",*+$ %+ )& ,) *
",*+$ %+ )& ,) *
5Ć6
14. Set the time mark generator for 1 ms markers.
15. Set the control to view the display.
16. Press the button and set to
17. Press the button.
18. Adjust the and R322 on the Display Driver board for the best
focus of the time mark display and readout display.
19. Set the vertical control counterclockwise, moving the baseĆ
line of the time mark display down off the graticule area.
20. Set the control fully counterclockwise (off).
21. Adjust R323 on the Display Driver for the best geometry (minimum
bowing) of the time mark display across the entire graticule area.
22. Set the control to view the readout.
23. Disconnect the calibration setup from the oscilloscope.
&- ) (, %. ,+',+ &$' %*+!&%
(,!'$ %+ (,!) One pulse generator (item 10), one precision coaxial
cable (item 5), one 50 W termination (item 3), and one dualĆinput coupler
(item 7).
",*+$ %+ &+!&%* This procedure requires adjustments to the Display
Driver board. See Figure 5Ć14 on page 5Ć20 for the location of the adjustĆ
ments.
1. Display channel 1, turning all others off.
2. Press the button.
3. Set the volts/div scale to 50 mV.
4. Set the sec/div scale to 1 ms.
5. Press the button and set to #+.
6. Press the button and set to .
7. Connect the positive fast rise pulse output of the pulse generator to the
and input connectors as shown in Figure 5Ć3.
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