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4Ć20
These procedures check those characteristics that relate to the horizontal
system and are listed as checked under Warranted Characteristics in
Section 1, Specifications.
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%)$!"( %)& One time marker generator (item 9), one precision
coaxial cable (item 5), and one 50 W termination (item 3).
1. Display channel 1, turning all others off.
2. Connect the output of the time marker generator to the input as
shown in Figure 4Ć10.
Time Mark Generator
50 W Termination
Precision Cable
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3. Set the output of the generator for 20 ns markers.
4. Press the button.
5. Set the sec/div scale to 20 ns.
6. Set the volts/div scale to 500 mV.
7. Center the time mark display vertically.
8. Press the button and set D to ".
9. Position the rising edge of the second time mark to the second vertical
graticule line.
10. Align the active cursor to the second time mark at the point the rising
edge intersects the center horizontal graticule line using the General
Purpose Knob.
11. Press the button and align the second cursor to the tenth time
mark at the point the rising edge intersects the center horizontal
graticule line using the General Purpose Knob.
12. Check that the TimeĆmark to Graticule Accuracy and the Time Cursor
Readout Accuracy over the center eight divisions are within the limits
shown for each Sec/Div Scale listed in Table 4Ć4.
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