It is a standalone system.
It works just like the noise canceling system in a luxury automobile or headphones.
The ACDS knows what normal noises are with the scope; for example the sound of the Servocat tracking or slewing. Random noises like the 17hz sound of wind blowing on the scope, are canceled by the microprocessor creating the exact opposite waveform.
If you tap the scope, the image remains unmoved. If someone near you jumps off the last step of their ladder, your high power image does not turn into a "-" sign.
Now of course you are going to ask if you need this option at all. A year ago some guys who do vibration analysis for the auto companies tested our scopes compared to a dozen other brands. Our damping performance at the tested frequencies was already several times lower. So we are not going to say that you absolutely need the ACDS, but it will be an interesting option when it becomes available.
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