Hanna Instruments HI96751, Инструкция по эксплуатации, Страница: 22 / 28

22
or
Note: If the display shows “STD HIGH”, the standard value was too high. If the display
shows “STD LOW”, the standard value was too low. Verify that both CAL Check
TM
Standards
HI96751-11 Cuvettes, A and B are free of fingerprints or dirt and that they are inserted
correctly.
• Then the date of the last calibration (e.g.: ”01.08.2008”) appears on the display, or
“01.01.2008” if the factory calibration was selected before. In both cases the year number is
blinking, ready for date input.
CALIBRA
TION PROCEDURE
• After measurement the instrument will show for three seconds the CAL Check
TM
Standard value.
DATE INPUT
• Press GLP/ to edit the desired year (2000‑2099). If the key is kept pressed, the year number
is automatically increased.
• When the correct year has been set, press ZERO/CFM or READ / TIMER to confirm. Now the
display will show the month blinking.