How many data sets can be saved on the MACRO without downloading them to the pc (for example when being on holiday without pc)?
Depending on the recording interval (5, 10 or 20 seconds) up to 200 hours of training can be recorded. In this point the amount of data sets not relevant. Training sessions can be recorded until the memory is full.
But it is actually necessary to start the recording manually. Information about starting the recording may be found in the following FAQ: 4. Why isn’t there any data saved on the MACRO after a bike tour?