Switching °C or °F
Press the "DOWN" button to switch between the temperature
unit °C or °F.
Switching 12/24HR
Press and hold "UP" button for 3 seconds to switch between
12HR or 24HR time display.
Check the maximum and minimum values of temperature
and humidity
Press once "MEM" button to check the maximum and
minimum values of temperature and humidity.
The maximum minimum value resets itself every 24 hours.
Temperature history
The bar graph displays the change of temperature for up to 12
hours, the timeline is in the bottom of the chart, the
WS9125 Manual