Omron V720 Series User Manual page 7

Electromagnetic inductive rfid system, usb type rfid unit
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To avoid interferences with other systems, adhere to the following items and check
them before using the product.
The product uses a publicly available ISM frequency band of 13.56 MHz to communicate with
Tags. Some transceivers, motors, monitoring devices, power supplies (power supply ICs), and
other similar RFID systems may generate noise, which cause radio interference and may affect
communication with Tags. If the product is required in the vicinity of these items, check for any
interference prior to use.
On the contrary, the system itself may affect radio station transmissions or medical devices. Be
cautious when using the system in the environments where such effects might occur.
To minimize noise effects, adhere to the following:
Establish a Class D grounding (former Class 3 grounding) for metal objects placed in the
vicinity of the system.
Keep cables away from those with high voltages or heavy currents.
Do not allow the device or cables to be soused or exposed to water.
Doing so may result in electric shock, fire or failure of non-waterproof devices or cables.
Connect the enclosed USB cable to the product for power supply.
Failure to do so may damage the device or generate noise that affects receiving apparatus such
as TV or radio.
Connect the enclosed USB cable only between this product and a computer.
Do not extend or modify the connection with other USB cable or USB adaptor.
Handle the USB cable by the connector portion to prevent excessive stress on the
connector.
Failure to do so may result in poor contact or damage the device.
Handle the USB cable by the connector portion to prevent excessive stress on the
connector.
Failure to do so may result in poor contact or damage the device.
If the device fails or is exposed to water (non-waterproof devices or parts), or an
unusual smell, smoke, or sparks are detected, immediately refrain from using the
device and contact OMRON or a sales representative for service and repair.
Continued use of the failed device may result in electric shock or fire.
Adhere following instruction to prevent the power supply or AC adaptor belonged
to the computer from affecting communication with tags.
Keep the distances from the power supply or AC adaptor for the computer as described in 5-6
"Positional Relation Between Reader and Computer" when use the device.
This product is not suitable for simultaneous connection of multiple units.
Two or more products can not operate connecting with one computer.
vii

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