Hi, I've a DH-CA-HZ2030 BLOCK Camera with firmware 2.210.3.0
in this firmware preset function of the zoom doesn't.t work...
I would upgrade but it's very difficult find firmware version for this camera...
I tried this version --> dh_sd-eos_eng_p_stream3_v2.420.0000.4.r.20160229 that I found for...