- 14 -
with distilled water. Allow temperature to
stabilize.
2. Press and release the
cal
key for 3
seconds to enter the calibration mode. The
CAL indicator starts blinking. Release the
cal
key.
3. If the measured temperature is from –5°C
to 5°C (23 to 41°F) when the 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 in display, indicating that
field calibration is now active.
If “Err” is displayed, the displayed reading is
outside the above limits.
16. CLEAR FIELD CALIBRATION
NOTE:
Press any key (except the
cal
key)
while in calibration mode to abort calibration.
To clear user calibration:
1. Turn the thermometer off.
2. Hold
the
cal
key down while pressing the
on/off
key.
3. The version-model window appears without
the CAL indicator to indicate that the user
calibration has been successfully cleared.