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What is the Iron Check feature on the ACE 300?
Garrett ACE 300 Metal Detector with 7x10 Coil
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Open May 20, 2026 - 04:25 PM
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Answer
May 20, 2026 - 04:25 PM
Iron Check lights up the iron pixels on the ACE 300's discrimination pattern display even when the audio has been notched out. This lets you see at a glance if a high-tone signal is a clean target or a wraparound from a deep iron mass like a horseshoe or square nail. On relic ground where iron trash is heavy, we watch the Iron Check graphic while we sweep and dig anything with a non-iron pixel mixed in. The feature is most useful in Custom mode where you have full control over the notch pattern.
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Garrett ACE 300 Metal Detector with 7x10 Coil
The Garrett ACE 300 is a single-frequency VLF metal detector built around an adjustable 8 kHz operating frequency, a 0 to 99 digital target ID, and four-segment iron discrimination that lets us notch out bottle caps and rusted nails while keeping nickels, small jewelry, and brass buttons in the audi...
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