TFA WIRELESS 433 MHz TEMPERATURE STATION Instruction Manual page 29

e. The history data sets of temperature and humidity
History data icon flashing
In normal display mode, press the Mode key five times. The "hist" icon will be flashing and the last
recorded temperature and humidity reading with the time of record will be displayed.
By pressing the Minus key, the previous sets of readings which were measured at the user-selected
recording intervals may be viewed.
If the channel is not set to be saved in the system memory, no history values will be displayed and "--.-" will
be shown on LCD.
CALIBRATION OF TEMPERATURE AND HUMIDITY READING
The temperature station allows user to calibrate the displayed temperature and humidity readings by a
better reference. User may enter the correction of temperature reading and humidity reading in the range
of ±2°C and ±10% respectively.
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