Hi, You do mean an "X" or a cross? "+" ?
A cross hairs pattern is part of the calibration, (Clock delay timer).
If you power up the scope, then do a reset, (using plug P9104 near the microprocessor), do you still get a cross or X?
The 2230 which is what your 2220 is based on has some good diagnostics for the digital board. I'd guess the 2220 has the same feature.
I'd still like to see a screenshot.
---In TekScopes@..., <stbarker123@...> wrote :
Thanks for your comments.It happens in analog mode. After power on, the display comes up normally for about a second then the X comes up. Occasionally the scope will start up as normal, the problem is more likely if I haven't used it for a few weeks, which is why I think it is depolarised electrolytics.
