docs/userguide/definemonitor/definemonitor_timestamp.rst
Timestamp tab defines the formatting and location of the timestamp in the captured images.
.. figure:: images/define-monitor-timestamp.png
Monitor Timestamp Tab
strftime style string with a few extra tokens. You can add %f to add hundredths of a second to the frame timestamp. %H:%M:%S.%f will output time formatted as 10:45:37.45. You can also use %N for the name of the monitor and %Q which will be filled by any of the ‘show text’ detailed in the zmtriggers.pl section.