Why Does My Garrett AT Max Have a Constant Tone When Turning on?Updated a year ago
Question: Why Does My Garrett AT Max Have a Constant Tone When Turning on?
Answer: Threshold is the constant background “hum” that is added to the target response. A Threshold of zero adds no audio bias. Select a Threshold setting based on personal preference. However, to maximize the ability to hear faint signals, it is recommended to operate with a faint, yet barely audible threshold (i.e. faint positive audio bias). The louder the surrounding environment, the higher you may need to set the Threshold. Conversely, there may be times you wish to operate with a negative or silent threshold, for example, in order to reduce detector chatter, etc
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