Walgreens WGNBPA-745 User Manual - page 15
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POTENTIAL FOR ELECTROMAGNETIC
INTERFERENCE
To avoid inaccurate results caused by electromagnetic interference between
electricalandelectronicequipment,donotusethedevicenearacell
phone or microwave oven. For most wireless
communication devices, it is recommended to
maintainadistanceof10.8feet(3.3m)inorderto
avoid electromagnetic interference.
ThisdevicecomplieswithPart15oftheFCCRules.
Operationissubjecttothefollowingtwoconditions:
(1)thisdevicemaynotcauseharmfulinterference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operation.
NOTE:ThemanufacturerisnotresponsibleforanyradioorTVinterference
causedbyunauthorizedmodificationstothisequipment.Suchmodifications
couldvoidtheuserauthoritytooperatetheequipment.
NOTE:Thisequipmenthasbeentestedandfoundtocomplywiththe
limitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.
These limits are designed to provide reasonable protection against harmful
interferenceinaresidentialinstallation.Thisequipmentgenerates,uses
andcanradiateradiofrequencyenergyand,ifnotinstalledandusedin
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will
notoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful
interference to radio or television reception, which can be determined by
turningtheequipmentoffandon,theuserisencouragedtotrytocorrectthe
interferencebyoneormoreofthefollowingmeasures:
•Reorientorrelocatethereceivingantenna.
•Increasetheseparationbetweentheequipmentandreceiver.
•Connecttheequipmentintoanoutletonacircuitdifferentfromthat
to which the receiver is connected.
•Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
ELECTROMAGNETIC COMPATIBILITY (EMC)
• Guidanceandmanufacturer’sdeclaration–electromagneticemissions
The device is intended for use in the electromagnetic environments listed below, and should only be
usedinsuchenvironments:
Emissions test
Compliance
Electromagnetic environment – guidance
RFemissionsCISPR11
Group1
RF energy is used only to maintain device’s operation.
Therefore, its RF emissions are so low that it’s not likely to
causeanyinterferenceinnearbyelectronicequipment.
RFemissionsCISPR11
Class B
Harmonic emissions IEC
61000-3-2
Class A
The device is suitable for use in all establishments,
including domestic establishments, and those directly
connected to the public low-voltage power supply network
that supplies buildings used for domestic purposes.
Voltagefluctuations/flicker
emissionsIEC61000-3-3
Complies
•Guidanceandmanufacturer’sdeclaration–electromagneticimmunity
The device is intended for use in the electromagnetic environments listed below, and should only be
usedinsuchenvironments:
Immunity test
IEC 60601 test level
Compliance level
Electromagnetic environment–
guidance
Electrostatic
discharge (ESD)
IEC61000-4-2
±6kVcontact
±8kVair
±6kVcontact
±8kVair
Floors should be wood, concrete
orceramictile.Iffloorsarecovered
with synthetic material, the relative
humidityshouldbeatleast30%.
Powerfrequency
(50/60Hz)
magnetic field
IEC61000-4-8
3A/m
3A/m
Powerfrequencymagneticfields
should be at levels characteristic of
a typical location in a typical com-
mercial or hospital environment.
Electrical fast
transient/burst
IEC61000-4-4
±2kVforpowersupply
lines
±1kVforinput/output
lines
±2kVforpower
supply lines
±1kVforinput/
output lines
Mainspowerqualityshouldbethat
of a typical commercial or hospital
environment.
Surge
IEC61000-4-5
±1kVline(s)toline(s)
±2kVline(s)toearth
±1kVline(s)to
line(s)
±2kVline(s)to
earth
Mainspowerqualityshouldbethat
of a typical commercial or hospital
environment.
interruptions
and voltage
variations on
power supply
input lines
IEC61000-4-11
<5%UT(>95%dipin
UT)for0,5cycle
40%UT(60%dipin
UT)for5cycles
70%UT(30%dipin
UT)for25cycles
<5%UT(>95%dipin
UT)for5sec
<5%UT(>95%dip
inUT)for0,5cycle
40%UT(60%dipin
UT)for5cycles
70%UT(30%dipin
UT)for25cycles
<5%UT(>95%dip
inUT)for5sec
Mainspowerqualityshouldbethat
of a typical commercial or hospital
environment. If the user of the de-
vicerequirescontinuedoperation
during power mains interruptions,
it is recommended that the device
be powered from an uninterruptible
power supply or a battery.
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