Grass Valley PDR v.2.1 - Manual (Page 42)

Chapter 2 Using the Profile Configuration Manager
26 Profile Family
as soon as it drops back into range. The disk recorder can use untimed signals
if auto-timing is not enabled, but they are not timed correctly and may cause
jumping and skipping in E to E mode.
NOTE: If you select auto-timing for an input signal and it cannot
auto time with the genlock reference signal, the input signal is not
recorded accurately. If you must record an input that cannot lock,
disable auto timing and record. There may be problems if you are
operating on E to E mode, but the clip won’t play back correctly
timed.
Enable Dither
Dithering smooths out roughness caused when a signal is digitized. The LSB
artifacts on 10-bit video feeds are reduced. There is no effect on 8-bit video.
Input Gain Adjustment
Adjust the input gain on the syncs to compensate for any losses in the input.
You can adjust the gain manually or use the AGC (audio gain control). AGC
enables the internal quality monitoring circuit to automatically adjust the gain
to keep the sync level constant.
To manually adjust the gain, turn off AGC and move the slider to the desired
value. The range is from 45 to 142 percent (
±
3 dB) of the input signal for
NTSC/525 and 82 to 142 percent for PAL/625. When you click Default, the
Input Gain Adjustment resets to the default value (100 percent).