Hanna Instruments HI 255 - Manual (Page 29)

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• The “dEL” message as described above.
For EC Range
• The temperature value, time and date as described on pH Range.
• The offset factor on the primary LCD and “OFS” message on the
secondary LCD.
• The reference temperature on the primary LCD and “rEF” message on
the secondary LCD.
• The temperature coefficient on the primary LCD and “tc” message on
the secondary LCD.
• The temperature compensation mode as described on pH Range.
• The cell constant on the primary LCD and “CEL” message on the secondary
LCD line.
Note: • When the EC or temperature is displayed, if the ALT&SET keys
are pressed and hold down, the secondary LCD will display the
record date.
• Pressing the ALT&SET keys again, the secondary LCD will display
the record number.
• Press CFM to confirm deletion.
• If “dEL ALL” option was selected, all records (for all ranges) are
deleted and the instrument returns to measurement mode.
For Relative mV Range
• The temperature value, the mV absolute value, the time and the date as
described above.
• The Relative mV offset.
mV LOG