Assumes you are in Monitor Mode ( Monitor, Monitor Start).
Select menu item, Monitor, Enable Capture to File, so there is a check mark beside this menu item. ( Also make sure menu item, Monitor, Activate Enabled Alarms and Capture, has already been selected i.e. status bar shows ARMED.)
Result:
Video of motion detected is being captured to file.
Select menu item, Monitor, Enable Capture to File, so there is a No check mark beside this menu item.
Result:
No video is being captured to file.
Note:
Enable Capture to File, starts and stops capturing video of motion to the same
file. Only exiting Monitor or Web Mode creates a the new video file. Only
exception, is if the video file exceeds the specified size, then a new file is
created, while in Monitor or Web Mode.