Ridder Aqua CX300, Руководство пользователя, Страница: 46 / 92

Automatic summer time will take effect at 02:00 on the last Sunday in March. At
that time, the sunrise and sunset times will be set forward by one hour.
Automatic summer time will end at 03:00 on the last Sunday in September. At
that time, the sunrise and sunset times will be set back by one hour.
Program names
Group names
Use the 'Program names' and 'Group names' options to rename G01, P01, etc., as
desired.
pH calibration
To automatically calibrate the pH sensor:
On the display, select 'Control pH sensor' or 'Monitor pH sensor'. Press <E>.
Place the pH sensor in calibration solution pH 4. Press <E>.
Wait for the display to indicate that the measuring time of 60 seconds has
elapsed.
Rinse the sensor with distilled water.
Place the pH sensor in calibration solution pH 7. Press <E>.
Wait for the display to indicate that the measuring time of 60 seconds has
elapsed.
Press <E> to save the calibration values, or <ESC> to terminate the calibration
process.
If the calibration process was successful, the message 'pH calibration successful’ will
be displayed.
EC calibration
To automatically calibrate the EC sensor:
On the display, select 'Control EC sensor' or 'Monitor EC Sensor' (pre-
measurement, pre-blending). Press <E>.
Hold the EC sensor in the open air (EC 0). Press <E>.
Wait for the display to indicate that the measuring time of 60 seconds has
elapsed.
Rinse the sensor with distilled water.
Place the EC sensor in calibration solution EC 5. Press <E>.
Wait for the display to indicate that the measuring time of 60 seconds has
elapsed.
Press <E> to save the calibration values, or <ESC> to terminate the calibration
process.
If the calibration process was successful, the message 'EC calibration successful’ will
be displayed.
I/O
Modules
Measurements
Aqua CX300
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