Yamaha DTXpress/DTXplorer/DTXtreme

hy all i just upgraded from a dtxplorer to a dtxpress II today (maybe
downgraded) well i need some help fine tunnig the module , i looked
for the dext program but could not find it ,, i dond have midi cable
just wanted to see the sysex files so i could manualy program my kits
could someone please help me maybe tell what you use .. i liked the
sounds on the dtxplorer but its limited  thanks