Endress+Hauser Prothermo NMT81, Operating Instructions Manual

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Operability Prothermo NMT81
50 Hauser
7.5.2 Factory reset key
Press and hold the both operating keys simultaneously for twelve seconds. All settings
return to the factory default values.
Display
on
of
f
8x
53x
II
I
Mode
1
2
A0044585
 46 Factory reset
1 Key I
2 Key II
7.5.3 Unit setting (metric (mm) and Celsius (°C))
The display must be connected to the device. This action automatically sets all values to
metric (mm) unit.
Setting level value (a) to unit Metric (mm) procedure
a
Display
on
of
f
8x
53x
II
I
Mode
1
2
A0044298
 47 Level setting
a End of probe to zero distance
1 Key I
2 Key II
1. Press and hold the I key [1] for 3 seconds.
 All digits on the display are blinking.
The metric unit (mm) is displayed.
2. Push the I key to increase the value of level or the II key [2] to decrease the value of
level.
 When the value is increased 1 mm, the height of liquid level will move in a
negative direction.
3. Press and hold the key for 2 seconds or more.
 This will start automatic increase or decrease mode.
4. Hold down the key until the desired value is shown.