Hanna Instruments HI 84430 - Manual (Page 19)

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pH METER GLP INFORMATION
The pH meter GLP screens references the last pH calibration data. GLP is an acronym for Good
Laboratory Practice.
To view this information, press MENU key then GLP.
A set of information regarding electrode calibration is displayed.
The following items are included in electrode GLP: the time and date of the last calibration, offset,
slope, electrode condition, calibration timeout and the calibration buffers. The buffers displayed in
video inverse mode are from the previous calibration.
If a calibration hasn’t been performed the message “Not Calibrated” will be displayed.
If Delete All was pressed the instrument will ask for confirmation.
Press Confirm to delete all records or ESC to return to the previous screen without deleting.
If the pH log is empty the message “No Records!” will be displayed.
VIEW/DELETE RECORDED pH DATA
To view or delete previously logged pH records press MENU key while in pH meter screen.
Press Recall to access the pH recall.
A list of records is stored in the pH log.
Use the ARROW keys to scroll the list of records.
Press More to see detailed information about the highlighted record.
Press Delete to enter record deleting mode.
Press Delete All to enter all records deleting mode.
If More is pressed a complete set of data is displayed.
Use ARROW keys when is displayed to scroll between the records.
If Delete was pressed the instrument will ask for confirmation.
Use the ARROW keys to focus on the record to be deleted.
Press Confirm to delete the record or ESC to return to the previous screen without deleting.
Deleting a record will renumber the list of records.