Siemens simatic PC 577 Operating Instructions Manual page 164

Technical specifications
13.3 Keyboard table
Name
Left Shift
Left Alt
Left GUI
Right Control
Right Shift
Right Alt
Right GUI
13-14
Code (Hex) 0x Check-box
E1 —
E2 —
E3 —
E4 —
E5 —
E6 —
E7 —
Display/function
Left Shift
Left Alt
Left GUI
Right Control
Right Shift
Right Alt
Right GUI
Operating Instructions, Release 04/2006, A5E00798484-01
SIMATIC Panel PC 577