194. Select NO, if you do not want to deregister.5. If you select YES, press the SELECT button to confirm.MOVE NEAR TO BASE displays for seconds, thenNO YES CONFIRM? shows on the display.6. Use the 6 or 5 button to scroll to NO or YES.The default is YES.7. If you select YES, press the SELECT button to confirm.DE-REGISTER . . . shows on the display followed by aconfirmation tone. Then, HANDSET X DEREGISTEREDshows on the display to confirm that the handset isderegistered.NOTE: When you complete the deregistration process, HANDSETNEEDS REGISTRATION shows on the display. To use the handset,you must register the handset.Global De-RegistrationIf one or more handsets become lost, you should de-register all handsets to ensureproper system operation. Follow the steps below to deregister all handsets at thesame time.WARNING: It is not recommended that a handset be deregisteredunless absolutely necessary because once a handset isderegistered, that handset’s telephone features cannot be useduntil the handset is re-registered.NOTE: Before starting global deregistration procedure, let allhandsets set idle for 20 seconds.1. Press and hold the PAGE button on the base until theCHARGE/IN USE indicator on the base flashes.. Press and hold the PAGE button on the base again until theCHARGE/IN USE indicator on the base flashes rapidly.. Press and release the PAGE button on the base once.All handsets are deregistered and HANDSET NEEDSREGISTRATION shows on their displays.CONFIRM?DEREGISTRATIONYESNODEREGISTRATION