42-5080.fm Page 1 Thursday, August 12, 1999 1:25 PM Cat. No. 42-5080 OWNER’S MANUAL Please read before using this equipment.
42-5080.fm Page 2 Thursday, August 12, 1999 1:25 PM FEATURES Your Optimus CD-3790 Portable Compact Disc Player uses the latest digital audio technology to deliver the clean, crisp sound of compact discs. You can connect the CD player to your home audio or autosound system, or connect a pair of stereo headphones for portable, private listening.
42-5080.fm Page 3 Thursday, August 12, 1999 1:25 PM Cue — lets you cue a track for play at a later time. Intro Scan — scans and plays the first 10 seconds of each track, so you can find a specific track. Auto Power On/Off — automatically turns on the CD player when you press PLAY/PAUSE, and turns it off when you press STOP/CLEAR or 2 minutes after it finishes playing, to help preserve battery life.
2-5080.fm Page 4 Thursday, August 12, 1999 1:25 PM This CD player is made and tested to meet exacting safety standards. It meets FCC requirements and complies with safety performance standards of the U.S. Department of Health and Human Services. Warnings: • This CD player employs a laser light beam. Only a qualified service person should remove the cover or attempt to service this device, due to possible eye injury.
42-5080.fm Page 5 Thursday, August 12, 1999 1:25 PM CONTENTS Powering the CD Player ...................................................................................... Using Batteries ................................................................................................ Recharging Nickel-Cadmium Batteries ..................................................... Using Vehicle Battery Power ........................................................................... Using AC Power ..................
42-5080.fm Page 6 Thursday, August 12, 1999 1:25 PM POWERING THE CD PLAYER You can power your CD player from any of these sources: Follow these steps to install the batteries.
42-5080.fm Page 7 Thursday, August 12, 1999 1:25 PM Cautions: • If you will not be using the CD player with battery power for more than a month, or if you plan to use only AC or DC power, remove the batteries. • Dispose of old batteries promptly and properly.
42-5080.fm Page 8 Thursday, August 12, 1999 1:25 PM Important: Your CD player is capable of using nickel-cadmium batteries. At the end of the batteries’ useful life, they must be recycled or disposed of properly. Contact your local, county, or state hazardous waste management authorities for information on recycling or disposal programs in your area.
42-5080.fm Page 9 Thursday, August 12, 1999 1:25 PM USING AC POWER Follow these steps to connect the CD player to AC power. You can power the CD player from a standard AC outlet using an optional AC adapter such as Cat. No. 273-1664. Cautions: • You must use an AC adapter that supplies 6 volts and delivers at least 500 milliamps. Its center tip must be set to positive, and its plug must correctly fit the CD player’s DC IN 6V jack. The recommended adapter meets these specifications.
42-5080.fm Page 10 Thursday, August 12, 1999 1:25 PM CONNECTIONS You can listen to your CD player by connecting earphones/headphones or amplified speakers to the player’s PHONES jack, or by connecting a home audio or autosound system to the CD player’s LINE OUT jack. Note: If the jacks on your equipment do not match the plugs on the supplied Ycable, check with your local RadioShack store for the proper cable adapter.
42-5080.fm Page 11 Thursday, August 12, 1999 1:25 PM CONNECTING AMPLIFIED SPEAKERS CONNECTING TO AN AUTOSOUND SYSTEM You can listen to your CD player through optional amplified speakers (such as Cat. No. 40-1387). Plug the speaker cable’s 1/8-inch plug into the CD player’s PHONES jack. You can listen to your CD player through your autosound system in one of the following ways: • If your autosound system has LINE IN jacks, connect the supplied Ycable’s 1/8-inch plug to the CD player’s LINE OUT jack.
42-5080.fm Page 12 Thursday, August 12, 1999 1:25 PM • If your autosound system has a cassette deck, connect the supplied CD-to-cassette adapter’s plug to the CD player’s PHONES jack. Then insert the adapter’s other end into your cassette deck just like a standard cassette. Note: You can mount your CD player in your car using an optional mounting bracket. Your local RadioShack store has a complete line of mounting brackets and hardware.
42-5080.fm Page 13 Thursday, August 12, 1999 1:25 PM OPERATION LOADING A CD Caution: To help prevent dust from entering the CD player, always keep the CD compartment cover closed except when loading or unloading CDs. 1. Set OFF/RESUME/HOLD to OFF. 2. Slide OPEN in the direction of the arrow and lift the CD compartment cover. 3. Carefully place a CD, label side up, over the center hub inside the CD compartment. Then gently press the button in the center hub and the CD slides into place.
