Mitsubishi Electric MELSEC iQ-R Series Introduction Manual page 88

3.
Open the log marker information file (*.vms).
*1 When GX VideoViewer is started and the video with log markers have been added is opened, they can be synchronized with the
following procedure.
[Log Marker]  [Read from GX VideoViewer]
4.
The log markers added in GX VideoViewer are added to the seek bar.
9 OPERATION EXAMPLE
87
9.1 How to Check the Recording Result