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Zero Calibration
a. Turn the indicator on by pressing the °C
key.
b. Set the indicator to the 0.1° range.
c. Connect the ice bath probe to the indicator
Input jack.
d. Place the probe in a stable ice bath (0.00C
±0.05°C and adjust the ZERO pot (Rb)
located beneath the plug on the rear case
for an indicator display of 0.0°C.
e. Replace the rubber plug.
Calibration is complete.