It would be handy to have a Stromer FAQ or Tips.
E.g.
Sensor sensitivity: code 1004, default 50
This is how hard you have to pedal before the motor assists. A lower numbers require more force on the pedals before the motor assists but will increase range as rider effort is increased.
Personally I've set mine to 20, on a relatively flat ride in ECO 25% of the 14.5ah battery takes me ~25km @ ~25kph ST1 (I'm 230lbs).