Sony Digital betacam DVW-707 Operation Manual page 46

3 TC OUT (time code output) connector (BNC type)
To synchronize the time code of an external VTR with that of the
camcorder, connect this connector to the time code input lock connector
2
of the external VTR.
4 TEST OUT (output) connector (BNC type)
To synchronize the time code of an external VTR with that of the
camcorder, set the test output signal to composite video and connect this
connector to the video input connector of the external VTR.
For information about setting the test output, see page 2-24.
2-30
Chapter 2 Locations and Functions of Parts and Controls