Performance Verification
4–12 TDS3000 Series Service Manual
15. Turn the horizontal POSITION control counter-clockwise to set the delay to
exactly 10 ms.
16. Set the horizontal scale to 1 s/div.
17. Check that the rising edge of the marker crosses the center horizontal
graticule line within ±2 divisions of center graticule.
NOTE. One division of displacement from graticule center corresponds to a 100
ppm time base error.
This completes the performance verification procedure.