Programming Worksheets; Btn Programming Is Lost/Changed At Key Telephone - STARPLUS DHS-L Technical Manual

6-10
Chapter 6 - Maintenance/Troubleshooting
Table 6-11: Btn Programming is Lost/Changed at Key Telephone
Symptom
Previously
programmed feature
buttons now do not
work or have
different features
assigned.
Diagnostic Aid
Executive Key Unauthorized
Telephone Display customer
reprogramming
Cause
1. See if customer has a User Guide and
understands feature button
programming.
2. Compare the current system database
and station feature button
programming with the completed

programming worksheets.

Feature button program memory is
retained at the KSU. The memory is
protected by a Ni-Cad or Nickel Metal
Hydride battery.
If system power is removed for longer
than seven (7) days, all system
database programming may be lost
and default database is loaded.
Loss of power will also affect other
customer unique system
programming along with all other key
telephones feature button
programming.
System D iagnosti cs
Corrective Action