"Show VCA items" is a function which works in Internet Explorer 11 with the Bosch MPEG ActiveX installed. Due the end-of-life of Internet Explorer, this function is no longer available on Microsoft Edge.
This article explains where you can find the Camera Trainer for FLEXIDOME IP STARLIGHT 8000i camera and what settings are needed for CT to be displayed in Config Manager
Follow this article if you have FLEXIDOME IP outdoor 5000i (FW 6.43.0027) or FLEXIDOME starlight 6000 VR (FW 6.32.0109) cameras and you would like to upgrade them to the latest version available
This article contains information if the Common Product Platforms CPP-ENC, CPP3 and CPP4 are affected or not by the Meltdown and Spectre vulnerabilities.
Dinion IP starlight 6000 HD/ Dinion IP ultra 9000 MP is a fixed camera, not a PTZ camera. The camera is only capable of e-PTZ (Electronic Pan, Tilt and Zoom).