First check the type of Medido you are using (for the Medido 2 you can find this on the back of the device) and then choose the messages that belong to that type.
If your question is not listed here, please contact us. We are available 24/7 to answer all your questions. You can reach us via 085-888-5123. Between 10:00 pm and 7:30 am, we are only available for emergencies.