Operating Manual 6175.4760.02 – 01 3.107
M3SR Series 4100 Control Unit Maintenance
Table 3.29 CU Inventory Types
Table 3.30 Softkeys in Menu CU Inventory (4021)
Type abbreviation Description
HWM Hardware Mainboard
SW Software
FW Firmware
HW Hardware
Softkey Description Possible Values
Navigate to the previous menu (CU MTC 1/4).
Navigate to the menu Control Unit Inventory Details (see
”Control Unit Inventory Details (4022)” on p. 3.108).