Micropilot S FMR533 4 to 20 mA HART
Operation
Hauser
19
4.2.3
Light emitting diods (LEDs)
There is a green and a red LED besides the liquid crystal display.
4.2.4
Function of the keys
4.2.5
Custody locking switch
Access to the electronics can be prevented by means of a custody locking switch that locks the
device settings. The custody locking switch can be sealed for custody transfer applications.
LED (LED)
Meaning
red LED continuously on
Alarm
red LED flashes
Warning
red LED off
No alarm
green LED continuously on
Operation
Green LED flashes
Communication with external device
Key(s)
Meaning
O
or
V
Navigate upwards in the selection list.
Edit numeric value within a function.
S
or
W
Navigate downwards in the selection list.
Edit numeric value within a function.
X
or
Z
Navigate to the left within a function group.
F
or
M
Navigate to the right within a function group.
O
and
F
or
S
and
F
Contrast settings of the LCD.
O
and
S
and
F
Hardware lock / unlock
After a hardware lock, an operation of the device via display orcommunication is not
possible! The hardware can only be unlocked via the display. An unlock parameter
must be entered to do so.
