docs: def set_system_time(self, time_source, ntp_server, date_format,
                          time_format, time_zone, is_dst, dst, year,
                          mon, day, hour, minute, sec, callback=None):
          '''
          Set systeim time
          '''
          if ntp_server not in ['time.nist.gov',
                                'time.kriss.re.kr',
                                'time.windows.com',
                                'time.nuri.net',
                               ]:
              raise ValueError('Unsupported ntpServer')
  
          params = {'timeSource': time_source,
                    'ntpServer' : ntp_server,
                    'dateFormat': date_format,
                    'timeFormat': time_format,
                    'timeZone'  : time_zone,
                    'isDst'     : is_dst,
                    'dst'       : dst,
                    'year'      : year,
                    'mon'       : mon,
                    'day'       : day,
                    'hour'      : hour,
                    'minute'    : minute,
                    'sec'       : sec
                   }
  
          return self.execute_command('setSystemTime', params, callback=callback)