h. At the Analog Sweep menu, press the
menu soft-key Sweep Ramp to go to
the Analog Sweep Ramp Menu.
i. Press Sweep Time to open the sweep
time parameter for editing.
j. Set the sweep time to 99 seconds.
NOTE
Monitor the 681XXC’s Horizontal
Output on the Oscilloscope to de-
termine sweep start and stop.
Step 4 During the analog sweep, measure the
maximum and minimum Power Meter
readings and record the values on the test
record. Verifythat the variation (differ-
ence between the maximum and mini-
mum readings) does not exceed the value
noted on the test record.
5-18 681XXC OMOPERATION POWER LEVEL ACCURACY
VERIFICATION AND FLATNESS TESTS