Here's what I found
To use an aggregate device with Logic:
Open Logic Pro or Logic Express.
Choose Logic Pro > Preferences > Audio or Logic Express > Preferences > Audio and select the Devices tab.
Select the Output Device drop-down menu and choose the aggregate device from the list. ...
Click Apply Changes at the bottom-right of the window.
Answer:
spacebar and number i think
Explanation:
Markers are an often underutilized tool in the Premiere Pro CC toolbox. They are little colored tabs you can apply to both your timeline and your source clips to indicate important points in time with a color or note.
First it will glow then change what color you want
