Technoline WS 9485 Mode D'emploi page 27

Thermometer
Receiving the sensor signal:

The main unit automatically starts receiving transmission from outdoor
sensor for outdoor temperature & humidity after weather condition
setting.

The outdoor sensor will automatically transmit temperature and
humidity signal to the main unit after batteries inserted.

If main unit failed to receive transmission from outdoor thermo sensor
in first 3 minutes after the batteries inserted ("- - . –"display on the LCD),
hold the "RF SEARCH" button (B6) for 3 seconds to receive
transmission manually. RF icon "
Note: For best measuring, place the outdoor sensor outside and protected
from rainfall, strong winds and direct sunlight.
Temperature & humidity
Past 24 hours highest / lowest outdoor temperature and humidity

After start up, the unit automatically shows the past 24 hours of the
highest & lowest outdoor temperature and humidity record. "HI" (high) &
" flashes on the LCD.
EN8