Appendix
一
UHF Card issuer common troubleshooting
1. Unable to open the UHF issuing organ for card function:
A. Please check whether the equipment and computer lines to connect USB and serial port; If not connected
，
please
connect the USB cable and the serial port.
B. Please check equipment port number is consistent with the computer’s port number; If not consistent, please set
the device port.
C. Please check whether the equipment install the USB driver; If not, please install the USB driver.
2. Unable to search to tag:
A. May be output value of the equipment is too low, please send equipment power output value is set to “23dBm”.
B. May be a UHF tags have been damaged
，
please replace the UHF tags.
Appendix
二
After-sales service commitment:
Product warranty period is one year, without damage to natural disaster and man-made factors, during the warranty
period free warranty;
Product once sold, except for product quality problem need to repair or replace, shall not return;
Due to artificial damage, guarantees the failure due to improper operation, the implementation of maintenance fee
；
