Denso QB30-SR User Manual page 10

2d code scanner (fixed type)
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Follow the instructions correctly. Failure to do so could cause fire or smoke, as well as malfunction to the scanner.
Please read the following safety precautions carefully before using the device.
 When disconnecting the AC adapter from the wall socket, hold the AC adapter body not the power cable.
The power cable may be broken, resulting in a burnt AC adapter, electrical shock, or fire.
 If the interface cable is damaged (e.g., exposed or broken lead wires), stop using it and contact your nearest
dealer.
Failure to do so could result in a fire or electrical shock.
 During electrical storm activity, always unplug the AC adapter from the wall socket.
Exposure to power surges could result in a damaged scanner or fire.
 When taking care of the scanner, unplug the AC adapter from the wall socket for safety.
Failure to do so could result in an electrical shock.
 Do not drop the scanner.
The scanner housing may be broken, creating injuries.
Using the scanner whose housing is broken could result in smoke or fire.
Unplug the AC adapter from the wall socket and contact your nearest dealer.
CAUTION
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