36
37
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This product generates, uses,
and can radiate radio frequency energy and, if not installed and used
in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this product does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
CHAPTER 7 Compliance Information for EMC Test
Electromagnetic emission
Emission test
Compliance
Electromagnetic Environment – guidance
Conducted and radiated
RF emissions
Group 11, Group 1,
Class B
Home Healthcare environment
Electromagnetic immunity
Immunity test
IEC 60601 test level
Compliance Level
Electromagnetic
Environment –
guidance
Electrostatic
discharge (ESD) IEC
61000-4-2
± 8kV contact
±15kV air
± 8kV contact
±15kV air
Special healthcare
environment
The relative humidity
should be at least 50%.
Radiated RF
IEC 61000-4-3
10 V/m
80 MHz to 2.7 GHz
10 V/m
80 MHz to 2.7 GHz
Home healthcare
environment
Power
frequency (50/60Hz)
magnetic field
IEC61000-4-8
30A/m
30A/m
Home healthcare
environment
Electromagnetic immunity to RF wireless communications equipment
Test
frequency
(MHz)
Band
a
)
(MHz)
Service
a
)
Modulation
b
)
Maximum
power
(W)
Distance
(m)
Immunity test
level
(V/m)
385
380-390
TETRA 400
Pulse
modulation
b
)
18Hz
1.8
0.3
27
450
430-470
GMRS 460,
FRS 460
FM
c
)
±5kHz
deviation
1kHz sine
2
0.3
28