6 Operating concept and operation
n User qualification, operation: trained user
Ä Chapter 2.4 ‘User
qualification’ on page 14
The device is equipped with a colour touchscreen, which can be
used to perform all programming actions by pressing the screen.
The touchscreen is a resistive touchscreen. You need to press
firmly on the touchscreen to confirm the action.
Ensure that your device is correctly programmed. An excess of
feed chemical or even a mixture of different feed chemicals can
have harmful effects on human health and the environment.
The device offers different modes and types of displays that enable
you to obtain all the information you need right away.
N
Temperature
Free chlorine
pH value
°C
pH
ppm
A3021
Fig. 27: Display mode, small X6
N
Temperature
Free chlorine
pH value
°C
pH
ppm
A3022
OFF
6,80 pH
8,50 pH
OFF
OFF
OFF
OFF
OFF
OFF
Fig. 28: Display mode, large x3
Operating concept and operation
31