Rohde & Schwarz MXO44-245 Oscilloscope

User Manual - Page 129

For MXO44-245.

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MXO44-245 photo
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Acquisition and waveform setup
R&S
®
MXO 4 Series
129User Manual 1335.5337.02 ─ 05
The vertical scaling and measured values are multiplied by this factor so that the dis-
played values are equal to the actual measured signal values.
Remote command:
PROBe<ch>:SETup:GAIN:AUTO? on page 452
PROBe<ch>:SETup:GAIN:MANual on page 452
DeGauss
Demagnetizes the core if it has been magnetized by switching the power on and off, or
by an excessive input. Always carry out demagnetizing before measurement.
The demagnetizing process takes about one second. During demagnetizing, a demag-
netizing waveform is displayed.
Demagnetizing is done automatically when R&S RT-ZCxxB is connected to the oscillo-
scope, or when "AutoZero" is performed.
Remote command:
PROBe<ch>:SETup:DEGauss on page 452
Zero adjust
Zero adjust corrects the effect of an offset caused by temperature drift, and compen-
sates for the remanence. The setting is only available if DC coupling is set.
To set the waveform to zero level by the instrument, use "AutoZero". The detected
value is displayed.
Alternatively, you can adjust the value manually until the waveform is set to zero level.
Make sure to demagnetize the probe before zero adjustment.
The value is given in percent of the maximum range, which is internally defined. The
actual setup range depends on the temperature drift, the measured current and other
variables, and it can change over time. If you measure high currents, the probe core
magnetizes, which impairs the measurement results. Therefore, repeat "AutoZero"
before the measurement.
Remote command:
PROBe<ch>:SETup:OFFSet:ZADJust on page 453
Save to probe
Saves the zero adjust value in the probe box. If you connect the probe to another
channel or to another Rohde & Schwarz oscilloscope, the value is read out again, and
you can use the probe without further adjustment.
Remote command:
PROBe<ch>:SETup:OFFSet:STPRobe on page 453
6.4.5 Probe info
The dialog shows general information on the connected probe, for example, type,
serial number, and part number. Below, electrical characteristics are shown, like band-
width, attenuation, input capacitance and impedance, voltage and DC offset range.
For a specification of the probe parameters, refer to the data sheet.
Probes
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