3-1279.fm Page 1 Wednesday, July 14, 1999 4:50 PM Cat. No. 13-1279 OWNER’S MANUAL Please read before using this equipment.
13-1279.fm Page 2 Wednesday, July 14, 1999 4:50 PM FEATURES Your Optimus System 734 Mini Stereo Component System offers, in one attractive package, all of the versatile features that you need for excellent stereo sound and entertainment. The System 734 includes a 3-disc automatic CD changer, AM/FM stereo tuner, dual hi-speed dubbing cassette deck, speakers, and a remote control, as well as three preset equalizer controls.
13-1279.fm Page 3 Wednesday, July 14, 1999 4:50 PM Soft Cassette Tape Eject — slowly opens the cassette compartment door when you press the eject button, so the tape does not pop out. Auxiliary Input Jacks — let you connect an additional audio source, such as a TV, VCR, turntable, or an external CD changer or cassette deck, to your system. OTHER SPECIAL FEATURES Digital Synthesized Tuning — eliminates tuning drift by locking the tuner on the selected frequency.
13-1279.fm Page 4 Wednesday, July 14, 1999 4:50 PM Read this manual carefully. It will help you get the most enjoyment from your System 734. For your records, we urge you to record the serial number of your System 734 in the space below. The serial number is located on the back of the system. Serial Number __________________ Note: CDs that can be played on this changer have this mark on them: 4 Note: Most material on compact discs and prerecorded tapes is copyrighted.
13-1279.fm Page 5 Wednesday, July 14, 1999 4:50 PM TABLE OF CONTENTS Preparation ........................................................................................................... 7 Connecting the Speakers ................................................................................ 7 Connecting the Antennas ................................................................................ 7 Connecting an Additional Audio Source .........................................................
13-1279.fm Page 6 Wednesday, July 14, 1999 4:50 PM Cassette Deck Operation .................................................................................. Loading a Tape .............................................................................................. Playing a Tape ............................................................................................... Consecutive Play .................................................................................... Recording a Cassette Tape ....
13-1279.fm Page 7 Wednesday, July 14, 1999 4:50 PM PREPARATION Important: • Complete all connections to the System 734 before you connect it to power. • Be sure to follow all of the installation instructions described in the enclosed “Safety Instructions.” CONNECTING THE ANTENNAS To connect the supplied AM and FM antennas, press open the pair of terminal tabs marked AM or FM (75W), then insert the stripped end of the AM or FM antenna’s wires into the terminals. Release the tabs to close them.
13-1279.fm Page 8 Wednesday, July 14, 1999 4:50 PM Notes: • See “Using an Additional Audio Source” to operate an external audio source with the System 734. • If you connect a turntable to the System 734, the turntable must have a built-in equalizer amplifier. SETTING THE CURRENT TIME 1. Press and hold CLOCK for about 2 seconds. The hour digit(s) flash. CONNECTING POWER To connect power after making all other connections, plug your system’s AC cord into a standard AC outlet.
13-1279.fm Page 9 Wednesday, July 14, 1999 4:50 PM • If the hour digit stops flashing before you finish setting the hour, start again from Step 1. 3. Press CLOCK. The minute digits flash. • The time appears constantly while the System 734 is turned off. To display the time at any time while the system is turned on, simply press CLOCK. The current time briefly appears. INSTALLING BATTERIES IN THE REMOTE CONTROL 4.
13-1279.fm Page 10 Wednesday, July 14, 1999 4:50 PM 2. Insert the batteries into the compartment as indicated by the polarity symbols (+ and –) marked inside. To connect headphones, plug the headphone’s 1/4-inch plug into the PHONES jack on the front of the System 734. 3. Replace the cover. Notes: • If you will not be using the remote control for a month or more, remove the batteries.
13-1279.fm Page 11 Wednesday, July 14, 1999 4:50 PM BASIC OPERATION Important: To prevent hearing damage, set the volume to its minimum level before turning on the system (see “Setting the Sound”). USING THE REMOTE CONTROL The remote control communicates with your system through a remote sensor located on the left of the system’s display. To use the remote control, be sure that the front end of it is pointing with a clear path toward the system’s display, then press the desired button(s).
13-1279.fm Page 12 Wednesday, July 14, 1999 4:50 PM Each time you increase or decrease the volume, the current volume setting, measured in decibels (dB), appears on the display. You can adjust the volume anywhere from –68 dB (low) to 0 dB (high). To return to normal bass sound, press it again so the button clicks and pops out.
