DUS 60 Digital Ultrasonic Diagnostic Imaging System Service Manual
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15. Prior to operation, the operators should read the user manual carefully to be familiar
with the performance and functions of the device.
16. Remove the power plug for a long time not to use the device.
Prevention
1. Probe should be cleaned with the soft cloth after operation at once.
2. Do not bend the probe cable to a circle diameter less than 9 cm.
3. Far away form strong electrical or magnetic conditions as to protect the monitor.
4. Do not use the machine close to the high frequency equipment, such as medical test
equipments, unwired telephones, etc., which may affect the device or others.
5. Avoid installing or operating the device in direct strong sunshine or high temperature.
6. Check carefully if the probe falls broken. If damaged seriously, who contact it is likely to be
electrically shocked.
6.2. Notice Before Switching On the Unit
1. Make sure that the power is OFF, and the input voltage complies with the requirements in
user manual.
2. Ensure that other electric equipment will not interfere to ultrasound diagnosis when used with
together.
6.3. Notice When Operating the Device
1. Observe whether the device and the patient are normal or not at any time.
2. Considering the safety, if there is something abnormal with the device and the patient, the
operator should switch off the device.
3. It is not necessary to power off the device while it is not operated in a short duration, but only
to lower the brightness to protect the monitor. It will be helpful to extend the service life if
power off the device for 10-15 minutes after 4 hours’ operation. If the ambient temperature is
low, the operation hour could be duly extended, whereas, it should be shortened in the hot
summer, and the air conditioner or fan is necessary to lower the temperature.
6.4. Notice after Operation
1. Do not take off the probe by the cable but the plug, otherwise the probe and the device will be
damaged.
2. Device and attachment should be cleaned up for next examination with a soft cloth.
3. Cover the device with the anti-dirt cover.
6.5. Basic Step of Checking Malfunction
General speaking, there are three factors for the malfunction:
Natural wastage of device. Each component has its service life, when surpassing the period,
the caducity, degeneration, low insulation and technical abrasion will be existed, further more,
the device will completely invalidate or cause leakage or circuit malfunction.
Bad conditions and environment, e.g.: the temperature and humidity is too high or there is
corrosive gas and too much dirt in the air; the device is librated, e.g.: the voltage fluctuate
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