Appendix
Adding and registering handsets
PLEASE WAIT...
HANDSET X REGISTERED
2. On the telephone base, press and hold 
HANDSET LOCATOR for about four seconds
(until the red IN USE light on the telephone base turns on) and then release the button. The handset will show PLEASE WAIT... and it will take about 10 seconds to complete the registration. The handset will show HS X REGISTERED and will beep if the registration is successful.
NOTES:
1.If the registration is not successful, the display will show NOT REGISTERED. To reset the handset, remove the handset from the telephone base and place it back in. Try the registration process again.
2.You cannot register a handset if any telephone connected to the same telephone line is in use.
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