Crystal Vision
Specification
that there is no remnant of the original version of old
groups. If group 1 is replaced there is not an old group
1 with the “mark for deletion” flag set. Instead there is
just the new modified group 1.
Auxiliary data
All VANC data is passed, together with all non-audio
HANC data that is received as a contiguous input from
the HANC start.
Status
monitoring
LEDs
Front of card edge LED indicators to indicate:
PSU rails present
SDI input HD/SD
GPI Out 5 & GPI Out 6 active
GPI inputs
Number and type:
4 x GPI inputs. Recall of presets. Pulse or level
asserted. Active pull to ground, pulled up to +5V
through 7 kohm.
GPI
outputs
Number and type:
2 x GPI outputs, selectable from loss of input, video
black and frozen
reference missing and (for SYN-A 3G
only) audio missing, audio channel silence.
Electrically: Open collector transistors 30V, 270 ohm
current limit resistors. Pulled up to +5V through
7k ohm
.
Input fail
output
Type:
Blue, black, bars, freeze frame, no output, with optional
3 second freeze before applying.
SYN 3G/SYN-A 3G User Manual R1.3
46
9 July 2019