Specifications

18
temperature reading is stable, press
the CAL key.
The CAL indicator will stop blinking
and the reading will be set to 0°C
(32°F). The CAL indicator will remain
turned on, indicating a field calibration
is active.
If “Err” is displayed, either the displayed
reading is outside the above limits or
the batteries are weak.
10. CANCELING A FIELD
CALIBRATION
1. Turn the thermometer off.
2. Hold the CAL key down while
pressing the ON/OFF key.
The field calibration is canceled and the
thermometer reverts to the default
factory calibration. The CAL
annunciator is now turned off.