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VIII
1. Precautions on use of medical electrical system
1) All components of this medical electrical system may be installed within a limited patient environment (a
radius of 1.5 m around a patient) when all components are installed in accordance with the installation
instructions using “Multi-tap with Isolation Transformer”, which is one of the system components.
2) As prerequisite for installing to this system, other components (a PC, printer, video capture printer, video
monitor, or other devices) which do not comply with IEC60601-1 must be powered from Multi-tap with
Isolation Transformer. The electric power to these components supplied from an electric source other
than Multi-tap with Isolation Transformer (e.g., wall outlets) may cause increased enclosure leakage
current or potential difference between protective grounds resulting in the injury to the patient or operator.
Use Multi-tap with Isolation Transformer only for supplying the power to the components other than the
system components.
3) Any medical electrical equipment that connected to this system to compose a medical system must
comply with IEC60601-1.
4) Any non-medical electrical equipment that is connected to this system to compose a medical system
must comply with safety standards of IEC or ISO provisions applicable to such a non-medical electrical
equipment.
5) Do not use any additional multi-tap or extension power cable other than those Kowa specied to this
system.
6) Power supply to this system or “Multi-tap with Isolation Transformer” must be provided individually. (Do
not route the power supply through other multi-tap to the system or “Multi-tap with Isolation Transformer”.)
7) The power cable for an electrical equipment that compose a medical system must have durability that
meets IEC60245/IEC60227 or higher standards.
8) Assure that the power supply is turned OFF when connecting other device to the system.
9) Do not turn ON the power supply until all devices are completely connected.
10) Do not place or install the devices and the system components on the unstable or inclined table.
2. Precautions for use of “Multi-tap with Isolation Transformer”
1) Do not place “Multi-tap with Isolation Transformer” directly on the floor. Water droplets during room
cleaning may enter the multi-tap resulting in the component failure.
2) The power supply cable to “Multi-tap with Isolation Transformer” must be connected to a power
receptacle with a protective ground terminal equipotential to the protective ground of this instrument.
3) When using a multi-tap power receptacle with a protective ground terminal, read the instruction for use
attached to the receptacle to familiarize yourself with the correct use before use.
3. Daily maintenance and cleaning
1) System components
• Wipe the soiled outer surface with rmly squeezed dampened soft cloth. Use mild detergent to remove
excessive soils. Do not use chemicals or solvents such as thinner and benzene. (As the LCD monitor
screen cover easily gets scratched, lightly wipe it with soft cloth such as gauze.)
• Refer to the instruction for use provided with each device for details of device maintenance and cleaning.
2) Power cables, connecting cables, and connectors
• Visually inspect that all cables have no aw or damage.
• Visually verify that earth leads of all components and protective ground terminals are securely connected.
• Disconnect the power cables from the power supply receptacles when you do not use the system for a
long period of time.
3) Others
• When you add a PC to the system for a ling purpose, captured images are stored in the HDD of the PC.
Back up the data stored in the HDD regularly since HDDs may have a mechanical or electrical failure.
Precautions: use of medical electrical system