Sadly doesn’t work anymore as it was dropped and damaged. Found it at an ewaste site with the idea to build an ITX pc inside with a little DIY digital oscilloscope replacing the screen connected to the audio out so you can see the wave form as you listen to music or play games
They were designed to be repairable! The manuel shows you how to open everything up. I two very similar ones. (465 with a digital memory and a 475 and checked some manuals online. They’re pretty extensive.