You can't add more than one EA to a chart, but you could open another chart of the same currency pair and then add the other EA to that chart. (fxdayjob.com)
The ability to hedge allows a trader to hold both buy and sell positions in the same currency pair simultaneously. (fxcm.com)
Open 4 new charts of the same currency pair and then use the time frame icon to set them to 1 hour, 4 hour, daily, and weekly. (learntotradethemarket.com)