1228063 $4D

Can I change the RPM labels?

This ECU comes with RPM as:

400
800
1200
1600
2000
2400
2800
3200

Reason I ask is: how can I tune PE at all, if the VE doesn't go higher than 3200?

Could I not change them to (for example):

400
1000
2000
3000
4000
5000
6000