code: function(err, data) {
          var regexp = RegExp(/R(\d)(.*)/);
          var ret;
          var zoneName;
  
          if (data) {
              for (i = 0; i < data.length; i++) {
                  if (ret = regexp.exec(data[i])) {
                      zoneName = data[i].trim().substr(2);
                      zones[zoneIds[parseInt(ret[1], 10)]] = zoneName;
                  }
              }
          }
          callback(null, zones);                                                  // whatever happens, we finally go on
      }
docs: Try to get zone names supported by recent AVR (RR? -> ["R1MAIN ZONE ","R2ZONE2     ","R3ZONE3"])