You can find a multilanguage / german 5.2.0 version for "Raptor 2XXX" cameras here:
https://knx-user-forum.de/gebaeudetechnik-ohne-knx-eib/31704-hikvision-ds-2cd2032-i-gute-outdoor-uberwachungskamera-76.html#post424306
Otherwise, you have these options to switch manually to german:
https://knx-user-forum.de/gebaeudetechnik-ohne-knx-eib/31704-hikvision-ds-2cd2032-i-gute-outdoor-uberwachungskamera-76.html#post421213