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USC-1 Manual > Board And Connectors > LED Indicators

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The two LED Indicators have the following function:

led

Figure 19: LED indicators

Device State (green color):

•In general when blinking or Off the device is not operational.

•Specific:

oBlinking with 1 sec period: After device has booted from the on board EEPROM.

oBlinking with 0.2 sec period: The FPGA program is downloaded via USB.

oStaying ON: Device is operational.

Mark In Progress (red color):

•This LED is parallel with the opto-insulated Opto_Out 0 (pin 3) output of the 37-pin connector. It is ON during mark.