The purpose of the Genlock input is to allow the X-Series cameras
to synchronize the active standard video output to an external
video signal. The X-Series cameras can Genlock to both SD and
HD video signals.
SD: If the current video output mode is for NTSC or PAL then the
video fed to the Genlock input must match.
HD: If the current video mode is 720p/59.9/50 or 1080p/29.9/25
then the Genlock input signal needs to match. The input video can
be HD-SDI or the Green channel of a component video (Tri-Sync).
The camera will detect which type of signal is being used.
The Genlock LED will illuminate if there is a valid signal on the
input and it matches the current camera video output type.
Because the camera itself can run at frame rates that can exceed
standard video, it is important to note that by itself, Genlock is only
synchronizing the standard video output to the Genlock input. If
you wish to lock the FPA clock to the Genlock input signal you
must also change the Sync Source from Internal to Video [Sec.
5.4.2.3.2]
An IRIG-B decoder is built into the camera to allow for time
stamping of each frame as well as support triggered data
acquisition at user programmed times. The IRIG clock can decode
IRIG-B-AM. Optimal format is B122 but other B12x formats should
work, however, extra data (such as the year) will not be decoded.
The LED will illuminate when camera is locked to an external IRIG
signal.
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