Endress+Hauser Levelflex M FMP40 Interface Brief Operating Instructions page 18

Operation
4.2.2 Display symbols
The following table describes the symbols that appear on the liquid crystal display:
Symbol
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
F
O
and
or
S
and
O S
and
18
Meaning
ALARM_SYMBOL
This alarm symbol appears when the instrument is in an alarm state. If the symbol flashes, this indicates
a warning.
LOCK_SYMBOL
This lock symbol appears when the instrument is locked,i.e. if no input is possibl.
COM_SYMBOL
This communication symbol appears when a data transmission via e.g. HART, PROFIBUSPA or
FOUNDATION Fieldbus is in progress.
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
or 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.
Levelflex M FMP40 4...20 mA HART
Endress+Hauser