Tektronix MSO4000B Series - Page 80

Performance Verification
12. Set the Horizon
tal Scale to 400 ns/div.
13. Compare the rising edge of the marker with the center horizontal graticule
line. The risi
ng edge should be within ±1 divisions of center graticule. Enter
the deviation in the test record.
NOTE. One division of displacement from graticule center corresponds to a
5ppmtimebaseerror.
72 MSO4000B and DPO4000B Series Specifications and Performance Verification