The system allows you to enter up to two tariff rates and one standing charge (also known as network charge). 

To enter tariff/s select [More Menu] button in the app. Next select [Energy] and [Electricity tariff]. Here you can enter the tariff rate/s and standing charge.

A minimum of one tariff rate is needed. If you have a second tariff rate you will need to enter the start and end time for this second tariff rate.