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PicoScope 6 User Guide

7.10Triggering toolbar

The Triggering toolbar tells the scope device in the selected capture window when to

start capturing data.

Trigger Mode.

None: PicoScope acquires waveforms repeatedly without waiting for specific events.

Auto: PicoScope tries to wait for a trigger event before displaying data. If there is no trigger event within a specified time, it displays data anyway. It repeats this process until you click the Stop button 56. "Auto" mode does not set up the trigger level automatically; you still need to do this yourself.

Repeat: PicoScope waits for a trigger event before displaying data; but if there is no trigger event, it displays nothing. It repeats this process until you click the Stop button 56.

Single: PicoScope waits once for a trigger event, then stops sampling. To repeat a single trigger, click the Start button 56.

Trigger Source. This is the channel that PicoScope monitors for the trigger 68 condition.

Rising Edge. Click to trigger on the rising edge of the waveform.

Falling Edge. Click to trigger on the falling edge of the waveform.

Trigger Level. Sets the trigger 68 level. You can also set the trigger level by dragging the trigger marker 16 up or down on the screen.

Pre-trigger Time (0% to 100%). This parameter controls how much of the waveform appears before the trigger point. It defaults to 50%, which puts the trigger marker 16 is in the middle of the screen. You can also control this parameter by dragging the trigger marker 16 to the left or right.

Post-trigger Delay. Click this button to toggle the Post-trigger

Delay control (see next item).

Post-trigger Delay. The post-trigger delay is the time that PicoScope waits after the trigger point before sampling. You can also modify this parameter by dragging the trigger marker 16 while the Post-trigger Delay button is enabled. As you drag the marker, you will see the post-trigger arrow 13 displayed briefly. For this control to have an effect, you must first make sure that the Post- trigger Delay button is enabled.

Technical Note

See the reference topic "Trigger Timing

65" for information on how the Pre-trigger

Time and Post-trigger Delay controls interact.

PSW044-2.0

Copyright 2006 Pico Technology Limited. All rights reserved.

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Pico Macom PSW044-2.0 manual Triggering toolbar, Trigger Mode, Technical Note

PSW044-2.0 specifications

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