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Cat. No. 32-1168
OWNER’S MANUAL
Please read before using this equipment.
Karaoke with Voice Canceller
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FEATURES
Your Optimus Karaoke lets you be the star as you sing along with your favorite recordings. To hear your voice along with the music through a speaker, simply connect the karaoke between an external music source (such as a CD player) and your amplifier/receiver.
The karaoke works with stereo recordings so there are no special karaoke tapes to buy.
Your karaoke system’s features include:
Voice Canceller — lets you reduce the volume of the prerecorded singer’s voice as you sing with the music.
Supplied Microphone — lets you immediately sing along with the music.
Dual Microphone Jacks — let you use the supplied microphone and an optional microphone simultaneously to sing duets or for lead and background vocals.
Separate Microphone Volume Controls — let you adjust the volume of your duet partner or background singer separately.
Dual Source Inputs — let you connect dual external music sources such as a CD player and cassette player.
Echo Control — lets you add an echo to the sound for a concert hall effect.
Dual Power Sources — let you power your system from internal batteries or AC power (with an optional adapter).
WARNING: To reduce the risk of fire or shock hazard, do not expose this product to rain or moisture.
CAUTION |
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RISK OF ELECTRIC SHOCK. |
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DO NOT OPEN. |
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER OR BACK. NO USER-SERVICE- ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL.
This symbol is intended to alert you to the presence of uninsulated dangerous voltage within the product’s enclosure that might be of sufficient magnitude to constitute a risk of electric shock. Do not open the product’s case.
This symbol is intended to inform you that important operating and ! maintenance instructions are included in the literature accom-
panying this product.
©2000 Tandy Corporation. All Rights Reserved.
Optimus, RadioShack, and Adaptaplug are registered trademarks used by Tandy Corporation.
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CONTENTS |
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Connections ............................................................................................................ |
4 |
Connecting Microphones .................................................................................... |
4 |
Connecting to an Audio Source .......................................................................... |
4 |
Connecting to an Audio Output Component ....................................................... |
5 |
Connecting Power .............................................................................................. |
5 |
Installing Batteries ....................................................................................... |
5 |
Using AC Power .......................................................................................... |
6 |
Singing Along ......................................................................................................... |
7 |
Controls .............................................................................................................. |
7 |
Operation ............................................................................................................ |
7 |
Care and Maintenance ............................................................................................ |
9 |
The FCC Wants You to Know ........................................................................... |
10 |
Specifications ....................................................................................................... |
11 |
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CONNECTIONS
Caution: To avoid electrical shock, do not connect the system to AC power until all other connections are complete.
CONNECTING
MICROPHONES
The system has two microphone jacks so you can use the supplied microphone to sing along to your favorite recordings, and connect an additional microphone for duets or lead and background vocals.
The additional microphone must have a 1/4-inch plug and an ON/OFF switch. To help prevent feedback, we recommend a unidirectional microphone. (RadioShack carries a wide variety of microphones.)
To connect either one or two microphones, first rotate the MIC 1 and MIC 2 volume controls counterclockwise to
MIN.
MAX |
MIN |
MAX |
MIN |
MIC 1 |
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MIC 2 |
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If you connect only one microphone, plug it into the jack directly in front of the MIC 1 volume control. If you add a second microphone, plug it into the jack directly in front of the MIC 2 volume control.
MIC 1
MIC 2
Microphone Jacks 
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CONNECTING TO AN AUDIO SOURCE
You must connect an audio source (such as a CD player or stereo system) to the karaoke system, so you can sing along with the music.
Connect the audio source’s stereo output jacks to the karaoke system’s CD or TAPE IN R and L jacks, according to the type of audio source, using the supplied cable. Use the white plug for the left connection and the red plug for the right connection.
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R IN L |
OUT |
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B |
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CD |
L |
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DC 6V |
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TAPE |
R |
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MAX. 50mA |
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Audio Source Jacks 
Note: You can connect the karaoke to both a CD and a tape audio source at the same time. However, the karaoke only plays one source at a time. (See “Controls” on Page 7.)
If the audio source does not have AUX OUT jacks, but has a headphone output jack (such as is often found on a portable tape player or CD player), use a shielded Y-adapter to connect it to the karaoke. (RadioShack carries a wide variety of Y-adapters.) Connect the Y- adapter’s single-plug end to the audio source’s headphone jack, and connect the Y-adapter’s two phono plugs to the karaoke’s CD or TAPE IN R and L jacks.
If you connect a second audio source, you need an additional audio patch cable. (RadioShack carries a wide variety of audio cables.)
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