Endress+Hauser Levelflex M FMP40 Operating Instructions Manual page 37

Levelflex M FMP40 with HART/4...20 mA
Endress+Hauser
5.2.2 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 device is in an alarm condition.
If the symbol flashes, this indicates a warning.
LOCK_SYMBOL
This lock symbol appears when the device is locked,i.e. if no input is possible.
COM_SYMBOL
This communication symbol appears when data transmission via HART is in progress.
5.2.3 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) Meaning
O V Navigate upwards in the picklist
or
Edit the numeric values within a function
S W Navigate downwards in the picklist
or
Edit the numeric values 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 locking/unlocking
O S F Following hardware locking, it is not possible to operate the device via the display or
and and
communication!
Unlocking can only be performed via the display. A release code must be entered to do so.
Operation
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