Casio V-T500-E Hardware Manual page 56

Note of operation
In the following case, there is possibility to can not read and write of RFID tag / Contactless Smart
Card.
*Several pieces RFID tag / Contactless Smart Card are piled up.
- Do not locate nearby with not scan RFID tag / Contact Smart Card .
- If several cards is located in same pass case inside, you should take out necessary card from pass
case.
- Take enough distance between RFID tags / Contactless Smard Cards.
*Exist metal material between antenna and RFID tag / Contact Smart Card
- If you place Contact Smart Card in wallet, you should take out necessary card from wallet.
- If RFID tag is located in metal case, you should take out RFID tag from metal case then execute
scan operation.
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