Instructions

Table Of Contents
Waveform Setup
R&S
®
Scope Rider RTH
39User Manual 1326.1578.02 ─ 15
3 Waveform Setup
3.1 Connecting Probes
Shock hazard 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.
1. Connect the probe(s) to the channel input(s) at the top of the instrument.
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. 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".
The probe's attenuation factor is indicated on the probe.
No attenuation with AC coupling:
If AC coupling is set, the attenuation of passive probes has no effect, and voltage 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 mul-
tiply the V/A-value of the resistor by the attenuation of the probe. For example, if a
1 resistor and a 10:1 probe is used, 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