1. Depends on the EA: if it is written to trade multiple pairs (more advanced) then you can apply it to one chart and it will take postions in the pairs you have instructed it to trade. If the specific pairs are not specified then it will only trade ...
hi, to test your sounds use the "visual mode", hit start, then pause it, then apply your indicator, adjust the playback speed and hit resume, it will then run through the test with the alarms cheers