Appendix C: Performance Verification
d. Disconnect the test equipment from the instrument,
f l Step 2: Check Probe Adjust Operation
a. Connect the 10X Probe to the CH 1 OR X input connector and insert
the probe tip into the PRS ADJ (Probe Adjust) jack on the instru
ment front panel. If necessary, adjust the probe compensation for a
flat-topped square-wave display.
b. CHECK — Display amplitude is 4.75 to 5.25 divisions.
c. Disconnect the probe from the instrument.
f ] Step 3: Check External Clock
a. Set:
CH 1 VOLTS/DIV 1 V
SEC/DIV 1 ms
b. Connect the Pulse Generator high amplitude output via a 50 O cable
and a 50 D termination to CH 1 OR X input connector.
c. Set the generator to produce a 10 ps square wave, with a pulse
duration of 5 ps. Set the amplitude for a five division display, with a
base (bottom) of 0 volts and a top of 5 volts (TTL levels).
d. Disconnect the cable from the CH 1 OR X input connector and
connect it to the BNC maie-to-tip plug via BNC female to BNC
female connector.
e. Insert the BNC male-to-tip plug signal lead and ground lead into pin
1 (EXT CLOCK) and pin 6 (SIG GND) respectively of the X-Y Plotter
connector.
f. Set the SEC/DIV switch to 0.1 sec.
g. Connect the Calibration Generator high amplitude output via a 50 O
cabie and a 50 D termination to CH 1 OR X input connector.
h. Set the generator to produce a 100 Hz, five division display.
i. Set:
SEC/DIV EXT CLK
STORE/NON-STORE STORE (button in)
j. Press the Setup ACQ button to display the ACQUISITION menu
and select Fast with the Ext Clock button. Return the instrument to
display mode by pressing the Setup ACQ button a second time.
k. CHECK — The 100 Hz signal is displayed on the screen and up
dated.
l. Press in the SAVE/CONT button to select SAVE.
m. CHECK — The display is save.
n. Press in the SAVE/CONT button to select CONT,
o. Disconnect the test equipment from the instrument.
A - 5 0
Appendices
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