Juntek JDS-2900 kill my Siglent SDS-1202-X with 125 Volts output

When i receive my Juntek JDS-2900 i whant to test it before to made an video for presented it in French language . But my scope made somme strange courbs on graph and don&want to show me any forms i&am try with local calibration on scop but nothing coming in normal way . My scope don&want to show me something normal . when i&unplug the probe i receive an électrique shock