-1279.fm Page 13 Wednesday, July 14, 1999 4:50 PM SETTING THE ON/OFF TIMER You can set the System 734 to automatically turn itself on, play the last selected radio station, CD, or cassette tape, then turn itself off again. 2. To increase or decrease the ontime hour setting, within 5 seconds press TUNING UP or DOWN , or PRESET/TUNING s or t on the remote control.
13-1279.fm Page 14 Wednesday, July 14, 1999 4:50 PM 6. To increase or decrease the offtime hour setting, within 5 seconds press TUNING UP or DOWN, or PRESET/TUNING s or t on the remote control. 11. Select the desired radio station or CD you want the System 734 to play when it turns itself on (see “Radio Operation” or “CD Changer Operation”). 7. Press TIMER SET again. The minute digits flash.
13-1279.fm Page 15 Wednesday, July 14, 1999 4:50 PM RADIO OPERATION LISTENING TO THE RADIO t 1. Repeatedly press FUNCTION until appears next to TUNER on the display. 2. Repeatedly press BAND to select AM or FM. As you press it, AM or FM and the last selected station appear on the display. 3. Repeatedly press TUNING UP or DOWN , or PRESET/TUNING s or t on the remote control, to tune to the desired station. As you press it, the frequency number changes on the display.
13-1279.fm Page 16 Wednesday, July 14, 1999 4:50 PM • To improve reception for weak FM stereo stations, press FM MONO. so MONO (monaural) appears on the display. The sound is no longer in stereo, but reception should improve. To return to stereo sound, press FM MONO. • For the best FM reception, fully extend the FM antenna. • For the best AM reception, turn the AM antenna until reception improves. 4. Adjust VOLUME, or VOLUME s/t on the remote control, and select the desired E-BASS and equalizer settings.
13-1279.fm Page 17 Wednesday, July 14, 1999 4:50 PM Notes: • You cannot clear a station from memory, but you can store a new one in its place. • When power is disconnected or interrupted for 24 hours or more, the System 734 loses all of its memory settings. Recalling a Stored Station 1. Press BAND to select the desired band. 2. If P- followed by a number does not appear on the display, press PRESET. P- appears on the display along with the last selected preset station. 3.
13-1279.fm Page 18 Wednesday, July 14, 1999 4:50 PM CD CHANGER OPERATION The System 734 lets you load up to three CDs at once and gives you many options to control the order in which the CDs play. 3. Carefully place a CD in slot number 1 with the label facing up. LOADING AND PLAYING A CD t 1. Repeatedly press FUNCTION until appears next to CD on the display. dISC appears. 2. Press OPEN/CLOSE . OPEN appears on the display, then the CD changer drawer opens. 4.
13-1279.fm Page 19 Wednesday, July 14, 1999 4:50 PM To play a different CD, repeatedly press DISC SKIP until the desired disc number appears on the display. t The selected dISC number flashes on the CD changer, 1 (the track number) and appear, then the CD begins to play and its elapsed play time appears on the display. • To display the current track’s remaining play time during play, press DISPLAY on the remote control once. Press it again to display the entire CD’s remaining play time.
13-1279.fm Page 20 Wednesday, July 14, 1999 4:50 PM To stop the CD changer at any time during play, press STOP. The selected CD’s total number of tracks and playing time appear. SPECIAL CD CHANGER FEATURES Automatic Search Music System (ASMS) The automatic search music system lets you skip forward or backward through the tracks on all loaded CDs. Loading/Unloading CDs During Play The System 734’s rotating 3-disc CD changer lets you load and unload up to two CDs while a third CD is playing.
13-1279.fm Page 21 Wednesday, July 14, 1999 4:50 PM Audible Search 3. The System 734 continuously plays tracks randomly. To stop the CD changer at any time during random play, press STOP. RANDOM, , and the CD’s elapsed play time disappear, then the selected CDs total number of tracks and playing time appear. t To search forward or backward during play, press and hold down SKIP/ SEARCH >> or <<. The CD rapidly advances, and you hear the tracks at a high speed and low volume.
13-1279.fm Page 22 Wednesday, July 14, 1999 4:50 PM INTRO Scanning Repeat Play The INTRO (introduction) scanning feature lets you review the first 10 seconds of each track on all loaded CDs. To use the INTRO scanning feature, simply press INTRO SCAN . INTRO appears on the display, and the CD changer plays the first 10 seconds of each track on all loaded CDs, beginning with the first track on the lowest numbered CD.
