Cobalt Networks 9084 manual Miscellaneous Color and Video Correction Examples

Operating InstructionsColor 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	Using the red channel Gamma control to reduce Gamma
SMPTE color bars on vectorscope display)	factor, vectorscope display now shows correction with no
	knee or curvature at intersection of axes.

VAR1.PNG VAR2.PNG

Excessive green channel lift/offset (as shown below for	Using the green channel Black control to reduce green
SMPTE color bars on vectorscope display)	channel lift/offset, vectorscope display now shows no
	droop along axis.

VAR3.PNG VAR2.PNG

9084-OM (V4.0) 9084 PRODUCT MANUAL 3-31