Yamaha PC412-D Owner's Manual page 44

GPI OUT
FUNCTION
NO ASSIGN
AMP START
REDUNDANT
CH IMPEDANCE
CHANNEL MUTE
FAULT OUT
PRESET RECALL
Content
－
The amp is running
Output when the Input Source status of
one of the channels is other than primary
Output when the detected impedance of
all specified channels is normal (within
the specified upper/lower range)
One of the specified channels is muted
One of the specified channels is in the
Fault state
The preset of the specified number is
recalled
PC412-D PC412-DI PC406-D PC406-DI Owner's Manual | 41
7. SETUP screen