AWF
Aural warning function
Two drivers that operate as master/slave. The master aural warning driver is on MAU 1 unless it fails, in which case the slave (on MAU 2) takes over as master.
EICAS messages
AURAL WRN SYS FAIL - both drivers failed
Aural warning function
Two drivers that operate as master/slave. The master aural warning driver is on MAU 1 unless it fails, in which case the slave (on MAU 2) takes over as master.
AURAL WRN SYS FAIL - both drivers failed