“MODE” Button:
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Measurement mode change
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Thickness increase during calibration
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Two-point calibration on-off
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6-point calibration for ferrous metals
“PWR” Button:
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Device on-off
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Backlight on-off
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Next calibration point
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Save calibration
“UNIT” Button:
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Change of display units
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Thickness decrease during calibration
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Activation of zero correction
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Zero and two-point calibration reset
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6-point calibration for non-ferrous metals