Grass Valley DEC-1023 User Manual
Page 27

GUIDE TO INSTALLATION AND OPERATION
DEC-1023 | 23
3.5.9 Reference
Input
These controls allow selection of the reference
signal.
REFERENCE SOURCE: Select between AUTO,
EXTERNAL (use the REF input signal connected to
the rear panel), URS (see below) or INPUT (use the
input video signal as reference) as the reference
source. AUTO mode searches for available signal
in this order: REF input, URS and finally video input
signal.
URS
1
FORMAT: Select between OFF, 525 or 625
for the Universal Reference Signal format.
3.5.10 Input Error
These controls set card behavior when an input
error is detected:
• KILL – kill the output
• BLACK – generate a video black at the
output
• FREEZE – freeze the last video frame before
the error was detected
• BYPASS – pass the input through as
received.
1
The URS is a single signal that distributes a frequency reference and frame alignment references for all video and audio signals to all
cards in a Densité frame.
Figure 3.17 Reference group
Figure 3.18 Input Error group