Select  to add to your studies.
Indicators are grouped by Upper Indicators (which will appear on the Chart) and Lower Indicators (listed below the chart)
Once selected, you can customize the parameters – including the type of line you want for Moving Averages.
Upper Indicator selection summary appears above the chart and have an associated toolbar that allow edits (gear) hide/display(eye), refresh or remove..

 

Lower indicators can be displayed/hidden, move placement up/down  or delete it to truly customize your view.  

Make sure to Save Your New Chart Settings