I.m using an rooted Toon (v1) in combination with an analogue meter. (Disc; dutch: draaischijf

My solarpanels are doing well, but what i.m wondering:
The analogue meter (optical measering via the Toon device) says i.m using lots of kw.s, but for real the meter is turning backwards.
Isn.t it possible to adjust the Toon so it wil show an extra logo or something? It would be great to see that the meter shows the actual kw.s.
Now the meter always thinks i am using power, but for real the meter is turning backwards (left) in stead of forwards (right).