[NA-User] Marking a QSO to zero points?

[Juha Rantanen]

Hello

We were running M/S in latest CQWW and I made a mistake on a multiplier
station. I was looking for mults on 160m and as I was tired a had my NA set
for 80m, for some odd reason. I found ER1OO and checked if he was a mult on
160m. The computer said "needed this band" and I worked him. Then I noticed
that I had the PC set up for 80m, I corrected the band and noted that ER
wasn't a mult on 160m. So this comes to my question, how do I mark this one
QSO as zero pointer so that ER1OO will get credit for the QSO? Simple
solution would be to removed that QSO but then he would get penalized
without any reason. If I leave the QSO as it is (one pointer) will we be
moved to M/M class?

Juha OH6XX