NEC Aspila Topaz Programming Manual page 165

IN
SA
SB
Telephone Programming Instructions
To enter data for Program 20-18(Service Tone Timers):
1. Enter the programming mode.
2. Enter 20 18
20-18-01
Ext DT Time30
3. Enter the number of the item you want to program.
20-18-xx
xxxxx
4. Enter data for the item you selected + HOLD.
5. Enter data for the next item in the program.
OR
Press DC once to enter a new item number.
OR
Press DC until you've exited that series's programming section.
Program 20: System Option Setup
20-18: Service Tone Timers
157
Programming Manual