Radio Shack ET-537 owner manual Charging Battery

Models: ET-537

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43-1037.fm Page 8 Tuesday, August 17, 1999 10:05 AM

1.Insert the supplied AC adapter’s barrel plug into the POWER 9V DC jack on the back of the base.

2.Plug the adapter into a standard AC outlet.

CHARGING THE

BATTERY

Before you connect the phone to the phone line and use the phone for the first time, or whenever you install a new battery, make sure RINGER OFF/ ON on the handset is set to OFF, then charge the battery for about 24 hours by placing the handset on the cradle so the CHARGE indicator on the base lights.

The phone charges whenever the handset is on the base. You can re- charge the battery at any time, but you must be sure to recharge it when the handset sounds a beep every 7 sec- onds.

Notes:

If the CHARGE indicator on the base does not light when you place the handset on the cradle,

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be sure the AC adapter is securely connected to the base.

Also, check the charging contacts on the handset and base. If the contacts are dirty or tarnished, gently clean them with a pencil eraser.

A full charge lasts about 168 hours if you leave the handset off the base and do not make any calls.

About once a month, fully dis- charge the battery. Otherwise, the battery loses its ability to fully recharge. To fully discharge the battery, set RINGER OFF/ON on the handset to ON and keep the handset off the cradle until the handset beeps every 7 seconds. Then return the handset to the cradle, set RINGER OFF/ON to OFF, and recharge the battery for about 10 hours.

When the battery cannot fully recharge, replace it with a new one. For the best performance, you should replace the supplied

battery about once a year — more often if it is used heavily. See

“Replacing the Battery’’ on Page 21.

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Radio Shack ET-537 owner manual Charging Battery