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4.5 Calibration Mode
While in Normal Mode, press "SET" and "+" buttons at the same
time for 5 seconds to enter Calibration Mode. The temperature
value will begin flashing. Press the "+" button or "-" button to
increase or decrease the temperature bias to match the
calibrated source. Press the "SET" key, the humidity value will
begin flashing. Press the "+" button or "-" button to increase or
decrease the humidity bias to match the calibrated source.
4.5.1 Temperature calibration
To calibrate temperature, we recommend a mercury or red spirit
(fluid)
thermometer.
Bi-metal
(dial)
and
other
digital
thermometers are not a good source and have their own margin
of error. Using a local weather station in your area is also a poor
source due to changes in location, timing (airport weather
stations are only updated once per hour) and possible
calibration errors (many official weather stations are not
properly installed and calibrated)
4.5.2 Humidity calibration
To calibrate humidity, you will need an accurate source, such as
a sling psychrometer.
4.6 Logging Mode
The logging mode to be set on the PC software.
There are three types of logging mode: Cycle Mode, Acyclic
Mode, and Segmented Mode.
The default mode is Cycle Mode.
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