Panasonic DBS-2.3-400 Programming Manual page 381

Section 400-Programming
Notes
Using a DSS Console With AFP. If the Attendant Feature Package (AFP) is
used (available only with CPC-B Version 2.0 to 4.0), the DSS console must
be initially set as type "11" in the Terminal Type address (FF3 ExtPort# 2#),
to enable the keys to perform programming functions.
DBS-2.3/9.2-400
Chapter 6. Name and Message Assignments (FF6)
DBS Manual - Revised April 2000 Page 6-7