** Switch status signaling depends on the mounting location selected and the fail-safe mode (MIN/MAX) set. The LED flashes if a calibration has not yet been
carried out.
48
5
Operation
5.1
Human interface and display elements for
FEI52, FEI54, FEI55
You can operate the electronic inserts FEI52, FEI54 and FEI55 using a functional switch A, the
B key (–) and the C (+) key.
The function switch A has eight possible positions. Each position has at least one function.
The operating status of the device is indicated by light emitting diodes (LEDs 1 to 6) on the
electronic insert and depends on the position of the function switch.
1 1
2 2
A A
B B
7 7
FEI5x
FEI5x
- -
- -
+ +
Note!
• To select a function, press the function keys (– and/or +) for at least 2 s.