Hanna Instruments HI 98140 - Manual (Page 10)

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Note: Press ALT and DEL. to escape without data deletion.
When viewing through the logged data, the "NUL" message will be
displayed when selecting a deleted sample.
To delete all data in memory:
• Press ALT and DEL while in normal opera-
tional mode. The "del All" message will
scroll on the LCD and the "CFM" indication
will start blinking asking for confirmation.
• Press ALT and CFM to confirm deletion.
Note: Press ALT and DEL to escape without data deletion.
Note: If no samples are stored in memory and a deletion is
attempted, the meter will show the message "Zero" and then
returns to normal operational mode.
- year
- time
- pH reading
"----" means reading out of range or
no probe was connected.
"OrP" means that an ORP electrode
was connected.
- mV reading
(HI98150 only)
"----" means reading out of range.
- temperature reading
"----" means reading out of range.
- GLP message
• If RANGE is pressed when the GLP message is displayed, the LCD
will revert to the date of the viewed sample.
• It is always possible to skip to another sample using the up and
down arrow keys. For example, if the pH reading of a sample is
displayed, pressing the up arrow key will cause the meter to
display the pH reading of the next sample.
• At any time it is possible to return to normal operational mode by
pressing ALT and RCL.
TO DELETE LOGGED DATA
It is possible to delete a single sample or all the memory at one time.
To delete a single sample:
• Enter the viewing logged data mode and select the desired
sample number.
• Press ALT and DEL. The "CFM" indication
will start blinking asking for confirma-
tion.
• Press the ALT and CFM to confirm deletion.