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

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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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Contents PicoScope PC Oscilloscope Software Table of Contents How to ReferenceIndex How to use this manual Whats new in this version? WelcomeVersion 6.0 update Version 6.0 updateNew features Higher performanceHow to use PicoScope IntroductionLegal statement How to use this manual Contact informationSystem requirements Using PicoScope for the first time Using PicoScope for the first timeIt didnt do what I expected PicoScope and oscilloscope primer Oscilloscope basicsPCO basics PicoScope basicsPicoScope and oscilloscope primer Capture window To open a new capture windowTo arrange the scope views within the capture window Custom probes Frequency legendMeasurements table To edit a measurementTo change the width of a measurement column Procedure How to choose the oversampling factorOversampling Post-trigger arrow Ruler legendScope view Cursor position tool tipTime rulers Ruler tool tipTrigger marker Signal rulers Ruler tooltipWindows, views and viewports Upgrading from PicoScopeMenus File menu MenusSettings files *.pssettings Save As dialogData files *.psdata Menus Text Tab delimited *.txt Bitmap Image *.bmpGIF Image *.gif PNG Image *.pngEdit menu Help menu Measurements menu Add / Edit Measurement dialog Tools menu Custom Probes dialogCustom Probe wizard Adding a new probe to your libraryHow to use the dialog Create New Custom Probe dialogEdit Existing Custom Probe dialog Probe Output Units dialog Scaling Method dialog Editing the Look-up Table Import/ExportFinishing What is Auto-ranging? Range Management dialogManual Ranges Setup dialog How to use a new custom rangeAutomatic mode Fixed range modeWhat is an input range? What is a scaled range?PicoScope 6 User Guide Range utilisation bar Custom Probe Identification dialog Custom Probe Finished dialog Where to find it Preferences dialogGeneral dialog Performance dialog How to use it Toolbar menuWindow menu Toolbars ToolbarsCustomizing Buffer Navigation toolbar Capture Windows toolbarWaveform buffer Demo mode Open Device dialogChannel Setup toolbar Probe Drop-Down menuCustomization dialog Customization Toolbars Customization Commands Customization Options Options tab of the Customization dialog ToolbarsHelp toolbar Measurements toolbarMeasurements toolbar controls the measurements table Add MeasurementScope Setup toolbar Standard controlsAdditional controls Signal Generator toolbar Signal Generator dialogLeft Signal generator dialog for the PicoScope 3206 PicoScope 6 User Guide How to use it Start / Stop toolbar Trigger Mode Triggering toolbarTechnical Note Zooming and Scrolling toolbar Demo Signals toolbar Demo Signals dialogHow to How toHow to change to a different scope device How to use rulers to measure a signalUsing a single ruler for signal-to-ground measurements Using two rulers for differential measurementsHow to measure a time difference How to move a viewReference Measurement typesReference Peak To Peak The difference between maximum and minimumTrigger timing part Tip Keyboard shortcuts Glossary Index Index PicoScope 6 User Guide PSW044-2.0

PSW044-2.0 specifications

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