& DAC Description The V6271 is a Serial Digital Video Distribution Amplifier with converters to analague composite and component signals, which forms part of the Vistek V1600 range of interface products. It is a 3U high card, which is fitted into either a V1601, V1603 or V1606 rack, from which it gets its power and remote control.
VISTEK V6271 Video Monitoring DA & DAC Hardware The figure below shows diagrammatically the printed circuit board along with certain other components of interest. In particular it shows the position and orientation of the controls and switches, which set up Outputs when operated in Local control...
VISTEK V6271 Video Monitoring DA & DAC Front Panel Remote Control Access and Power indicators PAL I PAL N Input Signal Format NTSC PAL M YUV/ Analogue Output Type (CVBS or YC, YUV/GBR) (amber) Test Signal Local Selection & Global Indication of Test Pattern...
VISTEK V6271 Video Monitoring DA & DAC 2.5.1 Panel Indicators The LEDs on the panel have these meanings Short blinks to indicate access by the DART controller, if fitted. It does not indicate that the unit is in one of its remote control modes.
VISTEK V6271 Video Monitoring DA & DAC Operation Default Rate This selection determines the default line rate when no input is present. If there is an input the module outputs will switch to the input line rate and standard defined below.
VISTEK V6271 Video Monitoring DA & DAC Outputs A & B The outputs A & B can be selcted to be either composite video or YC components Test Pattern The internal Test pattern can be selected between Pluge (for monitor alignment) and Colour Bars.
Y, Pb, Pr, G, B, R outputs. When in calibration mode the outputs are automatically selected to CVBS and Y, Pb, Pr and only the CVBS/Y (or the CVBS/C on a V6271/4) and Y/G outputs need to be monitored for adjustment.
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