Adjustment Procedures
5-14 2715 Spectrum Analyzer Service Manual
4. Adjust R107 (HOG) for optimum one checkerboard square perdivision
(edges of intensified squarespositioned to left and right vertical graticule
lines).
5. Repeat steps 3 and 4 to eliminate interaction.The checkerboard pattern will
be centered when properlyadjusted.
6. Set R174 (VectorOffset) to midrange.
7. Adjust R63 (VOO) and R42 (VOG) for proper spacing of the pattern at the
top and bottom of the screen, respectiv ely.
8. Adjust R63 (VOO) to center the top intensifiedhorizontal checkerboard line
on the top graticule line. Refer to Figure 5-- 3.
IntensifiedSegments
Figure 5- 3: Properly Adjusted Checkerboard Pattern
9. Adjust R42 (VOG) to center the bottom intensifiedhorizontal line on the
bottom graticule line.
10. Press BKSP (once).