Explains how to adjust the audio threshold and use "Options" to fine-tune search sensitivity. Access the operator's instructions via Garrett's support page . General Getting Started Tips
Verify the device is working by waving a known metal object (like a coin or ring) in front of the coil while it is held in the air. Treasure Sensor 4000 Manual
Includes sections on assembly, battery installation, quick-start demonstrations, and operation/controls. View the full guide on Scribd or ManyManuals . Garrett Coinmaster 4000/D Series 2 Manual Explains how to adjust the audio threshold and
Generally, a low tone indicates iron or junk, a mid-tone suggests aluminum (like pull tabs), and a high tone signals coins, jewelry, or silver. and a high tone signals coins
For more specific brand support, you can browse manual archives at MetalDetector.com or Minelab .