Ceyear 4051 Series, User Manual

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2 General
2.2 Safe operating manual
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4) If the power socket is not equipped with any ON/OFF switch, the power plug can be directly pulled off to
power off the instrument. In this case, ensure it is easy to plug and unplug the power line.
5) Do not use any damaged power cord. Before connecting the power cord to the instrument, check the
power cord for integrity and safety. Reasonably place the power cord to avoid the impact from human
activities. For example, the operator may fall over if the power cord extends over long distance.
6) Keep the socket clean and the plug and the socket in good and firm contact.
7) The socket and power cord must not be overloaded; otherwise, fire or electric shock may be caused.
8) Unless specially permitted, the instrument shell must not be opened; otherwise, internal circuits and parts
may be exposed, resulting in unnecessary damage.
9) If the instrument needs to be fixed in a test place, the protective ground wire should be installed between
the test place and instrument by the electrician with qualifications.
10) Take appropriate overload protection measures to avoid instrument damages or personal injuries caused
by overload voltage (arising from lightning, etc.).
11) It is notable that when the instrument is in fire, toxic gas or lI/Quid harmful to human being may be
released
2.2.4 Operation Precautions
1) The instrument operator must have certain professional and technological knowledge, good psychological
quality and emergency response capability.
2) Refer to relevant requirements in ―2.2.7 Transportation‖ before handling or transporting the instrument.
3) Allergic substances (such as nickel) are produced inevitably during instrument production. If the operator
shows any allergic symptom (such as rash, frequent sneezing, red eye, breathing difficulty, etc.),
immediately seek medical help to eliminate the symptoms.
4) Refer to relevant requirements in ―2.2.8 Waste disposal/environmental protection‖ of this section before
removing and disposal of the instrument.
5) RF instruments may result in high-intensity electromagnetic radiation. The pregnant women and operators
with heart pacemaker must be protected particularly. If the degree of radiation is high, take appropriate
measures to remove the radiation source so as to prevent personal injury.
6) To avoid the damage to the instrument caused by static electricity, anti-static treatment such as the use of
anti-static table pad, foot pad and wrist pad should be provide, and the anti-static voltage should not be
over 500V.
7) You should choose connectors and cables meeting testing conditions and check connectors and cables
before operation.
8) During measurement, DC or AC coupling can be selected for the RF input interface. When DC coupling
is selected, input of DC signals is prohibited since it will result in damage of internal parts; when AC
coupling is selected, the maximum DC signals to be input is 50 V.
9) It should be ensured that the input signal power at radio frequency input interface is lower than the
maximum safety input level +30dBm to avoid the burning of the instrument.
10) Hotplug should not be used for GPIB and monitor interface which do not support hot plug.
11) It is prohibited to remove all connector protectors and matching units accompanying the instrument to
avoid damage to connectors and measuring error.
12) Turn off the power at front panel in a normal way instead of forcing a power off, or it will result in
abnormities to the operating system;
13) The instrument should be preheated for 30 min before testing in order to ensure measurement accuracy.