HoMedics BPA-960BT Manual página 41

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Radiated
10 V/m at 80-2700 MHz
RF
AM Modulation
IEC 61000-
And 9-28V/m at
4-3
385-6000MHz,Pulse
Proximity
Mode and other Modula-
fields from
tion. The system shall
RF wireless
be tested as specified in
commu-
IEC60601-1-2 Table 9 for
nications
proximity fields from RF
equipment
wireless communica-
IEC 61000-
tions equipment using
4-3
the test methods speci-
fied in IEC 61000-4-3
NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.
NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
a. Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones
and land mobile radios, amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted
theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an
electromagnetic site survey should be considered. If the measured field strength in the location in which the
device is used exceeds the applicable RF compliance level above, the device should be observed to verify
normal operation. If abnormal performance is observed, additional measures may be necessary, such as
reorienting or relocating the device.
b. Over the frequency range 150 kHz to 80 MHz, field strengths should be less than 3 V/m
10 V/m at 80-2700 MHz
AM Modulation
And 9-28V/m at
385-6000MHz,Pulse
Mode and other Modula-
tion. The system shall
be tested as specified
in IEC60601-1-2 Table 9
for proximity fields from
RF wireless communica-
tions equipment using
the test methods speci-
fied in IEC 61000-4-
385-6000MHz,Pulse
Mode and other Modula-
tion. The system shall
be tested as specified
in IEC60601-1-2 Table 9
for proximity fields from
RF wireless communica-
tions equipment using
the test methods speci-
fied in IEC 61000-4-3
40
Recommended separation distance
Considering to reduce the minimum
separation distance, based on
RISK MANAGEMENT, and using
higher IMMUNITY TEST LEVELS
that are appropriate for the reduced
minimum separation distance.
Minimum separation distances for
higher IMMUNITY TEST LEVELS
shall be calculated using the follow-
ing equation:
E = 6/d
where P is the maximum power in
W, d is the minimum separation dis-
tance in m, and E is the IMMUNITY
TEST LEVELS in V/m.
Field strengths from fixed RF
transmitters, as determined by an
electromagnetic site survey,
be less than the compliance level in
b
each frequency range.
Interference may occur in the vicinity
of equipment marked with the fol-
lowing symbol:
a
should

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Bpa-960bt-wt

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