tape record to the end with no source Cassette tapes have two erase- playing.

  • Page 25: Care And Maintenance

    13-1296.fm Page 25 Wednesday, July 14, 1999 7:16 PM CARE AND MAINTENANCE Your Optimus System 748 Mini Stereo Component System is an example of supe- rior design and craftsmanship. The following suggestions will help you care for the system so you can enjoy it for years.

  • Page 26: Cleaning The Tape- Handling Parts

    13-1296.fm Page 26 Wednesday, July 14, 1999 7:16 PM CLEANING THE TAPE- Deck 2 HANDLING PARTS Dirt, dust or particles of the tape’s coating can accumulate on the tape heads and other parts that the tape touches. This can greatly reduce the performance of the cassette player.

  • Page 27: Specifications

    13-1296.fm Page 27 Wednesday, July 14, 1999 7:16 PM SPECIFICATIONS Cassette Tape Speed ................1 ips (4.75 cm/sec) Wow and Flutter ................0.35% WRMS Frequency Response ............. 125 Hz–8 kHz ±4 dB Recording System ..................AC Bias Erase System .................... Magnetic CD Player Number of Tracks to be Programmed .............
  • Page 28 13-1296.fm Page 28 Wednesday, July 14, 1999 7:16 PM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workman- ship under normal use for ninety (90) days from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and dealers.

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