Whites-electronics Spectrum XLT User Manual download pdf (Page 41)

Chapter 5 XLT

Pro Options

19. Bottlecap Reject

Adjusts how strongly the instrument rejects or

breaks up on iron.

Most starting programs use the minimum setting.

As larger numbers are selected, more bias rejection

against iron occurs.

The advantage of higher BOTTLECAP REJECT

settings is that in high-trash areas more decisive

iron rejection occurs. Trash becomes easier to

identify by the broken sounds they produce.

The disadvantage of a high Bottlecap Rejection

setting is if an iron target is close to a good metal,

the high degree of bias against iron may cause the

detector to cancel both responses. Another disad-

vantage is that all targets, iron and non-iron, tend to

start sounding more broken at high levels of

BOTTLECAP REJECT. The operator needs to

fine tune BOTTLECAP REJECT according to their

preferences and the conditions being searched.

Some ground conditions make it difficult for the

instrument to recognize iron. BOTTLECAP RE-

JECT allows compensation for these areas.

BOTTLECAP REJECT

MIN MAX

(Discrimination section)

Tips - If having difficulties

recognizing the broken

sounds of iron, try increas-

ing BOTTLECAP REJECT.

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Whites-electronics Spectrum XLT User Manual Page 41