HP 8904A - Page 152

3A-6 HP 8904A Option 005
6) Connect the OUTPUTS-1-HIGH signal from each instrument to
the inputs of a multi-channel oscilloscope. Set the oscilloscope to
trigger on the signal from the Master controller. Set the
time/division at 0.1 ms.
7) Center each waveform on the oscilloscope’s display so that the
tops and bottoms of each waveform are at the same level.
8) Using the SAVE/RECALL function, SAVE the instrument settings
for both of the Slave instruments, and then
turn the power off.
9) Turn both Slave instruments back on and recall the saved settings.
At this point, the zero-crossings of the three signals should not
align.
10) Press SHIFT,
RESET on the Master controller. The
zero-crossings of all three signals should align as shown in the
illustration below.
HP8904A Outputs
2
If the zero-crossings of the signals are not aligned, verify that you
have properly enabled special functions 6 and 7. Also, check for the
proper Master/Slave instrument connections.
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