3-1296.fm Page 1 Wednesday, July 14, 1999 7:16 PM Cat. No. 13-1296 OWNER’S MANUAL Please read before using this equipment.
13-1296.fm Page 2 Wednesday, July 14, 1999 7:16 PM FEATURES Your Optimus System 748 Mini Stereo Component System offers all the versatile features you need for excellent stereo sound and entertainment, combined in one compact package.
13-1296.fm Page 3 Wednesday, July 14, 1999 7:16 PM Consecutive Play æ automatically plays one side of two tapes in sequence. Warning: To prevent fire or shock hazard, do not expose this product to rain or moisture. Auto-Stop — protects the tape and tape-handling parts by automatically stopping the tape when it reaches the end. Note: The System 748 requires two AAA batteries (not supplied) for the remote control and two AA batteries (not supplied) for system backup.
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 specified in Part 15 of FCC Rules. These limits provide reasonable protection against TV or radio interference in a residential area. However, your system might cause TV or radio interference even when it is operating properly. To eliminate interference, you can try one or more of the following corrective measures.
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 .........................................................................
13-1296.fm Page 6 Wednesday, July 14, 1999 7:16 PM PREPARATION Note: Complete all other connections before you connect the system to AC power and turn it on. CONNECTING THE FM ANTENNA CONNECTING THE SPEAKERS Press the black FM antenna terminal tabs labeled FM ANTENNA on the back of the system, put the stripped end of the supplied FM antenna wires into the terminals, then release the tabs. show antenna terminals location show speaker connections CONNECTING TO POWER 1.
13-1296.fm Page 7 Wednesday, July 14, 1999 7:16 PM INSTALLING THE SYSTEM’S BACKUP BATTERIES We recommend you replace the system’s backup batteries every year to ensure it retains the preset radio stations. To retain the preset radio stations during an AC power loss, install two alkaline AA batteries (such as Cat. No. 23557) into the system’s battery compartment. INSTALLING THE REMOTE CONTROL’S BATTERIES 1. Push in the battery compartment cover’s tab and lift off the cover.
13-1296.fm Page 8 Wednesday, July 14, 1999 7:16 PM Caution: If you are not going to use the remote control for a month or more, remove its batteries. Batteries can leak damaging chemicals. You can use the remote control up to a distance of about 25 feet. If the remote control operates erratically or does not work, replace both batteries. USING HEADPHONES You can use headphones (not supplied) to listen in privacy. Insert the headphones’ 1/8-inch (3.5 mm) plug inPHONES jack.
13-1296.fm Page 9 Wednesday, July 14, 1999 7:16 PM BASIC OPERATION 1. Press POWER to turn on the system. STANDBY turns off, the display lights, and the last selected system settings appear. show location of POWER button 2. Set TAPE/TUNER/CD to select the mode, so appears around the selected mode. show location of TAPE/TUNER/CD switch 〈 / 4. Adjust VOLUME comfortable listening level. 〉 Follow these steps to operate your system. to a show location of VOLUME 5.
13-1296.fm Page 10 Wednesday, July 14, 1999 7:16 PM USING THE REMOTE CONTROL To use the remote control, point it toward REMOTE SENSOR on the system and press the desired buttons. The remote control’s buttons have the same functions as the corresponding buttons on the main system. show location of remote sensor receiver Notes: • Make sure you have a clear path between the remote control and the sensor.
13-1296.fm Page 11 Wednesday, July 14, 1999 7:16 PM TUNER OPERATION 1. Set TAPE/TUNER/CD to TUNER. The system automatically tunes to the station that was playing when the system was turned off or when it was last set to TUNER. 2. Set AM/FM to the desired band. The selected band and the last selected station in that band appear. show location of AM/FM button You can also use automatic tuning (see “Automatic Tuning” on Page 12) or memory tuning (see “Memory Tuning” on Page 12).
13-1296.fm Page 12 Wednesday, July 14, 1999 7:16 PM AUTOMATIC TUNING You can use automatic tuning to skip to the next available station in your area. Press AUTO SCAN. The tuner automatically searches up the band and stops when it finds the next active station. show location of AUTO SCAN 2. Tune to the station you want to store, then press MEMORY. MEM- appears. show location of MEMORY 3. To store stations into memory locations 1–5, press a memory location button (1/6, 2/7, 3/8, 4/9, or 5/ 0).
-1296.fm Page 13 Wednesday, July 14, 1999 7:16 PM Note: This increases the memory location number by 5. For example, if you press MEMORY, then SHIFT, then 5/0, the radio stores the selected frequency into memory location 10. 4. Repeat Steps 1–3 for the other band. To recall preset stations 1–5, simply press the desired memory location button. To recall preset stations 6–10, press SHIFT , then press the desired memory location button.
13-1296.fm Page 14 Wednesday, July 14, 1999 7:16 PM CD PLAYER OPERATION LOADING A CD 1. Set TAPE/TUNER/CD to CD. 2. Press OPEN/CLOSE to open the CD compartment. show location of OPEN/CLOSE Note: The CD carousel has three trays, each labeled with numbers, but only two trays show at a time when you open the CD compartment. 3. Place a CD in either (or both) of the exposed trays, label side up. To load a CD in the third tray, press DISC SKIP. The carousel rotates, exposing the other tray.
