Garrett ACE 400i Manual

This is the official user manual for the Garrett ACE 400i — assembly, settings, modes, ground balance, care and troubleshooting, straight from Garrett. No sign-up, no email gate: just the PDF.

© Garrett. Hosted for convenience; always check the manufacturer's site for the latest revision.

Manuals tell you what the buttons do — not whether the machine is any good. For depth tests, UK soil performance and what we'd actually buy, read our full Garrett ACE 400i review, or see how it stacks up against the best metal detector picks for UK detecting.