Application Scope, Operation Conditions, Safety and Cautions
1-3
total load of all devices consisting of the system, or it may result in danger.
Tip: In regions where mains supply is not stable, it is recommended to use power
supply from a stabilizer with output power of 120VA, so as to avoid damage to
the system due to mains fluctuation.
1.4 Safety
This system has been designed and manufactured in compliance with international standard
IEC 60601-1:2005. To operate it correctly and safely, please follow the instructions below:
a) This system is not explosion-proof. Do not operate it in a flammable or easy explosive
environment (e.g. in the presence of anesthetics gas, oxygen or hydrogen);
b) This system is not waterproof. Never allow water or other liquid to drip on to the system;
c) This unit needs a protective grounding device. Its power cable must be connected to a
grounding socket. If the system is powered by a power supply without grounding, its
equipotential terminal must be connected to the equipotential terminal on another
grounded system or an additional grounded device. Do not use the system where no
ground terminal is available;
d) Biological safety: The same as other diagnostic ultrasound products, the material used
for this product is proved to be innocuous through a long-period trial. It will not result in
allergy and stimulation to human body and skin;
e) Ultrasound safety: ALARA (As Low As Reasonably Achievable) principle should be
observed. Patients should always be exposed to the lowest practical transmit power
levels for the shortest possible time. Freeze the system or keep the probe away from the
patient if no scanning is done. Do not examine the patient with the probe on a fixed
position of the body for a long time; please check the display of acoustic output and MI,
when powering on the system, inputting new patient ID or shifting from non-fetal to fetal
application.
WARNING: To avoid the risk of electric shock, this equipment must only be
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