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r <br /> Display Zooms <br /> Zoom <br /> The- operator shall have : the ability to zoom any portion of 'the screen .by .a <br /> magnification factor. of, tw.o or .four. ; <br /> Quadrant <br /> The .screen location desired by the operator for magnification may be selected by <br /> a two-key sequence beginning with quadrant selection and one of nine. .quadrants. <br /> Quadrant Scroll <br /> The operator shall be capable of fine-tuning the magnification center anywhere <br /> within display area by manipulation of pan and scroll direction buttons. <br /> Video Display <br /> The video display must consist of a minimum pixel resolution of 640' horizontal <br /> elements. .and 480 vertical elements. The bit depth shall be no less than six <br /> bits. <br /> Color Selection <br /> Color selection shall be from a minimum palette of 16,000 colors. <br /> Angular Resolution <br /> The angular azimuth display resolution shall be .0879' or better. <br /> Display Aspect Ratio <br /> The radar aspect ratio must be one to one. <br /> -9- <br />