E255 - Mailbag: Principles and Practices of Oscilloscope Diagnostics [E255]

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Oscilloscopes are becoming more powerful, accessible, and common in repair shops—but choosing the right scope is only part of the equation. You also need to understand how your particular scope captures, stores, and displays its data.

Matt Fanslow answers listener questions about automotive oscilloscopes, including the new eight-channel PicoScope, how many channels a shop actually needs, and whether beginners should start with an inexpensive scope or jump directly into a more capable platform.

He also explains the distinctly different way Snap-on scopes handle their sample buffer, and why mi...