User manual for HE2XXA series large screen thermo-hygrometer
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5. Key usage:
Key function
Normal mode: press
enter setup mode, press
enter temperature setting, press
or
button respectively to adjust the value.
Key function
Normal mode
：
press this key is invalid.
Setting mode:set a negative value.
Key function
Normal mode:
press this key is invalid.
Setting mode:set a positive value.
Key function
Normal mode
：
press this key is invalid.
Setting mode:Confirm button and enter the next step.
For example
: Standard temperature is 16
℃
, humidity is 66%RH, and the measuring
temperature is 15.3
℃
, humidity is 66.8%RH. Then difference of temperature is -0.7
℃
, difference of
humidity is +0.8%RH.
Setting Steps: first, press
enter setup mode, and then press
enter temperature
Deviation
setting state; press
to adjust the temperature is -0.7
℃
, press
enter humidity
settings, and press
to adjust the humidity value is +0.8%RH, then press
back to normal
mode.