pH
pH
pH
4
1.2 Display
pH
pH
pH
= Displaying measured pH
= Displaying measured Temp2 or Time
= Displaying set pH
= Displaying set Temp or Time
= Displaying current time
= Symbol for pH (slot 1)
= Symbol for Timer (slot 2)
=
Symbol for calibration
= Symbol for Set values
= Symbol for CO
2
supply
= Symbol for alert (flashes simultaneously with
pH
symbol in case for alert
or flashes simultaneously with
CAL
to remember pH electrode calibration)
1.3 Safety instructions
The Dupla pH-Control Pro is designed exclusively for use in enclosed rooms . All electronic components of the device
must only be operated whilst they are free from defects . Should the mains supply be damaged, please please return it
to your dealer for repair . Continued operation of the device may cause fatal injury from electric shock . Ensure that the
control unit and connection strip do not come into contact with water .
Technical products must only be operated as supplied . Electronic components must not be modified in any way, and
the leads must not be shortened . Covers or housings must not be opened . If the product is damaged cease useage or
shut down immediatly by pulling the mains plug .
