Grass Valley PDR v.2.1 - Manual (Page 49)

Component Analog Video Input
Profile Family 33
Renaming the Input Signal
Enter the new name in the Name field. For example, if the signal is a Betacam
input, rename it Betacam_1. The VITC name, window title bar name, and the
configuration tree name automatically change as you enter the new name.
Names can be up to 30 characters, and can include spaces. To return a renamed
signal to the default, delete all the characters in the text field, and press Enter.
VITC Reader Setting
If you to use Automatic VITC detect, the disk recorder uses the range set in the
From and To lines to look for the VITC signals. If Automatic VITC detect is
not used, the disk recorder expects to find the VITC signals on the VITC Reader
Line 1 (default 10) or Line 2 (default 40). If the signal is found, the VITC
Present indicator is turned on.
NOTE: Input must be auto-timed to use automatic VITC detection.
Input Gain Adjustment
Move the adjustment slider to the desired value. The range is from 70 percent
to 140 percent (3 dB) for the input signal for both 525 and 625. When you click
on Default, the Input Gain Adjustment resets to the default value (100 percent).
Enable Auto-Timing
Auto-timing determines if the input is synchronized to the reference genlock
signal. The disk recorder records time-base corrected video whether or not it is
also locked to the reference.
If you want to use the disk recorder as a switcher and/or have the output video
correctly timed when in E to E mode, the input video must be locked to the
reference and properly timed to the disk recorder. To aid in the timing setup, all
video inputs have auto-timing circuits which synchronize input video to the
internal timing reference as long as the input video is within the auto-timing
sync window (
±
1 lines). To get to the auto-timing window the input must be
advanced 7.5 lines.
The auto-timing circuit is always trying to lock to the signal. If you try to auto-
time a signal outside of the window, the video signal appears to be broken-up
as it cannot be timed into the system. If the input drifts out of range, it is retimed