Crystal Vision
Control Descriptions
9.1 Video Status Menu
Video Status
Display presence, standard and status of input and output video signals.
Input Video
Present
On if a video input is present.
Format
Displays the video standard of the input i.e.
‘1080i 50’.
Black
On if the video input is at black level. Video
black is defined as values in the range of 58 to
70 around digital black (+/- 5mV). If digital black
is present for longer than the delay time set by
the video black delay control, a video black
error will be flagged.
Frozen
On if the input video is frozen. A picture is
considered frozen when a frame is identical to
the previous frame. If this condition is met
consistently for the period of time set by the
video frozen delay control, a video frozen error
will be flagged.
Output
Format
Displays the output video standard i.e. ‘625i
50Hz’.
Down Converted
Output
This LED will be illuminated when the Q-Down
3G range is down converting.
Pass Through
Output
Whenever the input format is the same as the
selected output format this LED will be
illuminated. When in this mode all aspect ratio
controls will be disabled along with the vertical
filtering. The analogue output selection remains
active along with the analogue and digital RGB
and YUV proc amps and the delay controls.
Bypassed Output
This LED will be illuminated when the Q-Down
Q-Down-AG 3G/ATG 3G User Manual R2.1
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11 July 2019
