Optimus CD-3720 owner manual Using AC Power

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Fully discharge the batteries occasionally by playing the CD player until it no longer plays. Then fully recharge the batteries. This helps maintain the batteries’ full charging capacity.

Important: This CD player is capable of using rechargeable 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. Some options that might be available are: municipal curb-side collection, drop-off boxes at retailers such as your local RadioShack store, recycling collection centers, and mail-back programs.

Using 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 4.5 volts and delivers at least 550 mA. Its center tip must be set to positive and its plug must fit the CD player’s 4.5V jack. The recommended adapter meets these specifications. Using an adapter that does not meet these specifica- tions could damage the CD player or the adapter.

Always plug the AC adapter into the CD player before you plug it into the AC outlet. Always unplug the AC adapter from the AC outlet before you unplug it from the CD player.

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Contents CD-3720 Features Or 3-Inch CD Compatible Fm Page 4 Thursday, August 12, 1999 112 PM FCC Information Contents CD Care Tips Powering the CD Player Using BatteriesInstalling Batteries Recharging Nickel-Cadmium Batteries Charging Tips/Facts Using AC Power Follow these steps to connect an AC adapter to the CD player Using Vehicle Battery Power Fm Page 15 Thursday, August 12, 1999 112 PM Connecting AN EARPHONE/HEADPHONES ConnectionsListening Safely Connecting Amplified Speakers Connecting to a Home Audio SystemConnecting to AN Autosound System Fm Page 20 Thursday, August 12, 1999 112 PM Operation Loading a CDPlaying a CD Turning E-BASS on and OFF Digital ANTI-SHOCK System Locking the Controls Automatic Search Music System AsmsAudible Search Intro ScanRepeat Play Random Play Programmed Play Troubleshooting Problem Possible Cause SuggestionFm Page 31 Thursday, August 12, 1999 112 PM Care and Maintenance CD Care Tips Fm Page 34 Thursday, August 12, 1999 112 PM Specifications GeneralRadioShack Division of Tandy Corporation Fort Worth, Texas