Hanna Instruments HI931, User Manual, Page: 104 / 218

7-6
pH MODE
• Use the numeric keypad to enter the pH buffer value.
• Press
to save the value.
• Press to return to pH Setup menu.
7.2.4. EDIT BUFFER GROUP
Option: Up to five
Select up to five buffers from the available buffers (Hanna or Custom) to be used for automatic buffer recognition.
Within the buffer group, pH values must be at least 1.5 pH far apart.
If the buffer group already contains five pH buffers, at least one pH buffer has to be removed in order to add another buffer.
• Use the arrow keys to select the pH buffer to be included/removed in/from the buffer group.
• Press
or to add/remove the selected pH buffer to/from buffer group.
• Press to return to pH Setup menu.