Siemens SIMATIC PANEL PC 877 - Manual (Page 102)

Operation
10.3 Device with key panel
SIMATIC Panel PC 877
10-14
Operating instructions, Release 07/2006, A5E00877780-01
10.3.3 Labelling function keys and softkeys
Area of application
This section applies only to control units with key panels.
Introduction
The control unit has two horizontal and two vertical keypads Assign user specific functions to
the keys as needed. Label the keys with labelling strips from the options.
DIN A4 film is available for the production and insertion of the labeling strips, as described in
chapter 3 "Description".
Warning
Labeling
Label the function keys and softkeys to conform with the project. Labeling without reference
to a project leads to incorrect operations on the system to be observed.