La Crosse Technology WIRELESS WEATHER STATION Instruction Manual page 65

4. Press MIN/ MAX button twice more to show the minimum data. The "min"
icon will be displayed.
5. Press the SET button, this will reset the outdoor minimum temperature and
humidity record to the current value.
6. Press six more times the MIN/MAX key to return to the normal display.
TEMPERATURE TRANSMITTER:
The range of the Thermo-hygro Transmitter may be affected by the temperature.
At cold temperatures the transmitting distance may be decreased. Please bear this
in mind when placing the transmitter.
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