Endress+Hauser levelflex M FMP 40 Manual page 8

1 Notes on use
8
1.5.2 Display symbols
The following table describes the symbols that appear on the liquid crystal display:
Symbols 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, PFOFIBUS-PA
or Foundation Fieldbus is in progress.
SIMULATION_SWITCH_ENABLE
This communication symbol appears when simulation in FF is enabled via the DIP switch.
Tab. 1 Meaning of Symbols
1.5.3 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) 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 M
or 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.
Tab. 2 Function of the keys
Levelflex M
Endress+Hauser