Endress+Hauser Levelflex M Brief Operating Instructions page 21

Levelflex M FMP43 with FOUNDATION Fieldbus
4.2.3 Key assignment
The operating elements are located inside the housing and are accessible for operation by
opening the lid of the housing.
Function of the keys
Key(s)
O
or
S
or
X
or
F
O
and
or
S
and
O S
and
Endress+Hauser
Meaning
V
Navigate upwards in the selection list
Edit numeric value within a function
W
Navigate downwards in the selection list
Edit numeric value within a function
Z
Navigate to the left within a function group
Navigate to the right within a function group, confirmation.
F
Contrast settings of the LCD
F
Hardware lock / unlock
After a hardware lock, an operation of the instrument via display orcommunication is
F
and not possible!
The hardware can only be unlocked via the display. An unlock parameter must be
entered to do so.
Operation
21