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TROUBLESHOOTING THE HEART RATE TRANSMITTER

Ensure Proper Placement and Alignment of Transmitter on Chest

Ifyouarenotgettingagoodconnection,youmaybewearingthetransmittertoohighortoolowonthechest.

Adjustthepositiononthechesttoseeiftheconnectionchangestosatisfactoryresults.Youmaybeexperiencingissues

withconnectiondueinterferencewithworkoutshirts,undergarmentsorsportsbras.Ensurethatthetransmitteris100%

in contact with the skin and not on top of any clothing.

Cross-talk

Exercisingincloseproximitytootherpeopleusingheartratemonitorsmaycauseyourwatchtopickupsignalsfromcheststraps

otherthanyourown.ThisisknownasCross-talk.ToavoidproblemsassociatedwithCross-talkitisrecommendedthatyouseparate

yourself from others wearing heart rate monitors by a minimum of 3 feet or 1 meter in all directions.

Transmission Range

Theheartratemonitorsystemhasaneffectiverangeof28-30inches(.75meters).Ifthemonitorisseparatedfromthetransmitter

strapbyagreaterdistancethanthis,youmaynotbeabletoreceiveaheartratesignal.

Avoiding Environmental Interference with the Heart Rate Transmitter.

Analogheartratemonitorsfunctionusingaverylowtransmissionfrequency.Becauseofthistheyare susceptible to interference from

avarietyofelectromagneticandmicrowavesources.High-tensionpowerline,trafclightcontrols,homeandautomotiveelectronics,

poweredexerciseequipment;homesecurityandwirelessLANsystemsandotherthingsmayinterferewiththeabilityofthesystemto

Intermittentreadingsofzeroorofveryhighheartrates(exceeding210beats)areanindicationofsometypeofinterference.

Ingeneral,theinterferencecausedbythesesourcesislocalized.Afterafewsecondsoratmostminutes,

you should pass from the area of interference and the operation of the watch should return to normal.

NB N4 User Manual

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