NEC Dterm DTZ-8R-1 Owner's Manual page 80

Issue 1.0
7-16
Handset searches for the base station:
.
Enter Registration Pin:
Keys available when registering the handset
include:
Cancel key - exits registration mode.
Keys available when registering the handset
include:
Default = 1234.

Delete key - deletes one digit.
Dial (0~9) key - numeric keys to used to
enter the pin code.
OK key - sends the registration pin to the
base station.
Handset Feature Settings