If you select digital mode it will trade only digital option. Just select Digital and select an asset from bellow the Digital box and select your PT- 1M/5M/15M. If you select 1 asset from that box robot will place trade only on that pairs when traders trade on that pairs. If your selected traders not trade on that pair robot will not place any trade. If you select all, robot will copy all trades from the trader whichever asset he/she are trading. Example: If the trade on 5 pairs robot will trade on that 5 assets.