Data AcQuisition And Real-Time AnalysisScope - Spectrum - Spectrogram - Signal Generator
Software for Windows
Science with your Sound Card!
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No Sound Output
Make sure speakers or headphones are fully plugged in.
Make sure they are plugged into the Generator device, as described at the top of the Generator dialog. If you have more than one output device, you can change the selection in the Start Preferences dialog. (But note that the change won't take effect until the next Daqarta session.)
Open the Vol or dB Slider dialog and make sure the volume is up near the top for both Wave and Master (if Vol dialog), or dB is near the top (if dB dialog).
In Windows XP and earlier systems, right-click the Windows Mixer (the small speaker icon in the system tray) and select Open Volume Control. Check to make sure Master and Wave are unmuted.
In Vista or Windows 7, 8, or 10, right-click the speaker icon and select Volume Mixer. There will be a separate slider and mute button for Daqarta, as well as Speakers. Check that these are not muted or set to minimum.
Check also the sound card manufacturer's own custom mixer controls, which are usually accessed by a system tray icon. Particularly in Vista/7/8/10, these may be much more comprehensive than those in the Volume Mixer.
Check to see if the card is multi-channel (surround sound). If so, you may need to unmute and/or raise the volume on the Front slider (or whichever output you have your speakers or headphones connected to) in the Windows Mixer, or in the custom mixer for your card. Daqarta does not control surround sliders, but it preserves all settings for the entire sound card in the Daqarta0.MIX file, and will use them in future Daqarta sessions. (Each time you exit Daqarta, all settings will be restored to the way they were before you started that session.)
See also Troubleshooting
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