The Icon is a do-everything microphone that feels expensive for beginners ... standby mode), to green to denote it’s recording to red if there is a problem with a recording.

Typically, this looks like a small microphone icon or a circle with a slash through it. The button is usually on the top of your Echo and easy to spot. Press it, and see if the red ring disappears.

Conversely, the microphone icon in the indicator around the knob will glow red to indicate that the microphone is muted. When you press the knob with headphones or earphones plugged into the ...