User`s guide

Front-Panel Controls 2
5000 Series Oscilloscope User’s Guide 59
Manually Setting the Probe Attenuation Factor
If you connect a probe that the oscilloscope does not
automatically identify, you can set the attenuation factor as
follows:
1 Press the channel key
2 Press the Probe softkey
3 Turn the Entry knob to set the attenuation factor for the
connected probe.
The attenuation factor can be set from 0.1:1 to 1000:1 in a 1-2-5
sequence for measuring voltage values. The attenuation factor
can be set from 10 V/A to 0.001V/A to for measuring current
values with a current probe. The probe attenuation factor must
be set properly for measurements to be made correctly.
Active Probes
All InfiniiVision 5000 Series oscilloscopes have an AutoProbe
interface. Most Agilent active probes are compatible with the
AutoProbe interface. The AutoProbe interface uses a series of
contacts directly below the channel’s BNC connector to transfer
information between the oscilloscope and the probe. When you
connect a compatible probe to the oscilloscope, the AutoProbe
interface determines the type of probe and sets the
oscilloscope’s parameters (units, offset, attenuation, coupling,
and impedance) accordingly.