Product Manual

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Whycansomepeoplehearit?
Soundsaregenerallyaudibletothehumaneariftheirfrequency(numberofvibrations
persecond)liesbetween20and18,000vibrationspersecond,buttherangevaries
considerablywiththeindividual.However,somemammalscanhearwellabovethis
(batscanhearover
100,000vibrationspersecond).TheYardGardoperatesat15,000
to25,000vibrationspersecond.
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HowdoIchangethelightbulbinthemotionsensor?
Youcan’t.Youwillhavetopurchaseanewunitifitispastthe6monthwarranty.
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Canmydog/cathearthis?
Yes,but
itwillnotharmthemorbotherthemifitisnotfacingthem.
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HowdoIknowit’sworking?
Inthe“ContACOnly”setting,theredlightshouldbeon.Inthe“MSACorBattery”
setting,theredlightshouldcomeonwhensomethingpassesinfront
oftheunit.Also,
theunitshouldmakeachirpingnoisewhenturnedonand/orwhentheredlight(see
above)firstcomeson.
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Whydoesitmakeachirpingnoise‐Ithoughtitwassupposedtobesilenttohumans?
Thechirpingsoundistheunitpoweringuporwhen
youusethemotionsensoreither
withbatteriesorelectric.Itneedstotravelthroughtheaudiblesoundlevelsbeforeit
reachestheultrasonicfrequency.Thechirpisnormal.
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Acoupleofhints‐
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1. Turningthefrequencydialallthewayclockwise(11o’clock)isthestrongest
setting,lowestfrequency.
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2. Thelowestfrequencygivesyouthemostcoverageontheult r asonics….does
thatmeanit’s“stronger”?
Hardtosaywhatismostintensetoananimal.11O'clockisthelowestfrequency,
inhumanrangetosome.It'sprobablybeststrengthlevelforallproblems.
3. ConstantOnisa
moreeffectivedeterrent.
4. Theunitworksonalineofsight.
5. Thesoundcannotpenetratesolidobjects.