Configuring with Web Based Management   
6.5 "System" menu 
  SCALANCE W780/W740 to IEEE 802.11n Web Based Management 
236  Configuration Manual, 08/2018, C79000-G8976-C267-13 
● 
Last Synchronization Mechanism
 
Shows how the last time synchronization was performed. 
–  Not set 
The time was not set. 
–  Manual 
Manual time setting 
–  SNTP 
Automatic time-of-day synchronization with SNTP 
–  NTP 
Automatic time-of-day synchronization with NTP 
–  SIMATIC 
Automatic time-of-day synchronization using the SIMATIC time frame 
● 
Daylight Saving Time (DST) 
Shows whether the daylight saving time changeover is active. 
–  active (offset +1 h) 
The system time was changed to daylight saving time; in other words an hour was 
added. You can see the current system time at the top right in the selection area of the 
WBM. 
The current time including daylight saving time is displayed in the "System Time" box. 
–  inactive (offset +0 h) 
The current system time is not changed. 
1.  Enable the "Time Manually" option. 
2.  In the "System Time" input box, enter the date and time in the format "MM/DD/YYYY 
HH:MM:SS". 
3.  Click the "Set Values" button. 
The date and time are adopted and "Manual" is entered in "Last Synchronization 
Mechanism" box. 
 
On this page, you can create new entries for the daylight saving time changeover. 
The table provides an overview of the existing entries.