13-1279.fm Page 23 Wednesday, July 14, 1999 4:50 PM Cue To select a track before you begin play or after pressing PLAY/PAUSE to pause the current CD, press SKIP/SEARCH >> or << until the desired track number appears on the display. Then press PLAY/PAUSE to play the track. PROGRAMMED PLAY You can program the CD changer to play up to 32 tracks in any order you choose, and you can program the same CD or track to play more than once. Storing/Playing a Programmed Sequence 1.
13-1279.fm Page 24 Wednesday, July 14, 1999 4:50 PM 5. Repeat Steps 2-4 to store up to 32 tracks. Note: If you try to store more than 32 tracks, the CD changer automatically begins reviewing the tracks already stored, beginning with the first track (see “Reviewing a Programmed Sequence”). C(check) appears on the display, followed by memory position number ( 01, for example). This information remains on the display until you begin programmed play. t 6. Press PLAY/PAUSE to play the programmed sequence.
13-1279.fm Page 25 Wednesday, July 14, 1999 4:50 PM • To resume regular or random play after storing a programmed sequence, you must first erase the programmed sequence (see “Erasing a Programmed Sequence”). Reviewing a Programmed Sequence To review a programmed sequence, while play is stopped, repeatedly press PROGRAM. As you press it, the dISC and track number, and C- (check) followed by the memory position number of each stored track appears.
13-1279.fm Page 26 Wednesday, July 14, 1999 4:50 PM CD AND CD CHANGER CARE TIPS Although a CD is very durable, you should handle it with care. We recommend the following precautions. • Keep the CD in its protective case or sleeve when you are not playing it. • Keep the CD clean. Your local Radio Shack store sells a suitable CD cleaner kit. • Keep the CD dry. A drop of moisture can act as a lens and affect the laser beam’s focus. If it gets wet, wipe the CD with a soft, dry cloth before playing it.
13-1279.fm Page 27 Wednesday, July 14, 1999 4:50 PM CASSETTE DECK OPERATION Notes: • The remote control does not operate the System 734’s cassette deck. • The System 734’s Automatic Level Control (ALC) feature automatically adjusts the recording level. The VOLUME, E-BASS, and ROCK , POP, or CLASSIC settings have no effect on the recording. • Tape quality greatly affects the quality of the recording. We recommend regular length (60- or 90minute) cassette tapes.
13-1279.fm Page 28 Wednesday, July 14, 1999 4:50 PM 2. Press PLAY. The tape begins to play. 4. The System 734 automatically stops the tape when it reaches the end. To stop the tape at any time during playback, press STOP/ EJECT. Notes: • To briefly stop the tape during playback, press PAUSE. The button locks and the tape stops. Press PAUSE again to continue playback.
13-1279.fm Page 29 Wednesday, July 14, 1999 4:50 PM Note: To briefly stop the tape in either deck during playback, press PAUSE on the desired deck. The button locks and the tape stops. Press PAUSE again to continue playback. Recording from a CD Follow these steps to record from a CD onto a cassette tape. 1. Repeatedly press FUNCTION until appears next to CD on the display, then load the CDs you want to record into the CD changer.
13-1279.fm Page 30 Wednesday, July 14, 1999 4:50 PM t 4. Press RECORD on TAPE 1 and PLAY/PAUSE on the CD changer at the same time to begin recording. disappears, appears along with the CD’s elapsed play time, PLAY locks down along with RECORD , and the tape begins recording. 6. The System 734 automatically stops the tape when it reaches the end. To stop the tape at any time during recording, press STOP/ EJECT on TAPE 1. To stop the CD during or after recording, press STOP on the CD changer.
13-1279.fm Page 31 Wednesday, July 14, 1999 4:50 PM 4. Press RECORD, then PAUSE on TAPE 1. PLAY automatically locks down. 7. To listen to the tape in TAPE 2 during recording, adjust VOLUME, or VOLUME s/t on the remote control, and select the desired EBASS and equalizer settings. Note: If you use HIGH SPEED during recording, you hear the sound at one and a half times the normal speed. 5. To record at one and a half times the normal speed, press HIGH SPEED. HI-DUBB appears on the display.
