22-11-2015, 05:55 PM
External X is not the same as external trigger. On many dual trace scopes you can use one Y channel for Y and the other for X . On many Tektronix scopes this is done by turning the timebase speed to a special position to the left of the lowest speed. I don't know about others.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv







