Hanna Instruments HI 96710 - Manual (Page 22)

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• Press ZERO/CFM and the lamp, cuvette and
detector icons will appear on the display,
depending on the measurement phase.
• After a few seconds the display will show
“-0.0-” . The meter is now zeroed and ready
for calibration. The blinking “READ” asks for
reading calibration standard.
• Remove the cuvette.
• Place the corresponding CAL CHECK TM Standard
Cuvette B into the cuvette holder and ensure
that the notch on the cap is positioned securely
into the groove.
• Press READ/ /TIMER and the lamp, cuvette
and detector icons will appear on the display,
depending on the measurement phase.
• After measurement the instrument will show
for three seconds the CAL CHECK TM Standard
value.
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 all CAL CHECK
TM
Standards Cuvettes, A and B are free from
fingerprints or dirt and that they are inserted
correctly.
• Then the date of the last calibration (e.g.:
”01.08.2009” ) appears on the display, or
“01.01.2009” if the factory calibration was
selected before. In both cases the year number
is blinking, ready for date input.