Operating the instrument
R&S
®
Scope Rider RTH
34Getting Started 1326.1561.02 ─ 10
5 Operating the instrument
5.1 Connecting probes
1. Connect one or more probes to the channel inputs at the top of the instru-
ment.
2. To get the most accurate waveform display and best measurement results,
remove all redundant connectors: power adapter, USB flash drive, DMM test
leads and unused channels.
3. Press and hold the [CH] key of the used input.
4. Select "Probe Setting".
5. WARNING! Shock hazards caused by high voltages.
Make sure to set the attenuation factor on the instrument according to the
probe being used. Otherwise, the measurement results do not reflect the
actual voltage level, and you might misjudge the actual risk.
Select the attenuation factor of the probe:
● To set a common attenuation factor, select it on the list.
● To set a user-defined attenuation factor:
– Select "User".
– Set the "Probe Factor".
You find the probe's attenuation factor on the probe.
No attenuation with AC coupling:
If AC coupling is set, the attenuation of passive probes has no effect, and volt-
age is applied to the instrument with factor 1:1. Observe the voltage limits,
otherwise you can damage the instrument.
Current measurements:
If you measure current using a shunt resistor as a current sensor, you have to
multiply the V/A-value of the resistor by the attenuation of the probe. For
example, if you use a 1 Ω resistor and a 10:1 probe, the V/A-value of the
resistor is 1 V/A. The attenuation factor of the probe is 0.1, and the resulting
current probe attenuation is 100 mV/A.
Connecting probes
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