Hanna Instruments HI 4421 - Manual (Page 24)

24
Set Reminder Period
Daily
reminder - the user can set the time from the day when the reminder is to appear.
Periodic reminder - the user can set the time from the last calibration (days, hours and minutes) after which the
reminder appears.
To set the reminder period:
• Use
or to highlight the Set Reminder Period
option.
• Press and use / to select next /
previous entry to be edited.
• Press and use or to set the desired
value, then press to save the modified value.
• Press to return to the previous menu.
Clear Calibration
Accessing this option, the existent DO calibration can be cleared. If the calibration is cleared, another calibration
has to be performed.
To clear calibration:
• Use
or to highlight the Clear Calibration option.
• Press to clear calibration. A pop-up menu will be displayed asking for confirmation.
• Press to confirm or press to escape without saving and return to the Calibration options.