Help with backtest past data loading!

I need help loading back data for testing...

I cant seem to get it to laod much more than a few months at a time

I am trying to backtest the USDJPY but im only pulling up about 6 months of time (1 hour chart)
how can I get say 1 -3 years of history to test all at once

I know it can be done but how????



please someone give me good instructions

thanks


M4X