docs: def raw(self, channel=1):
                  """
                  Reads the raw input from the oscilloscope.
                  
                  Parameters
                  ----------
                  channel : int
                      channel number of read
                  
                  Returns
                  -------
                  rawData : bytes
                      raw binary data read from the oscilloscope
                  """
                  self.waitOPC()
                  self.write('COMM_FORMAT DEF9,WORD,BIN')
                  self.write('C%u:WAVEFORM?' % channel)
                  return self.read_raw()