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Performance Verification
THS710A, THS720A, THS730A & THS720P Service Manual
4–13
6. Press SET LEVEL TO 50%.
7. Press MAG.
8. Change the TekScope instrument setup using the following steps:
SCO
PE
HORIZON-
TAL MENU
Time Base Delayed Runs After
Main
—
CLEAR
MENU
— —
9. Set the delayed time base SEC/DIV to 50 ms/div.
10. Change the TekScope instrument setup using the following steps:
SCO
PE
HORIZON-
TAL MENU
Time Base Delayed Runs After
Main
Set delay time to
10 ms
CLEAR
MENU
— — —
11. Set the delayed time base SEC/DIV to 500 ns/div.
12. Check that the rising edge of the marker crosses the center horizontal
graticule line within ±4 divisions of center graticule.
NOTE. One division of displacement from graticule center corresponds to
a 50 ppm time base error.