Description of the device 
  3.3 SELECT / SET button 
SCALANCE XC-200 
Operating Instructions, 07/2016, C79000-G8976-C442-01 
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●  The device is in operation. 
●  The function "Reset to Factory Defaults" is enabled for the "SELECT / SET" button. 
 
Note 
Reset despite disabled "SELECT/SET" button 
If you have disabled the "Restore Factory Defaults" function for the "SELECT/SET" button 
in the configuration, this does not apply during the startup phase, see section "
Restoring 
 (Page 58)". 
If the function has been disabled in the configuration, it is only disabled on 
completion of 
 
To reset the device to the factory defaults during operation, follow the steps below: 
1.  Switch to display mode A. 
Display mode A is active if the LEDS "DM1" and "DM2" are unlit. 
If the "DM1" and "DM2" LEDs are lit or flashing, you will need to press the "SET/SELECT" 
repeatedly until the "DM1" and "DM2" LEDs go off. 
If you do not press the "SELECT/SET" button for longer than 1 minute, the device 
automatically changes to display mode A. 
2.  Hold down the "SELECT/SET" button for 12 seconds. 
After 9 seconds,the "DM1" and "DM2" LEDs start to flash for 3 seconds. At the same 
time, the port LEDs go on one after the other. 
After you have held down the button for 12 seconds, the device restarts and the factory 
defaults are restored. 
If you release the button before the 12 seconds have elapsed, the reset is canceled. 
Enabling and disabling the button 
In the configuration, you can enable or disable the button function.