Independently researched Settings Guide
Minelab Vanquish 540 Target ID Settings
Vanquish 540 uses the older 50-position -9 to 40 target-ID scale with 25 discrimination segments. IDs are evidence, not object identification.
Bottom line
Build a local -9–40 chart and save only tested rejection in Custom
Stabilize sensitivity, scan regional coins and common trash in the selected mode, and record ranges from two directions. Use All Metal to expose nearby iron before rejecting an uncertain response.
Field guide
Starting points and hard limits
| Situation | Baseline | Action | Caution |
|---|---|---|---|
| Ferrous response | -9 to 0 region | Use All Metal check | Deep coins may flash low |
| Low conductors | Low positive IDs | Jewelry/foil overlap | Never assume trash |
| Mid conductors | Middle positive IDs | Tabs, rings and coins overlap | Record ranges |
| High conductors | Upper positive IDs | Copper/silver often appear here | Aluminum can imitate |
Method
Use a controlled workflow
Confirm the scale
Vanquish 340/440/540 use 50 IDs, unlike the newer 60 Series.
Calibrate locally
Test actual coins, foil, tabs and caps in your soil.
Cross-check iron
Use All Metal and rotate 90 degrees on clipped signals.
Save Custom last
Store only rejection proven safe for the site goal.
Decision analysis
What actually changes the result
The displayed number depends on signal quality. Depth, angle, corrosion, mineralization and adjacent metal can spread an otherwise familiar coin.
Twenty-five notch segments are broader than the 50 IDs. Rejecting one segment can silence more than one displayed number and every object inside that band.
Do not use a Vanquish 560 chart. The newer 60 Series uses 119 positions, so its numbers are not transferable.
FAQ
Seven questions specific to this page
What Target ID range does Vanquish 540 use?
It uses 50 positions from -9 through 40.
Are -9 through 0 always iron?
They are the ferrous region, but weak or masked non-ferrous targets can flash into it.
Can I copy a Vanquish 560 target chart?
No. The 560 uses a different 119-position scale.
Why are there 25 notch segments but 50 IDs?
Each discrimination segment covers a pair of displayed target-ID positions.
Does a stable high number guarantee silver?
No. Other conductive metal, especially aluminum and copper, can respond similarly.
Which mode gives the most reliable IDs?
The mode that is stable for the site; mode processing and target conditions still influence numbers.
How should I create a usable ID chart?
Log local coins and trash by range, mode, depth and orientation rather than copying single air-test values.
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Use evidence, not copied numbers
Record the detector, firmware, mode, coil and conditions behind every useful result.
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