Endress+Hauser Prosonic M FMU40 Brief Operating Instructions page 22

Operation
4.2.3 Display symbols
The following table describes the symbols that appear on the liquid crystal display:
Sybmol
4.2.4 Function of the keys
Key(s)
O
or
S
or
X
F
O
and
or
S
and
O S
and
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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.
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 or
F
and communication is not possible!
The hardware can only be unlocked via the display. An unlock parameter must
be entered to do so.
Prosonic M FOUNDATION Fieldbus
Endress+Hauser