13-1279.fm Page 32 Wednesday, July 14, 1999 4:50 PM Recording from the Radio The System 734 lets you record onto a cassette tape from any AM or FM radio station. You can also set it to automatically turn on at a preset time and begin recording from the radio. 1. Press BAND to select AM or FM, then tune to the desired station. 2. Load a blank cassette tape, or one you want to record over, into TAPE 1. 3. Press RECORD and PAUSE on TAPE 1. PLAY automatically locks down. 4.
13-1279.fm Page 33 Wednesday, July 14, 1999 4:50 PM TAPE TIPS Erasing a Cassette Tape To record over a cassette tape, simply record over the previous recording. To erase the entire cassette tape, select a function with no audio (such as CD with no CD playing) and let the tape record to the end. Note: The tape you are recording over must be a normal bias-type tape. To quickly erase a tape, you might prefer to use a bulk tape eraser (available at your local Radio Shack store).
13-1279.fm Page 34 Wednesday, July 14, 1999 4:50 PM USING AN ADDITIONAL AUDIO SOURCE LISTENING TO AN ADDITIONAL AUDIO SOURCE 1. Set VOLUME , or press VOLUME t on the remote control, to its lowest setting, and be sure that the audio source’s volume control (if any) is also set to its lowest level. t 2. Repeatedly press FUNCTION until appears next to AUX on the display. The current time appears on the display.
13-1279.fm Page 35 Wednesday, July 14, 1999 4:50 PM 8. To briefly stop the tape while recording, press PAUSE on TAPE 1. The button locks and the tape stops. Press PAUSE again to resume recording. 9. The System 734 automatically stops the tape when it reaches the end. To stop the tape at any time during recording, press STOP/ EJECT on TAPE 1. RECORD and PLAY release, and recording stops. 10. Stop play on the additional audio source as instructed in its owner’s manual.
13-1279.fm Page 36 Wednesday, July 14, 1999 4:50 PM TROUBLESHOOTING If your system is not working as it should, these suggestions might help you eliminate the problem. If the system still does not operate normally, take it to your local Radio Shack store for assistance. Symptom Possible Cause Suggestion Power does not turn on when POWER is pressed Power problem. Check the AC power cord and AC outlet. No sound. VOLUME DOWN/UP set Adjust VOLUME toward UP (or press VOLUME s on the remote control).
13-1279.fm Page 37 Wednesday, July 14, 1999 4:50 PM CARE AND MAINTENANCE Your Optimus System 734 Mini Stereo Component System is an example of superior design and craftsmanship. The following suggestions will help you care for the System 734 so you can enjoy it for years. Keep the System 734 dry. If it gets wet, wipe it dry immediately. Liquids contain minerals that can corrode the electronic circuits Handle the System 734 gently and carefully.
13-1279.fm Page 38 Wednesday, July 14, 1999 4:50 PM THE FCC WANTS YOU TO KNOW deck after every 20 hours of tape player operation. 1. Disconnect power. This stereo 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 radio and TV interference in a residential area. However, your stereo system might cause TV or radio interference even when it is operating properly.
13-1279.fm Page 39 Wednesday, July 14, 1999 4:50 PM SPECIFICATIONS CD CHANGER Frequency Response .........................................................................20 – 20000 Hz Signal-to-Noise Ratio..................................................................85 dB (1 kHz, 0 dB) Harmonic Distortion ................................................................... 0.05% (1 kHz, 0 dB) Separation .....................................................................................................
13-1279.fm Page 40 Wednesday, July 14, 1999 4:50 PM Distortion: Mono .................................................................................................. 0.3%, 1 kHz Stereo .................................................................................................. 0.5%, 1 kHz Alternate Channel Selectivity .........................................................50 dB (±400 kHz) Frequency Response ................................................ 30 to 15 kHz (+0.
13-1279.fm Page 41 Wednesday, July 14, 1999 4:50 PM Cabinet Type ....................................................................................................2-way Weight ..........................................................................................6 lbs. 10 0z. (3 kg) INFRARED REMOTE CONTROL Controls ........................................................................................................ 27 Keys Power Requirements .......................................................
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13-1279.fm Page 44 Wednesday, July 14, 1999 4:50 PM RADIO SHACK LIMITED WARRANTY This product is warranted against defects for 90 days from date of purchase from Radio Shack company-owned stores and authorized Radio Shack franchisees and dealers. Within this period, we will repair it without charge for parts and labor. Simply bring your Radio Shack sales slip as proof of purchase date to any Radio Shack store. Warranty does not cover transportation costs.
