Minelab x-terra 305 Instruction Manual page 34

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Pattern 2
Accepts signals from most nonferrous targets
(X‑TERRA 305 IDs: 16, 20, 24, 28, 32, 36, 40, 44).
(X‑TERRA 505 IDs: 9, 12, 21, 24, 27, 30, 33, 36, 39,
42, 45, 48).
Rejects those from ferrous objects and some
nonferrous targets, e.g. aluminium foil and pull
tabs (X‑TERRA 305 IDs: –4, 4, 8, 12). (X‑TERRA 505
IDs: –9, –6, –3, 3, 6, 15, 18).
Pattern 3*
Accepts signals from most nonferrous targets
(X‑TERRA 505 IDs: –3, 3, 6, 9, 12, 15, 18, 21, 24, 27,
30, 33, 36, 39, 42, 45, 48).
Rejects those from ferrous objects and some
nonferrous targets, e.g. aluminium foil and pull
tabs (X‑TERRA 505 IDs: –9, –6).