Hanna Instruments HI 84431 - Manual (Page 14)

14
Use the ARROW keys in order to increase/decrease
the value.
Press Accept to confirm or ESC to return to the
setup menu without saving the new value.
pH resolution
Options: 0.1, 0.01.
Press the displayed function key in order to change
the pH resolution.
Options: °C, °F.
Press the function key in order to change the
temperature unit.
Temperature unit
Options: 0 to 8.
Press Modify to access the backlight level.
Backlight
Calibration timeout
Options: Disabled or 1 to 7 days.
This option is used to set the number of days
before the pH calibration expired warning message
is flagged.
Press Modify to access the calibration timeout
value modify parameter.