21
Operating & display unit URB 50
User interface
Start window
u
t
w
After approx. 2 minutes of user inactivity the display brightness automatically dims.
If you call up another screen display from the start window and you do not make an entry,
the system automatically returns to the start window after approx. 5 minutes (time out).
The button
is only shown for level controller NRR 2-52 and if a potentiometer is
provided for indicating the valve position.
Note
Switch on supply voltage
Key
t
Status bar
u
Display field
v
Input field
w
Button bar
Switch on the supply voltage for the level controller NRR 2-5.. and for the operating & display unit
URB 50. The LED of the level controller first turns amber and then green. The operating & display unit
shows the start window.
v
Summary of Contents for NRR 2-52
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