13-1296.fm Page 15 Wednesday, July 14, 1999 7:16 PM PLAYING A CD After loading a CD, follow these steps to play it. 1. Press PLAY/PAUSE 4. The system plays all the loaded CDs once, then stops. To stop play sooner, press STOP. . show STOP location show PLAY/PAUSE location The CD in the current tray begins to play from Track 1. The system displays , the current tray number, and the CD’s current track number. Notes: • If a tray does not contain a CD, no appears.
13-1296.fm Page 16 Wednesday, July 14, 1999 7:16 PM If a CD is playing: once to skip to • Press SKIP the beginning of the next track. once to skip back • Press SKIP to the beginning of the current track. to • Repeatedly press SKIP skip backward or SKIP to skip forward to the beginning of the desired track. If the CD is stopped or paused, repeatedly press SKIP or SKIP until the system displays the number of the track you want to play, then press PLAY/PAUSE . The CD player starts playing the selected track.
13-1296.fm Page 17 Wednesday, July 14, 1999 7:16 PM 4. To briefly stop random play, press PLAY/PAUSE y . y appears. To resume play, press it again. To cancel repeat play at any time, repeatedly press REPEAT until REPEAT disappears. 5. To stop random play, press STOP then RANDOM. RANDOM disappears. PROGRAMMED PLAY REPEAT PLAY You can repeat a single track on a selected CD, all tracks on a selected CD, all tracks on all loaded CDs, or a programmed sequence (see Programmed Play”).
13-1296.fm Page 18 Wednesday, July 14, 1999 7:16 PM 6. Repeat Steps 3–5 to program more selections. The display shows how many selections you have stored. Note: You cannot store more than 32 selections. Any track or CD stored after the 32nd selection replaces that track or CD. 7. Press PLAY/PAUSE to play the tracks in the programmed order. The system displays the current tray number and track number. 8. Programmed play automatically stops at the end of the last programmed track.
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. This can damage the drive mechanism. • Do not write on either side of the CD, particularly the non-label side (signals are read from the non-label side). • Do not store CDs in hightemperature, high-humidity locations. The CDs might warp. • Keep CDs dry.
13-1296.fm Page 20 Wednesday, July 14, 1999 7:16 PM CASSETTE DECK OPERATION The system has two cassette decks. You can use both for normal playback and consecutive play, and you can also use Deck 1 for dubbing (recording). Both Deck 1 (1 RECORD/PLAYBACK) and Deck 2 (PLAYBACK 2) have a full-release auto-stop system to protect tapes and prevent pinch roller damage. When a tape reaches the end of a side, the tape mechanism automatically stops and releases the tape.
13-1296.fm Page 21 Wednesday, July 14, 1999 7:16 PM Notes: • To temporarily stop playback, press PAUSE y . Press PAUSE y again to continue playback. show PAUSE location USING CONSECUTIVE PLAY You can set the tape player to play one side of a tape in Deck 2, then automatically play one side of a tape in Deck 1. 1. Load the cassette you want to hear first in Deck 2 and the second cassette in Deck 1. • To fast-forward or rewind the tape, press STOP/EJECT , then press FAST-F or REWIND .
13-1296.fm Page 22 Wednesday, July 14, 1999 7:16 PM Notes: • Tape quality greatly affects the quality of the recording. We recommend regular length (60- or 90minute) cassette tapes. For lownoise, wide-range recordings, use normal-bias tape. • The recording level is preset. XBASS , STEREO WIDE, and VOLUME have no effect on the recording level or quality. Dubbing (Copying) Cassette Tapes You can copy from one cassette tape to another at normal or high speed, and you can monitor the tape as you dub it. 1.
13-1296.fm Page 23 Wednesday, July 14, 1999 7:16 PM Recording from a CD 1. Load a blank cassette tape, or one you want to record over, into Deck 1. then RECORD . 2. Press PAUSE PLAY and RECORD lock down. 3. Set TAPE/TUNER/CD to TUNER. 4. Select the desired station, then on Deck 1 to repress PAUSE lease it and start recording. The system records on the cassette until it reaches the end of the side, then the cassette deck automatically stops. 3. Set TAPE/TUNER/CD to CD . Notes: 4.
13-1296.fm Page 24 Wednesday, July 14, 1999 7:16 PM TAPE TIPS Erasing a Cassette Tape Preventing Accidental Erasure To erase a previously recorded section of a tape, simply record over it. To erase the entire cassette tape, let the tape record to the end with no source playing. Cassette tapes have two eraseprotection tabs æ one for each side. To protect a recording from being accidentally recorded over or erased, use a screwdriver to remove one or both of the cassette tape’s eraseprotection tabs.
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 superior design and craftsmanship. The following suggestions will help you care for the system so you can enjoy it for years. Keep the system dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits. Handle the system gently and carefully.
13-1296.fm Page 26 Wednesday, July 14, 1999 7:16 PM CLEANING THE TAPEHANDLING 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. Use the following cleaning procedure after every 20 hours of tape player operation. Your local RadioShack store sells a wide selection of cassette deck cleaning supplies. 1. Disconnect power. 2. Open the cassette compartment doors. 3.
13-1296.fm Page 27 Wednesday, July 14, 1999 7:16 PM SPECIFICATIONS Cassette Tape Speed ........................................................................... 17/8 ips (4.75 cm/sec) Wow and Flutter ................................................................................ 0.35% WRMS Frequency Response ............................................................. 125 Hz–8 kHz ±4 dB Recording System ......................................................................................
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 workmanship under normal use for ninety (90) days from the date of purchase from RadioShack companyowned stores and authorized RadioShack franchisees and dealers.
