White’s Electronics Prizm Combined - Manual (Page 15)

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Prizm™ II • III • IV * V
2...Smart.Notch...Press.Smart.Notch...With.DISC.control.set.at.
FOIL.or.below,.pull.tabs.are.eliminated...With.DISC.control.at.
Nickels.or.above,.Nickels.are.accepted...Smart.Notch.either.
eliminates.TAB.or.accepts.Nickels...A.missing.or.added.DISC.
symbol.indicates.Smart.Notch.is.engaged.
The.DISC.categories.are.linear.in.that.as.DISC.is.increased.first.
IRON.is.rejected,.then.FOIL,.then.5.Cent,.etc..from.left.to.right.
based.on.these.metals.electrical.properties.
However,.one.may.wish.to.reject.a.category.higher.on.the.
scale.while.accepting.one.lower.on.the.scale...Prior.to.Prizm™,.
such.a.feature.was.only.available.on.high-end.metal.detectors.
With.the.Prizm™.IV.&.V,.the.two.most.common.needs.for.such.............
rejection.are.available.automatically.with.the.Smart.Notch.
feature.
Once.Smart.Notch.is.pressed,.the.Prizm™.IV.automatically.
selects.the.notch.appropriate.for.the.current.DISC.setting...If.
DISC.is.increased.to.Nickels.or.above,.the.Nickel.category.is.
accepted.even.if.the.DISC.is.set.high.enough.to.reject.the.TAB.
category...At.lower.DISC.setting,.Foil.or.below,.the.TAB..........cat-
egory.is.rejected.even.though.the.DISC.setting.isn’t.set.high.
enough.to.reject.TABS...Increasing.or.decreasing.the.DISC.
control..automatically.switches.between.these.two.different.
Smart.Notch.options.
Prizm™ IV & V