Panasonic ICX Manual

Page of 333
36
ICX (International) issued June 2000
ICX-45-700
Chapter 3. System Features
Section 700 - Operation
Data Security
Description
If you are using a line for data (modem connections, etc.), Data Security makes it possible to prevent 
interruptions. Data Security can be implemented for either all phone use or outside line use. 
Hardware Requirements
N/A
Considerations
N/A
Daylight Saving Time (Summer Time)
Description
The Daylight Saving Time feature allows you to program the 576 so that it automatically adjusts the 
system’s internal timeclock forward or back on specific days of the year. This time change is then 
reflected on the phone’s display (Key Telephone only). 
Depending on the day of the year, the system will set the time according to the following:
Hardware Requirements
N/A
Related Programming
N/A
Considerations
Daylight Saving Time can only be enabled or disabled in system programming. See Section 400: 
Programming 
for more information.
Day/Night System Mode
Description
Day/Night System Mode enables you to switch the System between two Day modes and a Night 
mode. These modes determine incoming call handling, Toll Restriction Service (TRS) (Call Barring) 
call handling, and attendant group support.
Day of the year
System Action
Third Sunday in March
System clock adds one hour to current time at 2 a.m.
Last Sunday in October
System clock subtracts one hour from current time at 2 a.m.