pH
pH
pH
5
1.2 Display
pH
pH
pH
= Displaying measured Temperature 1 or pH
= Displaying measured Temperature 2 or Time
= Displaying set pH or Temperature 1
= Displaying set Temperature 2 or Time
= Displaying current time
= pH (slot 1, alternative to Temperature 1)
= Temperature 1 (slot 1, alternative to pH)
= Temperature 2 for slot 2, when slot 1 is Temperature 1 control
= Timer (slot 2, alternative to Temperature 2)
= Calibration
= Set values
= Symbol for heating mode
= Symbol for cooling mode
= Symbol for CO
2
supply
= Symbol for alert (flashes simultaneously with
pH
or
°C
in case of alert
or flashes simultaneously with
CAL
to remind of the pH electrode calibration)
1.3 Safety instructions
The Dupla Twin-Control pro is designed exclusivly 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 return to your
dealer for repair . Continued operation of the device may cause fatal injury from an electric shock . Ensure that the
control unit and connection strip can 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 .
