Old-school oscilloscope screen showing a grainy video feed

This is a close-up of an old oscilloscope with a small screen showing a grainy black-and-white video. The screen seems to be capturing someone walking on pavement, maybe from a security camera or a handheld device. The machine has lots of knobs and dials labeled with technical terms like 'INTENSITY', 'FOCUS', 'TONE', and 'SWEEP RANGE'. The overall vibe is retro, like something from the 70s or 80s. The video feed is low-res and slightly shaky, giving it a raw, unpolished feel. It’s not clear who’s being filmed or why, but the setup suggests it’s being used for monitoring or testing. The background is dark, and the only light comes from the screen and the knobs. There’s a watermark at the bottom that says 'XBdsm1.com'. It feels like a behind-the-scenes look at some old tech in action, maybe in a lab or a workshop.