If your unit has a green LCD screen and "Radio 9" written in bold, look for a white sticker on the bottom. The serial number often tells the revision (Rev A, B, C). Rev C units work with USB. Rev A/B need a specific ISA/PCI card in the computer.
Can’t find the official manual for your Hardata Dinesat Radio 9? Here is your practical guide to troubleshooting, button mapping, and operating this legacy radio automation hardware. If you are reading this, you are likely staring at a dusty piece of rack-mounted gear with "Hardata Dinesat" written on the front, or you have just inherited an older studio that still runs like a tank. hardata dinesat radio 9 manual
Turn the unit on while watching the connected PC screen (if it uses serial/USB control). The version number often tells you which driver you need. If it doesn't handshake with the PC, you likely need the Hardata Dinesat Legacy Driver (Windows XP/7 era). If your unit has a green LCD screen