The Capture Tab is for assigning how and what you want to capture.
Hotkey Set focus on the hotkey edit window and hold down the key (s) you want to use as a hotkey combination. It will appear in the box. Then you can capture whenever you press the hotkey.
Default capture Select what you want to capture.
Advanced Whether to auto run when system start and whether use these settings for next start.
After capture Give an alert after each capture.