La Crosse Technology WS-9037U-IT Manual page 38

INSTALL AND REPLACE BATTERIES IN THE TEMPERATURE SENSOR
Note:
In the event of changing batteries in any of the units, all units need to be reset by following
the setting up procedures. This is because a random security code is assigned by the
sensor at start-up and this code must be received and stored by the Temperature Station in
the first 3 minutes of power being supplied to it
BATTERY CHANGE:
It is recommended to replace the batteries in all units regularly to ensure optimum accuracy
of these units (Battery life see Specifications below).
The temperature sensor uses 2 x AA, IEC LR6, 1.5V battery. To
install and replace the batteries, please follow the steps below:
1. Remove the battery compartment cover.
2. Insert the batteries, observing the correct polarity (see
marking).
3. Replace the battery cover on the unit.
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