RIGOL  Chapter 2 Vertical System Setting 
2-10  MSO4000/DS4000 User’s Guide 
connectors according to the probe calibration prompt message. 
4)  Adjust the distance between the RP7150 probe tips. Connect the positive 
probe tip to the signal at the moddile of the calibration board and connect 
the negative probe tip to both sides of the signal line.   
5)  Press OK and the oscilloscope starts to calibrate the probe.  
 
Note: Please connect the probe calibration signal to the specified channel 
according to the probe calibration prompt message. If the active probe is 
connected to CH1, CH3 or CH4, the probe calibration signal should be connected 
to CH2 via the clibration board. If the active probe is connected to CH2, the 
probe calibration signal should be connected to CH1 via the calibration board. 
 
5.  Probe Info 
Press Probe Info to view information about the probe currently connected, 
such as the manufacturer, model, serial number and the date of last calibration.  
 
6.  Bias Voltage 
The oscilloscope provides the bias voltage adjustment function for active probes. 
This function is used to adjust the signal under test that exceeds the input 
dynamic range of the probe amplifier to an appropriate range to ensure the 
integrity of the signal under test. Press Bias Voltage and turn the 
multi-function knob 
 to adjust the DC bias voltage. The range is from -12 V 
to +12 V. 
 
 
 
 
 
 
 
 
 
 
 
 
 
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