Hi I am an automotive repair student at lvl 4 and we just started using oscilloscopes and I wanted to get one , so found this one on ebay ( Fluke 123 ) bought it and it wont start phoned them and they said 360 GBP for repair LSS ( I cant afford that ) , so I would like to know what to look for when buying a scope and what should I get to suit my needs as motor-vehicle Tech