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For example, to get a stable trigger on the repetitive pulse burst as shown in the

figure below, set the holdoff time to be greater than t1 but less than t2.

Figure 8.2 Trigger Holdoff

Click or tap the trigger information label (as shown in the figure below) at the top of

the screen or press the front-panel

key to open the "Trigger" menu. Click or

tap the input field of Holdoff to set the holdoff time (the holdoff to this time when

the waveforms are stably triggered) with the pop-up numeric keypad. You can also

use the corresponding multipurpose knob to set the value. The adjustable range of

the holdoff time is from 8 ns (default) to 10 s.

8.6 Noise Rejection

Noise rejection can reject the high frequency noise in the signal and reduce the

possibility of triggering the oscilloscope by mistake.

Click or tap the trigger information label (as shown in the figure below) or press the

front-panel key to open the "Trigger" menu. Click or tap the Noise Reject

on/off switch to enable or disable the noise rejection function.

8.7 Trigger Type

This series oscilloscope provides the following trigger types.

Triggering the Oscilloscope

Rigol DHO924 User Manual

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