BONANZA metal detector, Руководство пользователя

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6
Controls
The BONANZA has three rotary control knobs and two toggle switches
located on the control box.
Discrimination
This knob sets the level of the discrimination. Rotating the Discrimination
knob clockwise (from 0 to 10) will INCREASE the level so that Iron is
increasingly not detected (but high settings will result in the loss of
potentially good targets). Generally, the discrimination level should be set
as low as is possible; to avoid masking the smallest and deepest desired
targets.
Ground Minerals, Hot Rocks toggle switch
This switch is used to set the responses of the BONANZA to suit the soil
conditions on any given site.