Vtech CL80100 User Manual - Page 16

Adding the handset to your telephone base Deregistering a handset To deregister all handsets (for AT&T CL84100/CL84200/CL84250/CL84300 model) 1. Press and hold LOCATOR on the telephone base for about 10 seconds until the base screen shows Registering handset...followed by Deregister all handsets?, then release the LOCATOR button. Deregister 2. Immediately press MENU/SELECT. all handsets? 3. It takes up to 60 seconds to complete the deregistration process. Wait for the cordless handset screen to alternately display 1.Press HS LOC on base 4sec and 2.Then press # on handset. 4. To register the handset(s) to the telephone base again, follow the instructions on page 10. After you deregister the handset(s), the telephone base is in idle mode but the system date and time information needs to be reset. For instructions, see Set date/time in the telephone system user's manual for details. To skip setting the date and time, press OFF/CLEAR. NOTES: 1. If the deregistration process is not successful, you might need to reset the system and try again. To reset, unplug the power from the telephone base and plug it back in. 2. You cannot deregister the handset(s) if any other system handset is in use. 3. Even if the battery is depleted, you can still deregister the handset by following the steps on the previous page or the steps above. After the handset is charged for at least 10 minutes, the screen shows 1.Press HS LOC on base 4sec and 2.Then press # on handset. 12