Application Scope, Operation Conditions, Safety and Cautions
1-4
connected to a supply mains with protective earth.
1.5 Cautions
a) While operating the system, please follow the methods and procedures described in
this manual;
b) Always turn off the system and protect it with a dust-proof cover whenever the system
is not in use;
c) The system should be operated in a clean environment. Avoid operating it in a place
with direct sunshine, impetuous temperature change, full of dust, close to heat source
or high humidity; do not put anything on top of the main unit;
d) Avoid severe vibration; otherwise the components in the system might be damaged;
e) Before connecting or disconnecting probe(s), firstly ensure that the main unit is set in
frozen state. It would be better to turn off the main unit power supply;
f) Freeze the image whenever no exam is performed;
g) All endocavity probes, when in use, should be covered with probe cover compliant to
ISO4074:2002. Biological warning for probe cover: If the covers used for endocavity
probes are condoms, they should be nonlubricant and nonmedicated. Practitioners
should be aware that condoms have been shown to be less prone to leakage than
commercial probe covers, have a six-fold enhanced AQL (acceptable quality level)
when compared with standard examination gloves. Their AQL equals to that of
surgical gloves. Users should be aware of latex-sensitivity issues and have available
nonlatex-containing covers. DO NOT have any chemical substance (e.g. lubricant)
contact the silica keypad of the operation panel, so as to prevent the silica keypad
from swelling;
h) The transducer assembly specific to endo-cavity use shall be not excited when it is
out of the patient’s body. Otherwise, such excitation does not comply with EMC
requirements, which might result in harmful interference to other device(s) in the
environment;
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