Use this audio file to test your scope connection.
Free download - get HD .wav files here: https://bit.ly/OscMusic
Clarity: look for crisp edges on square at all frequences.
DC Coupling: at around :11 the shapes should begin moving around the screen. If not, (i.e. if it stays centered,) you've got an AC coupled audio connection.
Watch video Oscilloscope Music Calibration / Test File online, duration hours minute second in high quality that is uploaded to the channel Chris Allen 04 March 2019. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 22,466 times and liked it 420 visitors.