Optimus 900 MHz Owner's Manual

900 mhz lightweight wireless stereo headphones

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33-1165.fm Page 1 Tuesday, August 10, 1999 10:50 AM
Cat. No. 33-1165
OWNER'S MANUAL
Please read before using this equipment.
900 MHz Lightweight Wireless
Stereo Headphones

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Summary of Contents for Optimus 900 MHz

  • Page 1 33-1165.fm Page 1 Tuesday, August 10, 1999 10:50 AM Cat. No. 33-1165 OWNER’S MANUAL Please read before using this equipment. 900 MHz Lightweight Wireless Stereo Headphones...
  • Page 2 Y adapter cable, stereo audio cable, ing this product. AC adapter, and -inch plug adapter. © 1998 Tandy Corporation. All Rights Reserved. Optimus and RadioShack are registered trademarks used by Tandy Corporation.
  • Page 3: Connecting The Transmitter To Your Audio Source

    33-1165.fm Page 3 Tuesday, August 10, 1999 10:50 AM PREPARATION Before you can use your headphone jack and connect the white plug to system, you must find a suitable loca- jack. L/AUDIO IN tion for its transmitter, away from any obstructions and within reach of a standard AC outlet.
  • Page 4: Connecting The Transmitter To Power

    33-1165.fm Page 4 Tuesday, August 10, 1999 10:50 AM CONNECTING THE INSTALLING THE TRANSMITTER TO RECEIVER’S BATTERIES POWER To power the receiver, follow these steps to install three AA batteries (not To power the transmitter, insert the supplied). For the best performance supplied AC adapter into the DC 18V and longest life, we recommend alka-...
  • Page 5: Using The Belt Clip

    33-1165.fm Page 5 Tuesday, August 10, 1999 10:50 AM When the sound weakens, replace the USING THE BELT CLIP batteries. For hands-free carrying, slide the re- Cautions: ceiver’s belt clip over your belt. • Use only fresh batteries of the required size and type.
  • Page 6: Operation

    33-1165.fm Page 6 Tuesday, August 10, 1999 10:50 AM OPERATION LISTENING SAFELY USING THE SYSTEM To protect your hearing, follow these 1. Turn on your audio source. guidelines when you use headphones. 2. If you connected the transmitter to • Since the headphones’ receiver an audio source’s headphone jack makes a popping noise each time (or a jack that is controlled by the...
  • Page 7 33-1165.fm Page 7 Tuesday, August 10, 1999 10:50 AM 3. Set on the receiver to If you still hear interference, rotate ON/OFF on the transmitter FREQ. ADJUST until the interference is reduced, then rotate until the audio TUNING is free from interference. 7.
  • Page 8: Troubleshooting

    33-1165.fm Page 8 Tuesday, August 10, 1999 10:50 AM TROUBLESHOOTING If you cannot get sound once you have connected the system: • Be sure the receiver’s ON/OFF switch is set to • Be sure the AC adapter is prop- erly connected. •...
  • Page 9: Care And Maintenance

    33-1165.fm Page 9 Tuesday, August 10, 1999 10:50 AM CARE AND MAINTENANCE Your Optimus 900 MHz Lightweight Wireless Stereo Headphones are an example of superior design and craftsmanship. The following suggestions will help you care for your system so you can enjoy it for years.
  • Page 10: The Fcc Wants You To Know

    33-1165.fm Page 10 Tuesday, August 10, 1999 10:50 AM THE FCC WANTS YOU TO KNOW Your headphone system might cause TV or radio interference even when it is operating properly. To determine whether your headphone system is causing the interference, turn off your headphone system.
  • Page 11: Specifications

    33-1165.fm Page 11 Tuesday, August 10, 1999 10:50 AM SPECIFICATIONS Transmission Mode ......912.25–914.75 MHz Frequency Modulation Operation Voltage ............. Transmitter: 18 V AC Adapter Headphone Receiver: Three AA Batteries Frequency Response ................50–15K Hz Distortion ......................S/N Ratio ......................70 dB Maximum Operation Distance ..............
  • Page 12 33-1165.fm Page 12 Tuesday, August 10, 1999 10:50 AM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workman- ship under normal use for ninety (90) days from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and dealers.

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