My 2465A clearly has auto-scaling. I would know since I've owned it for thirty years. I believe the differences to the B are 350 vs. 400MHz, and the Sony CRT.

My 2465A clearly has auto-scaling. I would know since I've owned it for thirty years. I believe the differences to the B are 350 vs. 400MHz, and the Sony CRT. You can get the 2465A operator manual online to see for yourself.