User Guide

22
• Immerse the D.O.
probe in the ves-
sel with the ice
and water.
• Wait for about 30 seconds. Press the
CFM key. The secondary LCD section will
show "50.0°C".
• Immerse the D.O.
probe in the ves-
sel with hot wa-
ter.
• Wait for about 30
seconds. Press
the CFM key.
• The temperature calibration procedure is
now completed.
CFM
CAL
°C
CFM