Service manual

16 Chapter 3: Safety
Guidance and manufacturer’s declaration
The Edge ultrasound system contains an IEEE 802.11 transmitter that utilizes the ISM frequency band from 2.412 to
2.4835 GHz and implements two methods of transmission:
• IEEE 802.11b with Complementary Code Keying (CCK), Differential Quaternary Phase Shift Keying (DQPSK),
and Differential Binary Phase Shift Keying (DBPSK) at 16 dB
• IEEE 802.11g with Orthogonal Frequency Division Multiplexing (OFDM) at 13 dBm
WARNING:
Other equipment, even equipment that complies with CISPR emission requirements,
can interfere with the Edge ultrasound system.
Guidance and Manufacturer’s Declaration - Electromagnetic Emissions
The Edge ultrasound system is intended for use in the electromagnetic environment specified below.
The customer or the user of the Edge ultrasound system should assure that it is used in such an
environment.
Emissions Test Compliance Electromagnetic Environment
RF emissions
ClSPR 11
Group 1 The Edge ultrasound system uses RF energy only for
its internal function. Therefore, its RF emissions are
very low and are not likely to cause any interference in
nearby electronic equipment.
RF emissions
ClSPR 11
Class A The Edge ultrasound system is suitable for use in all
establishments other than domestic and those directly
connected to the public low-voltage power supply
network which supplies buildings used for domestic
purposes.±
Harmonic emissions
IEC 61000-3-2
Class A
Vo l t a g e
fluctuations/flicker
emissions
IEC 61000-3-3
Complies
Guidance and Manufacturer’s Declaration - Electromagnetic Immunity
The Edge ultrasound system is intended for use in the electromagnetic environment specified below.
The customer or the user of the Edge ultrasound system should assure that it is used in such an
environment.
Immunity Test IEC 60601 Test Level Compliance Level
Electromagnetic
Environment
Electrostatic
Discharge
(ESD)
IEC 61000-4-2
±6.0KV contact
±8.0KV air
±6.0KV contact
±8.0KV air
Floors should be wood,
concrete or ceramic tile. If
floors are covered with
synthetic material, the relative
humidity should be at least
30%.
Electrical fast
Transient burst
IEC 61000-4-4
±2KV for power
supply lines
±1KV for input/output
lines
±2KV for power
supply lines
±1KV for
input/output lines
Mains power quality should be
that of a typical commercial or
hospital environment.