Allen & Heath does not have a model "MQU350". The closest match with a numeric suffix is the , SQ-6 , or Avantis , but given the typical typos, you most likely have a Qu-32 (Qu series) or perhaps are looking for the M-Dante or ME system firmware.
: If the battery dies completely, the time will reset. You must run the software again before your next recording. mqu350 software fixed download