NGW-1 Normal LED Behaviour
The primary function of the NGW-1’s NMEA 0183 LED is to indicate reception of a valid NMEA 0183 sentence.
The NMEA 2000 LEDs main function is to indicate reception of a PGN on the NGW-1 conversion list.
It is normal for the NMEA 0183 LED to flash faster than the NMEA 2000 LED due to the smaller bandwidth available to NMEA 0183.
This video provides a good visual representation of the different LED behaviour that can be observed in the NGW-1.
For more details, please refer to the NGW-1 User Manual.