GRASS VALLEY LDX 86 HS - 5.5 Knee, Filters, and Color Adjustments

64 LDX 86 HS/XS HiSpeed/XtremeSpeed HD camera User’s Guide (v1.0)
Chapter 5 - Video setup
Press the BLACK button and switch on the BLACK STR item. Use the BLACK LVL item to
adjust the Black Stretch level from 0 to 99.
In the camera menu, navigate to the PRODUCTION SETUP > LEVELS > BLACK menu and
switch on the BLACK item. Adjust the Black Stretch level from 0 to 99 using the
BLACK STR LEVEL function.
Values below 50 are Black Press, values higher than 50 are Black Stretch.
☞
Note
☞
Note
Black Stretch is applied independently from Gamma.

When Black Stretch is switched on the non-standard indicator in the viewfinder lights (only for
ocular viewfinders).
5.5 Knee
Knee is a function that compresses the wide dynamic range of the video signal coming from
the imager into the more limited video output range.
0 100
0
20
40
60
80
100
Black Stretch
Black Press
OCP
CAM