Endress+Hauser Fieldbus Levelflex M FMP41C Operating Instructions Manual page 30

Operation
30
5.2.2 Display symbols
The following table describes the symbols that appear on the liquid crystal display:
Sybmol 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 possible.
COM_SYMBOL
This communication symbol appears when a data transmission via e.g. HART, PROFIBUS PA or
FOUNDATION Fieldbus is in progress.
SIMULATION_SWITCH_ENABLE
This communication symbol appears when simulation in FOUNDATION Fieldbus is enabled via the DIP
switch.
5.2.3 Function of the keys
Key(s) Meaning
O V
Navigate upwards in the selection list
or
Edit numeric value within a function
S W
Navigate downwards in the selection list
or
Edit numeric value within a function
X Z
or Navigate to the left within a function group
F
Navigate to the right within a function group, confirmation.
O F
and
or Contrast settings of the LCD
S F
and
Hardware lock / unlock
After a hardware lock, an operation of the instrument via display or
O S F
and and communication is not possible!
The hardware can only be unlocked via the display. An unlock parameter must
be entered to do so.
Levelflex M FMP41C with FOUNDATION Fieldbus
Endress + Hauser