Bresser ClimaTemp IO Manuel D'instructions page 18

7 Setting up power supply
Base unit
1.
2.
3.
4.
Wireless sensor
1.
2.
3.
4.
5.
NOTICE! When operating only one wireless sensor, channel
1 is recommended as the default setting.
8 Connecting remote sensors
The Weather Station can display the readings from up to 3
wireless sensors* of the same type. Each radio sensor must
be set to a separate channel. Proceed as follows to set the
channel:
1.
2.
3.
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Remove the battery compartment cover.
Insert batteries into the battery compartment. Make
sure that the batteries are correctly aligned (+/- poles).
Replace the battery compartment cover.
Wait until indoor temperature is displayed on the base
unit.
Remove the battery compartment cover.
Move the CH slider to the position for the desired
transmission channel (setting CH1, CH2 or CH3 with in-
dication on the display).
Insert batteries into the battery compartment. Make
sure that the batteries are correctly aligned (+/- poles).
Replace the battery compartment cover.
Press the SET button for approx. 2 seconds.
Remove the battery compartment cover of the wireless
sensor.
Set the channel selection switch to the desired channel
(CH1, CH2 or CH3).
Re-attach the battery compartment cover.