2-2114.fm Page 1 Wednesday, July 14, 1999 12:35 PM Cat. No. 12-2114 OWNER’S MANUAL Please read before using this equipment.
12-2114.fm Page 2 Wednesday, July 14, 1999 12:35 PM FEATURES Your Optimus In-Dash AM/FM Stereo Cassette with Auto-Reverse has many practical, easy-to-use features, and you can install it in almost any vehicle. The stereo’s anti-theft faceplate is easy to remove, making the stereo inoperative. The tuner’s digital synthesized circuitry gives you precise tuning and drift-free reception.
12-2114.fm Page 3 Wednesday, July 14, 1999 12:35 PM Tone and Balance Controls — let you adjust high and low sounds and the balance between the left and right speakers, so you can tailor the sound to suit your preferences. Digital Synthesized Circuitry — gives you precise tuning and driftfree reception. We recommend you record your stereo’s serial number here. The number is on the top cover of the stereo.
12-2114.fm Page 4 Wednesday, July 14, 1999 12:35 PM CONTENTS Installation ...................................................................................................... 5 Before You Begin the Installation .............................................................. 5 Preparing the Mounting Area .............................................................. 5 Routing Speaker Wires ....................................................................... 5 Making the Connections .....................
12-2114.fm Page 5 Wednesday, July 14, 1999 12:35 PM INSTALLATION BEFORE YOU BEGIN THE INSTALLATION Before you install your stereo, read all the instructions in this owner’s manual.
12-2114.fm Page 6 Wednesday, July 14, 1999 12:35 PM Important: Do not cut these wires. If you cut any wire, you cannot obtain a refund or exchange on this product. However, your local RadioShack store will provide warranty service if you cut a wire and find the product is defective. You might need additional wire, depending on your individual autosound system, to complete the connections. Your local RadioShack store carries a full line of wire and wire management accessories.
12-2114.fm Page 7 Wednesday, July 14, 1999 12:35 PM Using an Adapter Harness If you are replacing an existing stereo, or if your vehicle has been factory-wired for autosound components, you might be able to use an adapter harness to connect the power and speakers. RadioShack stores sell adapter harnesses for most vehicles. Follow the directions that come with the adapter harness to temporarily connect the ground, power, optional components, and speakers. Then go to “Connecting the Antenna” on Page 9.
12-2114.fm Page 8 Wednesday, July 14, 1999 12:35 PM memory and clock display when the ignition is turned off.
12-2114.fm Page 9 Wednesday, July 14, 1999 12:35 PM 5. Cut the loop at the end of the blue/white AMP REMOTE TURN ON wire, strip about 1/2 inch of insulation from its end, then connect it to any optional equipment, designed to run from a switched source, that you want the stereo to turn on and off (such as a booster or a power antenna). This wire does not provide power to the components. It simply turns them on or off.
12-2114.fm Page 10 Wednesday, July 14, 1999 12:35 PM TESTING THE CONNECTIONS Turn on your vehicle’s ignition and install your stereo’s faceplate (see “Installing the Faceplate” on Page 13). The stereo’s display lights and the last station you tuned appears after about 5 seconds. If the stereo does not work, immediately disconnect the cable from your vehicle’s negative (–) battery terminal. Then recheck your connections. 2. Disconnect the wire harness and the antenna. 3.
12-2114.fm Page 11 Wednesday, July 14, 1999 12:35 PM 5. Insert the sleeve into the dash and bend out all the side tabs with a screwdriver to secure the sleeve. 6. Reconnect the wire harness and the antenna. 7. Slide the stereo into the sleeve until it locks into place. If you are securing the stereo to an existing mounting hole in the dash, push the mounting bolt (covered by the mounting grommet) through the existing mounting hole and make sure it is secure.
-2114.fm Page 12 Wednesday, July 14, 1999 12:35 PM REMOVING THE STEREO FROM THE DASH If you ever want to remove the stereo from the dash, follow these steps. 5. Insert both of the supplied keys into the slots at the middle left and right sides of the sleeve, press the keys inward until they lock into place, then slide the stereo out of the dash. 1. Disconnect the cable from your vehicle’s negative (–) battery terminal. 6. Disconnect the wire harness and the antenna. 2.
12-2114.fm Page 13 Wednesday, July 14, 1999 12:35 PM USING THE FACEPLATE The stereo’s faceplate must be in place for the stereo to operate. When you remove it, the display turns off and the stereo cannot be used. This is a simple but effective security measure. REMOVING THE FACEPLATE 1. Press REL. You hear a click and the faceplate swings out. Any stored stations remain in memory when the faceplate is removed.
12-2114.fm Page 14 Wednesday, July 14, 1999 12:35 PM BASIC OPERATION TURNING THE STEREO ON AND OFF To turn on the stereo, turn PWR./ VOL. clockwise until it clicks. To turn off the stereo, turn PWR./VOL. counterclockwise until it clicks. 3. While holding down F/C, repeatedly press TUNE s until the stereo displays the correct minute. (To quickly advance the minute, hold down TUNE s.) TONE BALANCE PWR. VOL. STEREO CASSE REL BALANCE PWR. TONE F/C TUNE 1 ASM SEEK 4 BAND VOL.
