Operating instructions – Cobalt Digital COMPASS 9064 Up_Down_Cross Converter User Manual
Page 71
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9064-OM (V4.1)
9064 PRODUCT MANUAL
3-41
Operating Instructions
Color and Video Correction Examples Using the 9064
Miscellaneous Color and Video Correction Examples
Table 3-3 provides examples showing and describing various color and video
condition corrections using the 9064.
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 9064
Condition Observed On Waveform Monitor
Correction Using 9064
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 Adj control to reduce
green channel lift/offset, vectorscope display now shows
no droop along axis.
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