1. After entering the software, click the K-line main page and right click.

2. Take "Morningstar" as an example, select "Morningstar" and confirm.

3. After confirmation, you can see that the K-line color has turned green, and the red K-line shows the selected K-line combination signal.

4. If you need to delete the multi-color K-line, left-click the K-line to select the indicator, and press the "Delete" and "Delete" buttons to delete it. Tongda letter software functions: integrating the market conditions of Shanghai, Shenzhen, Hong Kong stocks, US stocks, futures, options, funds, macro and foreign exchange, suitable for all investors; Innovative combination of Shanghai and Shenzhen data, the introduction of DDE decision-making, stock capital flow, theme events, consensus expectations, shareholding changes, dragon and tiger list and other special functions; Provide market quotations of Shanghai, Shenzhen, Hong Kong and US stocks, and support self-selection, ranking, sector and various technical indicators; Overview of the global market through commodity futures, foreign currency exchange rates and global indexes; Have a variety of column information.