42-5080.fm Page 14 Thursday, August 12, 1999 1:25 PM If you connected an external power source, the CD player’s buttons light until you turn the CD player off or it turns off automatically. To temporarily stop play, press PLAY/ PAUSE . flashes. To resume play, press PLAY/PAUSE again. When the last track finishes playing, the CD stops and the display alternately shows the total number of tracks and total playing time of the CD for about 2 minutes, then the CD player automatically turns off.
42-5080.fm Page 15 Thursday, August 12, 1999 1:25 PM AUTOMATIC SEARCH MUSIC SYSTEM (ASMS) You can use ASMS before or during regular or programmed play (see “Programmed Play” on Page 16) to quickly locate any track on a CD. While the CD is stopped, repeatedly press or to move backward or forward to the desired track. Press PLAY/PAUSE to play the track. During play, press to return to the beginning of the current track. Press twice to return to the beginning of the previous track.
42-5080.fm Page 16 Thursday, August 12, 1999 1:25 PM REPEAT PLAY RANDOM PLAY You can repeat a single track on the CD, all tracks on the CD, or a programmed sequence (see “Programmed Play” ). You can have the CD player play all the tracks once in random order, then automatically stop. To start random play, repeatedly press PLAY MODE until appears on the display. To repeat a single track, press PLAY MODE once while the desired track is playing. appears, and the CD player continuously replays the track.
42-5080.fm Page 17 Thursday, August 12, 1999 1:25 PM 4. Repeat Steps 2 and 3 for each track you want to program, up to 24 tracks. Note: When you store the 24th track in memory, FuLL appears. 5. To play the programmed sequence, . lights press PLAY/PAUSE and the first track in the sequence plays. While the sequence plays, you can use to move forward or to move backward. 6. After the last programmed track ends, the CD player stops. To stop the CD before the end of the sequence, press STOP/CLEAR .
42-5080.fm Page 18 Thursday, August 12, 1999 1:25 PM RESUME LOCKING THE CONTROLS You can set the CD player to remember the track it was playing when you stopped the CD or it turned itself off. That way, when you play the CD again, the CD player resumes playing at the beginning of that track. You can protect your CD player from accidental program changes by locking MEMORY/E-BASS, PLAY MODE, , . , , and To set the CD player to resume, set OFF/ RESUME/HOLD to RESUME at any time.
42-5080.fm Page 19 Thursday, August 12, 1999 1:25 PM TROUBLESHOOTING If you have problems operating your CD player, try these suggestions. If they do not solve the problem, contact your local RadioShack store for assistance. Problem The CD player does not work. Possible Cause OFF/RESUME/HOLD is set to HOLD. No power. Solution Set OFF/RESUME/HOLD to OFF. Be sure the batteries are not weak. Make sure an AC adapter or the DC adapter is properly connected.
42-5080.fm Page 20 Thursday, August 12, 1999 1:25 PM CARE AND MAINTENANCE Your Optimus CD-3790 Portable Compact Disc Player is an example of superior design and craftsmanship. The following suggestions will help you care for your CD player so you can enjoy it for years. Keep the CD player dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits. Use and store the CD player only in normal temperature environments.
42-5080.fm Page 21 Thursday, August 12, 1999 1:25 PM REPLACING THE DC ADAPTER’S FUSE If the CD player stops operating, check the fuse in the DC adapter’s cigarettelighter plug. If it has blown, follow these steps to replace it with a 3-amp, 5 × 20 mm, fast-acting fuse such as Cat. No. 270-1054 (not supplied). Caution: Using a fuse that does not meet these ratings can damage your CD player or the vehicle’s electrical system. 1. Carefully unscrew the tip of the cigarette-lighter plug.
42-5080.fm Page 22 Thursday, August 12, 1999 1:25 PM SPECIFICATIONS AUDIO Frequency Response ........................................................... 20–20,000 Hz (±3 dB) Dynamic Range ............................................................................................. 80 dB Signal-to-Noise Ratio ..................................................................................... 80 dB Harmonic Distortion at 1 kHz ........................................................................ 0.
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42-5080.fm Page 24 Thursday, August 12, 1999 1:25 PM Limited One-Year Warranty This product is warranted by RadioShack against manufacturing defects in material and workmanship under normal use for one (1) year from the date of purchase from RadioShack company-owned stores and authorized RadioShack franchisees and dealers.