Agilent Technologies 3000 X-Series Servisní příručka Strana 31

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Getting Started 1
Agilent 3000 Series Oscilloscopes User’s Guide 31
Step 8. Compensate probes
Compensate probes to match your probe to the input channel. You should
compensate a probe whenever you attach it for the first time to any input
channel.
Low Frequency Compensation
For the supplied passive probes:
1 Set the Probe menu attenuation to 10X. If you use the probe hooktip,
ensure a proper connection by firmly inserting the tip onto the probe.
2 Attach the probe tip to the probe compensation connector and the
ground lead to the probe compensator ground connector.
3 Press the Auto-Scale
front panel button.
4 If waveform does not appear like the Correctly Compensated waveform
shown in Figure 7, then use a nonmetallic tool to adjust the low
frequency compensation adjustment on the probe for the flattest square
wave possible.
Figure 7 Low Frequency Probe Compensation
Low frequency compensation adjustment
Over Compensated
Under Compensated
Correctly Compensated
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