Radio Shack CT-503 owner manual Using Automatic Lock, Changing the Lock Code

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The phone remains locked until you unlock it. To unlock your phone, simply enter the three-digit lock code. If you make a mistake, press CLR then try again.

Using Automatic Lock

The automatic lock feature lets you set your phone to auto- matically lock each time you turn it on. When automatic lock is enabled, Loc ’d appears after the self test when you turn on the phone. You can unlock the phone as usual at anytime.

Follow these steps to enable or disable automatic lock.

1. Press FCN 1 .

2.Repeatedly press or # until the phone displays

Auto Lock On or OFF.

3.Press STO so On appears (to enable) or CLR so OFF appears (to disable).

4.To exit the function menu, press END.

Changing the Lock Code

For added security, you can change the lock code, but you must enter a preset 6-digit security code first. Your phone’s preset security code is 000000 (you cannot change this code).

Follow these steps to change your phone’s lock code.

Note: The phone’s display does not change (no characters appear when you press the keys) until you press STO in Step 4.

1. Press FCN OPER 0 .

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