Endress+Hauser Levelflex M FMP41C Interface Brief Operating Instructions page 17

Levelflex M FMP41C 4...20 mA HART
4.2.2 Display symbols
The following table describes the symbols that appear on the liquid crystal display:
Symbol 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.
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
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