NTP synchronizes the DMU801 system clock with a precise time source, ensuring accurate timestamps for all observations. Log in to the Web UI as an Administrator or Operator. In the Web UI, go to Settings > Date and time. Under Date and time source, select External time source and NTP. Type the address of the NTP server or servers that you want to use. If you are going to use also GNSS for time synchronization, select also GNSS/NMEA. To save the changes, select Save. More information NTP