When the battery level is getting low, it is time to change the batteries. To do so, perform the following steps:
- Lift the magnetic cover of the battery compartment of your Thermo to open it.
- Remove the old batteries and dispose of them in accordance with local regulations.
- Place two new AAA (LR03) batteries in the compartment.
Make sure you follow the polarity markings when placing the batteries.
- Place the battery cover back.