Garrett ACE 400 Metal Detector Instruction Manual Digital Download

The Garrett ACE 400 instruction manual is the factory owner's manual for the ACE 400, offered here as a free digital download. It is the file to grab if you bought a used ACE 400 with no paperwork, left the printed copy at home, or want the settings reference on your phone while you are standing over a signal you cannot call.

Who Needs This Manual

New Garrett ACE 400 metal detectors ship with a printed owner's manual in the box, so if yours arrived sealed you already have this. The digital edition earns its place in three situations: a secondhand machine that came without documentation, a manual that has been soaked or lost, and field use, where a PDF on a phone beats a paper booklet in a wet jacket pocket. If you own a different machine in the line, you want a different file. Our digital manual collection lists a separate download for each ACE model.

What the Manual Covers

• Control panel layout and quick start
• Box contents and detector assembly
• Power on, basic controls and target information
• Audio features and selecting discrimination patterns
• Sensitivity and notch discrimination
• Iron masking and Iron Audio
• Pinpointing
• Bench tests and hunting tips
• Troubleshooting and battery replacement
• Metal detecting code of ethics and cautions
• Caring for your detector
• Warranty, service and accessories

The Iron Audio and notch discrimination sections are the ones worth reading twice. Iron Audio is what separates the ACE 400 from the rest of the ACE line, and the manual walks through the setting changes that make a bottle cap announce itself before you cut a plug. For field context rather than the factory explanation, the write-up on the Garrett ACE 400 metal detector page covers how our team runs the machine in trashy parks and farm fields.

Languages and How the Download Works

Choose your language before adding the manual to the cart. Once the order is complete the download link appears on the confirmation page, in your confirmation email, and in your account, so you can save the PDF to a phone, tablet or laptop. There is no charge and no shipping step.

Garrett ACE 400 Specifications Referenced in the Manual

• Operating Frequency: 10 kHz, adjustable
• Search Coil: 8.5 in x 11 in DD PROformance, waterproof and submersible
• Digital Target ID: 0 to 99 scale
• Search Modes: 5 plus Pinpoint
• Iron Discrimination: Four-segment adjustable, with Iron Audio
• Weight: 2.9 lbs (1.32 kg) with batteries
• Length: 42 in to 51 in, adjustable
• Batteries: 4 AA, included with the detector
• Audio: PWM with 1/4 in headphone jack
• Warranty: 3 year limited parts and labor

Coils, covers and stem hardware for the machine are listed in the Garrett ACE 400 collection, which is the quickest way to confirm a part fits before ordering.

Why Buy from Serious Detecting

We are an authorized Garrett dealer, and our team runs Garrett machines in the field, so if the manual leaves you stuck on a setting you can call and talk it through with someone who has used the machine. Every new detector we sell carries the full 3 year Garrett warranty, and our 30 day return policy and price match apply across the store. Browse the rest of our Garrett metal detectors, or the wider metal detecting books and reference material collection for guides that go past the factory manual.