     error.description = "Command error;Invalid unit";
     error.length = 26;
     
-    Serial.println(output_numeric.length);
-
     scpi_queue_error(&ctx, error);
     scpi_free_tokens(command);
     return SCPI_SUCCESS;

  char line_buffer[256];
  unsigned char read_length;
  
  dds.setFrequencyHz(0, 1000000);
  dds.selectFrequencyRegister(0);
  
  dds.enable();

    args = args->next;
  }

  output_numeric = scpi_parse_numeric(args->value, args->length, 1e3, 0, 25e6);
  if(output_numeric.length == 0 ||
    (output_numeric.length == 2 && output_numeric.unit[0] == 'H' && output_numeric.unit[1] == 'Z'))
  {
    dds.setFrequencyHz(0, (unsigned long)constrain(output_numeric.value, 0, 25e6));
    frequency = (unsigned long)constrain(output_numeric.value, 0, 25e6);
  }
  else
  {
