Base Model 43-143:
1.On the base, press the MENU soft key.
2.Scroll down to REGISTER HANDSET and press the OK soft key.
3.On the handset, press and hold # until the display reads HANDSET REGISTERING and you hear a beep.
4.When REGISTRATION COMPLETE is displayed; the handset has been registered to the base. If REGISTRATION FAILED. appears, please try these steps again.
Resetting Handsets
If you want to register a handset to a different base or replace a handset with another one, you must first reset the existing registration data. To reset, please follow these steps:
1.Press the MENU soft key. Select the DEREGISTERATION submenu.
2.ARE YOU SURE? appears. Move the cursor to select YES. Press the OK soft key.
To clear other handset information, please follow these steps:
1.From the handset, press and hold 
and # for more than 5 seconds. Select the DEREGISTER HS submenu.
2.Move the cursor to select the handset ID to be
10
