The Antenna Part - Gainscha GA-2408T Series User Manual

2.2.5 The Antenna Part

Yellow Light
Power indicator: When the RFID module is connected to the power supply, the yellow
light is long on, if not, it means that the RFID module is not energized.
Blue Light
Operation indicator: When the printer performs RFID command operation, the blue
light flashes once(The blue light flashed once in each RFID command operation.)
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