Operation, 2 operating elements esk4-t – KROHNE H250 M40 EN User Manual
Page 37

OPERATION
6
37
H250 M40
www.krohne.com
11/2012 - 4000640702 MA H250 M40 R02 en
6.2 Operating elements ESK4-T
The device is operated with the cover on the front open, using the mechanical keys
keys
keys
keys, or with the
cover closed using a bar magnet
bar magnet
bar magnet
bar magnet.
The mechanical keys and keys for the bar magnet have the same functionality. In this
documentation the keys are represented as symbols to describe the operating functions:
CAUTION!
The switching point of the magnetic sensors is directly at the height of the corresponding circle
(see figure). Only touch the circle vertically and from the front using the bar magnet. Touching it
from the side may cause a malfunction.
Figure 6-1: Display and operating elements
1 Enter button (circuit for bar magnet)
2 Up button (circuit for bar magnet)
3 Right button (circuit for bar magnet)
Button
Symbol
1
Enter
^
^
^
^
2
up
↑
3
right
→
Table 6-1: ESK4-T operation keys
MA_H250_M40_R02_en_640702_PRT.book Page 37 Wednesday, November 28, 2012 12:23 PM