Oscilloscope arrived - black market sucks

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr> 

After playing with my new scope for almost whole night it look like it is
not good!

What should i check before i beat the crap from the black market seller?
:-))

What are the basic check steps to see if it is good?

I tried conecting 9 VAC transformer at input, scope measures 15 V with odd
showing, ok i tried adding one diode no improwment 2 dioes nothing, greatz
then i get only a line it cannot be a line only with a greatz - right? It
cannot be full DC with only 4 diodes? Or when i touch the table the waveform
gose here and there it moves by it self, scope is not fizically connected to
table it does  alot of crap etc and etc.

Help

Best Regards

Kreso Bukvic