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  4. How do I start an acquisition using the biosignalsplux trigger button?

How do I start an acquisition using the biosignalsplux trigger button?

In this article, you’ll learn how to use the biosignalsplux Trigger Button (Handheld Switch) to start a real-time acquisition in OpenSignals (r)evolution.

If you’re looking for instructions on how to trigger acquisition onto the device’s internal memory, see additional instructions here.

Getting Started

For this setup you need the following products:

This tutorial also works with the biosignalsplux Foot Switch as an alternative to the Trigger Button.

Step 1: Setting up your Hardware

Connect the Trigger Button (Handheld Switch) to the accessory port of your 8-channel biosignalsplux device.

Accessory Port on the 8-Channel biosignalsplux Hub

Connect your sensor(s) to any of the available sensor ports (1 to 8).

Step 2: Setting up your acquisition in OpenSignals

Enter the OpenSignals device manager.

Access the device manager in OpenSignals (r)evolution
Access the device manager in OpenSignals (r)evolution

In the devie manager, click on the device panel of your device to setup your device.

To configure your acquisition to start when the Trigger Button is pressed, activate the TRIGGER option (1) in your device’s panel (the circle must turn blue).

Next, click on READ SENSORS (2) for OpenSignals to set up your sensors correctly.

Once ready, ensure your device is set to ENABLED for this acquisition (the ENABLED button must be blue).

Step 3: Start your acquisition

Enter the OpenSignals acquisition mode.

Red record button of the OpenSignals interface starts an acquisition

OpenSignals will now connect to your device, preparing it for acquisition. During this process, OpenSignals displays a Starting the acquisition… message.

Do not press the trigger button during this process; doing so will not initiate the acquisition.

Once successfully connected to your device, OpenSignals enters the acquisition mode in which it remains static until a trigger input is received, as shown here:

OpenSignals in a static acquisition mode waiting to receive a trigger input.

You can now press the Trigger Button at any time to start the acquisition.

Updated on 28 de March de 2023

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