User`s guide

3 Connecting to the Device Under Test
80 InfiniiVision Oscilloscopes User’s Guide
Manually Setting the Probe Attenuation Factor
If you connect a probe that is not automatically identified by the oscilloscope, you can
manually 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 accurate measurement results.
If Amps is chosen as the units and a manual attenuation factor is chosen, then the units
as well as the attenuation factor are displayed above the Probe softkey.
Digital Probes
Please see “To connect the digital probes to the device under test” on page 370 for
information about digital probing.
Units and Attenuation Factor