132 HEIDENHAIN Technical Manual MANUALplus 620
Feature Content Level (FCL):
Pressing the SET FCL soft key opens a window in which you can enter the 
code number for the desired feature content level under Enter Key Code. 
HEIDENHAIN can give you the code number after having been informed of the 
SIK number.
Then press the OK soft key to confirm your entry. If this is done successfully, 
the message Feature Content Level has been set appears.
Pressing the REDUCE FCL soft key opens a window in which you can enter the 
desired lower feature content level under New (lower) FCL.
Please note that this action can only be reversed by entering a valid code 
number again. 
If you really want to reduce the feature content level, then press the OK soft 
key to confirm the entry. If this is done successfully, the message 
Feature Content Level has been set appears.
SIK Options:
All available software options and their corresponding numbers are listed in a 
table. The check marks in the first column indicate which software options 
have been enabled on your control.
To enable additional software options, proceed as follows:
 In the table on the right side of the screen, use the arrow keys or the mouse 
to select the software option you want to enable.
 Pressing the SET OPTION soft key opens a window in which you can enter 
the code number for the desired software option under Enter Key Code. 
HEIDENHAIN can give you the code number after having been informed of 
the SIK number.
 Enter the code number and confirm your entry by pressing the OK soft key. 
 If this is done successfully, the message Option <number> has been set 
appears, and the option is checked in the table.
When you leave this table of SIK functions by pressing the END soft key or the 
END key, you are requested to reboot the control if you have made any 
changes. Press the emergency stop button and press the Reboot Now! button 
or the REBOOT NOW soft key to reboot the control and activate the changes.
If you reduce the feature content level, then all new FCL functions and 
enhanced functions will be set to the desired lower version. Only error fixes 
remain active. This action can only be reversed by entering a valid code 
number again.
Display Meaning
Actual Value: Current version of the feature content level
Installed Software 
Supports
Highest possible FCL with the current software