FUNK WS9252 Manual De Instrucciones página 20

Note:

Once the channel is assigned to one transmitter, you can only change
it by removing the batteries or resetting the unit.

If no signals are received or the transmission is interfered, "---" will
appear on the LCD.

Relocate the weather station or the transmitter in other positions and
make sure the transmission is within the effective range of 50 meters
approx.

After several trials in vain, please reset the weather station thoroughly.
Try out where your multifunctional weather station receives the signals
best.
CHECKING AND DELETING MAX./MIN. TEMPERATURE AND
HUMIDITY REOCRDS

Press "MEM/-" key to check and keep the maximum / minimum
temperature record for 5 seconds.

Press and hold the "MEM/-" key for 3 seconds to delete the maximum
and minimum temperature records.
Note:
Once you reset or re-install batteries for the main unit, all the value will be
defaulted.
ICE ALERT
GB8