12-2114.fm Page 15 Wednesday, July 14, 1999 12:35 PM BALANCE — rotate to adjust the bal- ance between the right and left speakers. TONE — rotate to increase or decrease high sounds. BAND — press to select the desired band and memory group. ASM — hold down to automatically scan and store the next six strong stations in the selected band, or press to scan all stations stored in a selected memory group (see “Memory Tuning” on Page 16). F/C — press to display the current frequency or the clock.
12-2114.fm Page 16 Wednesday, July 14, 1999 12:35 PM RADIO OPERATION PLAYING THE RADIO 1. If the stereo is off, turn PWR./ VOL. clockwise until it clicks to turn it on. The radio automatically tunes to the last station selected. BALANCE PWR. 4. Adjust PWR./VOL., BALANCE and TONE as desired. Notes: • ST appears when an FM signal is received in stereo. • Each time you press BAND , the radio tunes to the last station selected in the band. TONE VOL. STEREO CASSE REL F/C TUNE 1 ASM SEEK BAND 4 2.
12-2114.fm Page 17 Wednesday, July 14, 1999 12:35 PM Automatically Storing Stations 4. To stop searching for stations before all stations are stored, press ASM again. 1. Repeatedly press BAND until the stereo displays the band and memory group where you want to store a group of stations. For example, to store the first group of AM stations into AM 1, press BAND until AM 1 appears. 2. Tune to the station just before the first station you want to store. 3.
12-2114.fm Page 18 Wednesday, July 14, 1999 12:35 PM Selecting a Stored Station To select a station, repeatedly press BAND to select the desired memory group, then press the desired memory location button. Note: Do not hold down the memory location button. This stores the currently tuned station into that location. Scanning Stored Stations The radio can scan all stored stations in the selected memory group, pausing for about 5 seconds at each station.
12-2114.fm Page 19 Wednesday, July 14, 1999 12:35 PM CASSETTE PLAYER OPERATION PLAYING A CASSETTE Caution: Avoid using C-120 cassette tapes. They are very thin and can easily become tangled in the tape-handling parts. 5. Press all the way in to stop the tape and eject it. The radio plays. ONE STEREO CASSETTE RECEIVER Follow these steps to play a cassette tape. 1. Take up any slack by turning the cassette’s hub with your finger or a pencil. (Avoid touching the tape.) 2. If the stereo is off, turn PWR.
12-2114.fm Page 20 Wednesday, July 14, 1999 12:35 PM Fast-Forward and Rewind To fast-forward or rewind the current side, press or depending on which side of the tape is playing. The tape quickly winds. Play resumes when the end of the tape side is reached or when you briefly press . STEREO CASSETTE RECEIVER 1 2 3 4 5 6 To stop fast forward or rewind before the end of the tape, gently press and release the opposite button ( or ) or . Play continues.
12-2114.fm Page 21 Wednesday, July 14, 1999 12:35 PM CARE AND MAINTENANCE Your Optimus In-Dash AM/FM Stereo Cassette with Auto-Reverse is an example of superior design and craftsmanship. The following suggestions will help you care for your stereo so you can enjoy it for years. Keep the stereo and faceplate dry. If either gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits.
12-2114.fm Page 22 Wednesday, July 14, 1999 12:35 PM CLEANING THE TAPEHANDLING PARTS Clean the tape head after about every 20 hours of playing time. Insert a special head-cleaning cassette (such as Cat. No. 44-1202), and follow the cassette’s directions to clean the tape head. RESTORING TAPE TENSION AND SOUND QUALITY After you play a cassette tape a few times, the tape might become tightly wound on the reels. This can cause playback sound quality to deteriorate.
12-2114.fm Page 23 Wednesday, July 14, 1999 12:35 PM 3. If the fuse is blown, replace it. Use only standard 11/4-inch fuses with the proper rating. The POWER LEAD (B+) wire’s fuse must be 3 amps. The CLOCK MEMORY wire’s fuse must be 0.5 amps. 4. Reassemble the fuse holder by inserting the fuse and pushing together and twisting the two parts until they latch. 5. Reconnect the cable to the vehicle’s negative (–) battery terminal. 6.
12-2114.fm Page 24 Wednesday, July 14, 1999 12:35 PM SPECIFICATIONS RADIO Frequency Range IF Rejection Image Rejection Selectivity Signal-to-Noise (S/N) Ratio Stereo Separation Usable Sensitivity FM (Nominal) 88–108 MHz 75 dB 44 dB 60 dB 65 dB 36 dB 3.0 mV (3% THD) AM (Nominal) 530–1710 kHz 50 dB 55 dB 35 dB 48 dB — 10 mV (20 dB S/N) CASSETTE PLAYER Cassette Mechanism .................................................................... Auto Reverse Wow and Flutter ......................................
12-2114.fm Page 25 Wednesday, July 14, 1999 12:35 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.