White’s Electronics Prizm Combined - Manual (Page 14)

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Prizm™ II • III • IV • V
Prizm™ IV
In.addition.to.the.features.of.the.Prizm™.II.and.Prizm™.III.the.
Prizm™ IV.has.additional.features.-
1...Tone.I.D..(Tone.Identification).is.engaged.when.the......Tone.
I.D..note.is.displayed...Press.TONE.I.D..to.disable/enable...At.
minimum.DISC,.three.different.tones.now.indicate.the.display.
categories,.“large”.Iron.“Low.Tone”,.Foil.&.TAB.“Medium.Tone”,.
ALL.coins.“High.Tone”...This.Tone.I.D..feature.makes.the.opera-
tor.immediately.aware.of.the.likely.category.of.the.metal.item.
without.looking.at.the.display...Display.categories.selected.for.
rejection.with.the.DISC.control.either.produce.no.beep.at.all.
or.a.broken.inconsistent.beep...In.addition,.a.very.low.tone.in-
dicates.metal.overload.when.too.close.to.a.large.metal.object...
Prizm™ IV display with three tones indicated for
three categories.