1 
 
08/2005  Introduction
1.3 O
erator interface
 
1
 
♥ Siemens AG, 2005. All rights reserved  
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition  1-35 
 
 
When the 
 symbol appears to the right of the dialog line on the 
operator interface, you can change the horizontal softkey bar within an 
operating area. This is done by pressing the "Expansion" key. 
Pressing the "Expansion" key again will take you back to the original 
horizontal softkey bar. 
 
 
Within an operating mode or operating area, you can use the "Back" 
softkey to return to the next highest screen form.  
 
 
Use the "Abort" softkey to exit a screen form without accepting the 
entered values and return to the next highest screen form.  
 
 
When you have entered all the necessary parameters in the 
parameterization screen form correctly, you can close the screen form 
and save the parameters using the "Accept" softkey.  
 
 
Use the "OK" softkey to initiate an action immediately, e.g. to rename 
or delete a program.  
 
 On 
Some softkeys are displayed with a black background when you 
activate the function assigned to them.  
 
Program 
test 
 Off 
 
In that case, you can deactivate the function by pressing the softkey 
again. The softkey will then have a gray background again.