It's a 2203.

In my case it's an I2C signal that's doing a frame refresh on an OLED display. But my initial example of a composite video signal is a well known one. A PAL, interlaced, composite video signal has a frame refresh of 25Hz. That's 40ms. My choices just using the timebase are 2ms/div (20ms) which too f...

Most of the analogue scopes I've used over the years have had a trigger hold-off control that sets the minimum time before a trace can be re-triggered. I found it often useful and quite intuitive to use, especially in conjunction with the trigger delay control. Example: capturing part of a complex s...