Hanna Instruments HI 2550 - Manual (Page 33)

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The “dEL” message is displayed on the primary LCD and the selected record
on the secondary LCD, along with ”LOG” tag.
• The ARROW keys can be used to change the record or lot number.
• Press SETUP to delete all records/lots. The display will show “dEL” in
the primary LCD and “ALL” in the secondary LCD.
• Press CFM to confirm delete. While deleting the “ ” tag will blink.
• Press CAL or RANGE or CLR to escape and return to the RCL screen.
• If “del ALL” option was selected, all the log on demand records or lots
are deleted. While deleting the “ ” tag is displayed blinking.
• Press ALT&RCL exit record information and enter lot information.
• Press ALT&RCL again to return to measurement mode.
• If one or more records/lots were deleted the “ ” tag blinks until the
log memory space is reorganized.
Note: If at least one record was deleted the log memory space will be
recognized in about 4-5 seconds. During this period the “ ” will
blink.
For Relative mV and mV Range
• The temperature value, the mV absolute value, the time and the
date as described above.
• The Relative mV offset.
For EC Range
• The time and date as described on pH Range.
• The EC on primary LCD and temperature value on the secondary LCD.
• The offset factor on the primary LCD and “OFS” message on the
secondary LCD.
mV LOG