BONANZA metal detector Bedienungsanleitung PDF herunterladen (Seite 8)

Search Method

With the BONANZA set up and ready, the coil should be swung smoothly

from side to side, a little above the ground surface. It is not effective to

‘scrub’ the coil on the surface of the ground (this can also damage the coil

and places strain on the stem assembly).

Suggested operating heights for the standard coils are:

13” DD coil: 2” (50 mm) minimum above ground surface

10” DD coil: 1½” (40 mm) minimum above ground surface

7”DD coil; Any distance.

Make sure that the coil is swung evenly over and parallel to the ground

surface and that the coil does not rise at each end of the swing. Cover the

ground in smooth, parallel swings to ensure maximum detection coverage.

In All-Metal Mode, both ferrous and non-ferrous targets will give the same

audio response by a sudden increase in the intensity of the threshold tone.

A strong response indicates a large or relatively shallow target and a weak

response indicates a small or deep target. Audio signal in All-Metal Mode

can not be analysed with BONANZA.

All-Metal Mode is achieved with BONANZA by turning the Discrimination

control to 0.

In Discrimination Mode (when the Discrimination control is set on number

greater than 0), good non-ferrous targets will give a clear, well-defined,

two-way, repeatable audio signal. Ferrous targets will give a ‘clicking’

audio response or an indistinct and erratic response.

Pinpointing is by simply X-ing the coil across the signal. The position

where the signals are strongest below the coil centre indicates the target

position. As with all detectors, when targets are of complex shape or are

located at an angle in the soil, pin-pointing may not be entirely accurate so

it is suggested that, when digging, the user allow space to avoid possible

damage to finds.

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BONANZA metal detector Bedienungsanleitung Seite 8