Rigol DS1104Z-S-PLUS DS1000Z user manual

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Chapter 2 To Set the Vertical System RIGOL

DS1000Z User Guide 2-7

Delay Calibration of the Analog Channel

When using an oscilloscope for actual measurement, the transmission delay of the

probe cable may bring relatively greater error (zero offset). DS1000Z supports user

to set a delay time to calibrate the zero offset of the corresponding channel. Zero

offset is defined as the offset of the crossing point of the waveform and trigger level

line relative to the trigger position, as shown in the figure below.

Figure 2-1 Zero Offset

Press CH1  Delay-Cal and use to set the desired delay time. The range

available is from -100 ns to 100 ns. Pressing down the multifunction knob will

reset the delay time to 0.00 s.

Note: This parameter is related to the instrument model and the current horizontal

time base setting. The larger the horizontal time base is, the larger the setting step

will be. Take DS1104Z-S Plus as an example. The step values under different

horizontal time base are as shown in the table below.

Table 2-2 Relation between delay calibration time step and horizontal time base

Horizontal Time Base

Delay Calibration Time Step

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 μs to 10 μs

20 ns

Note: When the horizontal time base is equal to or greater than 10 μs, the delay

calibration time cannot be adjusted.

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Rigol DS1104Z-S-PLUS DS1104Z-S+ oscilloscope