This is also something that has bothered me too! there is no way of keeping the sound level equal throughout your set/night without post input trims VU meters. I never look at the ones in VDJ as they are not accurate enough.
I can understand when you use the R1 in internal mode with VDJ, but when being used in R1 mode it should revert back to being post trim.
Pioneer - any comment maybe on changing this for future updates maybe?