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Operation Requirements
● Do not disassemble the device without professional instruction.
● Operate the device within the rated range of power input and output.
● Make sure that the power supply is correct before use.
● Make sure the device is powered off before disassembling wires to avoid personal injury.
● Do not unplug the power cord on the side of the device while the adapter is powered on.
● Use the device under allowed humidity and temperature conditions.
● Do not drop or splash liquid onto the device, and make sure that there is no object filled with
liquid on the device to prevent liquid from flowing into it.
● Operating temperature: –10 °C to +55 °C (+14 °F to +131 °F).
● This is a class A product. In a domestic environment this may cause radio interference in which
case you may be required to take adequate measures.
● Do not block the ventilator of the device with objects, such as a newspaper, table cloth or curtain.
● Do not place an open flame on the device, such as a lit candle.
Maintenance Requirements
● Power off the device before maintenance.
● Mark key components on the maintenance circuit diagram with warning signs.
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