BASIC PHONE FUNCTIONS
█Registering the Handset
Up to 4 additional A1600E handsets can be registered to the base.
1.Before registering an additional handset to the base, you should press and hold the page key  , which is located on the main base, for about 5 seconds and then release it.
2.Press 
under the word Menu on the screen of the handset you are registering to display the main menu list.
3.Press up 
or down 
to scroll to Registration and then press 
under the word Select.
4.Press up 
or down 
to scroll through the base list and select one of the bases and then press 
under the word Select. The handset will search for the requested base.
5.If the base is found, and the handset is successfully registered, you will be prompted to enter the PIN code (the default PIN is 0000). Upon validation of the PIN, the Registration tone will sound and the base assigns a number to the handset. If the PIN entered is invalid, a warning tone will sound and the handset will return to the previous registration state.
6.If the base is not found, the handset will behave according to the Out of Range description found on page 12.