OPERATION
6
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OPTISWIRL 4200
www.krohne.com
02/2022 - 4003930810 - MA OPTISWIRL4200 R10 en
6.1 Display and operating elements
In case of an open front cover, the device is operated by using mechanical keys; in the case of a
closed cover, a bar magnet
1
is used.
Figure 6-1: Pen with bar magnet
CAUTION!
The switching point of the magnetic sensors is directly under the glass panel above the
appropriate symbol. Touch the symbol only vertically and from the front. Touching it from the
side may cause a malfunction.
Figure 6-2: Display and operating elements
1
Display
2
Mechanical keys and bar magnet
3
Bargraph indication
4
1st measured variable in large representation
5
Indicates when a key has been pressed
6
Tag number (only shown if entered previously by the operator)
7
Indicates a possible status message in the status list