6. Advancedvideo signal video signalframe blankingHIegalisationImage 6-99HI AGC Hold intervalThe Comb filter is by default enabled.The AGC hold interval is the time interval in which the AGC is inhibited (AGC hold = no update in video amplitude measurement),the advanced parameter allows to choose a short or long hold interval.A long AGC hold interval eliminates Macrovision ® disturbances since the AGC is hold during a long interval, thus reducing theprobability to encounter a Macrovision ® pulse.The sync locking setting is recommended for poor video signals (ex: poor TV signals).Sharpness adjustment can be chosen to be coarse or fine.It is recommended to use the default values.Advanced Data settingsThe advanced button enables the advanced settings for a data source.Image 6-100video infoaHs HsbImage 6-101Hs horizontal sync pulsea active lowb active highThe VCO range setting determines the frequency range of the VCO (Voltage Controlled Oscillator).The Cpmp (Charge pump current) sets the low pass filter current.Both VCO range & Cpmp are set by the image file, changing these settings is only indicated in for special purposes.The horizontal sync polarity setting can be useful in case of a bad shaped edge, one can choose between the leading (active low)or trailing (active high) edge.The input format settings are used to "tell more" about the signals connected on the BNC’s, it completes the information in the sourceselection menu.- RGB is selected by default and means that an RGB signal is connected to the BNC’s- PR/Y/PB must be selected whenever:86 R5976874 ID PRO R600/R600+ 21/09/2006
