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RIGOL Chapter 7 Digital Channel
7-8 MSO2000A/DS2000A User’s Guide
set a label.
Press I nput to enter the label input interface to input a label manually. For the
input method, refer to the introduction in “
Channel Label”.
Digital Channel Delay Calibration
When using the oscilloscope for actual measurement, the transmission delay of the
probe cable may cause relatively larger error (zero offset). Zero offset is defined as
the offset of the crossing point of the waveform and threshold level line relative to
the trigger position. For MSO2000A, users can set a delay time to calibrate the zero
offset of the corresponding channel.
Press LA Delay-Cal and rotate to set the delay calibration time. The range is
from -100 ns to 100 ns.
Note: This parameter is related to the instrument model and the current horizontal
time base. The larger the horizontal time base is, the larger the setting step will be.
Tak e MSO2302A as an example, the step values under different horizontal time bases
are listed in Tab l e 7-1.
Tab l e 7-1 Relationship between Delay Calibration Time Step and Time Base
Horizontal Time Base Delay Calibration Time Step
1 ns 20 ps
2 ns 40 ps
5 ns 100 ps
10 ns 200 ps
20 ns 400 ps
50 ns 1 ns
100 ns 2 ns
200 ns 4 ns
500 ns 10 ns
1 us 20 ns
2 us 40 ns
5 us/10 us 100 ns
> 10 us Fixed at 0.00 s and can not be set
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