Rigol DS1000D Manuel d'utilisateur télécharger pdf (Page 77)

RIGOL

User’s Guide for DS1000E, DS1000D Series

2-47

Duration Trigger (Only for DS1000D Series)

Duration Trigger Mode: Trigger in appointed time when code terms are satisfied.

Press Trigger MENU→Mode→Duration to display the duration trigger menu as

follows.

Figure 2- 61 Table 2- 37 The Duration Trigger Menu (Page 1/2)

Menu Settings Comments

Select D15-D0 Choose digital channel for Duration Trigger

Code

High

Low

Ignore

Qualifier

Set time limit terms

Figure 2- 62 Table 2- 38 The Duration Trigger Menu (Page 2/2)

Menu Settings Comments

Time

<Time

Setting>

Set duration and limit symbol time

Sweep

Auto

Normal

Single

Acquire waveform even no trigger occurred

Acquire waveform when trigger occurred

When trigger occurs, acquire one waveform

and then stop

Set Up To go to set up menu, see table 2-40

Key Points:

1. H (High): Logic high: voltage is higher than threshold setting.

2. L (Low): Logic low: voltage is lower than threshold setting.

3. X (Ignore): Don’t care. If all the channels are ignored, the oscilloscope won’t

be triggered.

4. Qualifier: A timer begins when code terms are satisfied. Duration trigger

occurred in the time set by the qualifier.

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 165 166

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Rigol DS1000D Manuel d'utilisateur Page 77