Cobalt Networks 9084 - Manual (Page 55)

9084-OM (V4.0) 9084 PRODUCT MANUAL 3-31
Operating Instructions
Color and Video Correction Examples Using the 9084
Miscellaneous Color and Video Correction Examples
Table 3-3 provides examples showing and describing various color and video
condition corrections using the 9084.
Note: Signal generator and waveform monitor used in these examples are
Tektronix
®
models TG700 and WFM 7120, respectively.
Table 3-3 Color and Video Corrections Using the 9084
Condition Observed On Waveform Monitor Correction Using 9084
Excessive red channel Gamma (as shown below for
SMPTE color bars on vectorscope display) Using the red channel Gamma control to reduce Gamma
factor, vectorscope display now shows correction with no
knee or curvature at intersection of axes.
Excessive green channel lift/offset (as shown below for
SMPTE color bars on vectorscope display) Using the green channel Black control to reduce green
channel lift/offset, vectorscope display now shows no
droop along axis.
VAR1.PNG VAR2.PNG
VAR3.PNG VAR2.PNG