QR Double code: two arranged up and down or left and right QR Barcode. The direction of the two codes should be the same, the difference should be as small as possible, and the distance should be as close as possible.

There are three setting modes for dual code setting:

•

Read only single QR Code: The device only reads one at a time at any time QR Barcode.

•

Read only double QR Code: The device must be detected at any time QR Double code, and the decoded information is sent after both codes are successfully decoded. The sending order is from

top to bottom or left to right.

•

Readable odd and even QR Code: Check first when reading codes QR Whether the double code exists, if it exists and decoded successfully, it will be sent according to the double code, otherwise it will be treated as a

* * [Read only single QR code】

【Readable odd and even QR code】

107

Startup settings

[Only read double QR code】

Exit settings

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