NEC Electra Elite 48/192 Features And Specifications Manual page 497

Issue 6
R - 12
Default Attendant Add-On Console key assignments are:
¥
DSS Keys
01~48
49
50
51
52
53
54
55
56
57
58
59
60
First Initialization of the system returns all programming values to
¥
default. Disconnect the battery on the CPUB( )-U10 ETU for the
Electra Elite 192 system or on the MBD-U10 Unit in the B48-U10
KSU for the Electra Elite 48 system, and turn off system power to
provide First Initialization.
Assignment
Stations 100~147 (if installed)
Night Mode Change
Internal Paging Zone A
Internal Paging Zone B
Internal Paging Zone C
All Internal Zone Paging
Vacant
Message
External Speaker A
External Speaker B
External Speaker C
External Speaker All
Transfer
Electra Elite
Resident System Program