Hello I purchased hantek DSO 2D10 BUT I HAVE A PROBLEM OF AUTO SET BUTTON DOESN'T WORK ESPECIALLY WHEN AM TESTING REFERENCE CRYSTAL'S EG25MHZ CRYSTAL, 19MHZ CRYSTAL, ETC AND ALL AC SIGNALS BECAUSE WHEN I TRY TO PUT PROBE ON REFERENCE CRYSTAL I ORDER TO CAPTURE AUTOMATICALLY WHEN I PRESS AUTO SET BUTTON IT DISPLAYS WRONG SIGNAL MEASUREMENTS. PLEASE WHAT ITS THE SOLUTION FOR SUCH AN ISSUE. BECAUSE EVEN SOMETIMES IT HANGS AND FREEZES