Rigol DS1000D User Manual download pdf (Page 64)

RIGOL

User’s Guide for DS1000E, DS1000D Series

2-34

To Set up the Trigger System

The trigger determines when the oscilloscope starts to acquire data and display a

waveform. When a trigger is set up properly, it can convert unstable displays or

blank screens into meaningful waveforms.

When the oscilloscope starts to acquire a waveform, it collects enough data so that it

can draw the waveform to the left of the trigger point. The oscilloscope continues to

acquire data while waiting for the trigger condition to occur. After it detects a trigger,

the oscilloscope continues to acquire enough data so that it can draw the waveform

to the right of the trigger point.

The trigger control area on the front panel includes a knob and three buttons:

: The knob that set the trigger level; press the knob and the level will

reset to zero.

50%: The instant execute button setting the trigger level to the vertical

midpoint between the peaks of the trigger signal

FORCE: Force to create a trigger signal and the function is mainly used in

Normal and Single mode

MENU: The button that activates the trigger controls menu.

Press the Trigger MENU key to enter the trigger system setting interface.

Figure 2- 41

Trigger controls interface

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Rigol DS1000D User Manual Page 64