67
STAGEPAS 600i
ENDING SEQUENCE
●
Protection during power off (SHUTDOWN Sequence)
1. Purpose of the function
To prevent click noise etc. when power is off.
2. Supplemental remarks on the function
When power off (/PWR-OFF) is noti
fi
ed by the power section, the sound is muted within a controllable range by software.
Execute Analog Section Mute, Digital Section Mute, and Amp Disable.
3. Operating
procedure
Operation
Behavior
Power shutdown by user operation
Execute Analog Section Mute, Digital Section Mute, and Amp
Disable until CPU is shut down.
Power shutdown caused by failure
Same as above
4. Performance
condition
Complete processing within 40 ms after power off is noti
fi
ed.
5. Input/output
/POWER_OFF general-purpose input port
Detect PowerOff
:
DSP MUTE
Activate various MUTE
/A-MUTE
/MONI-MUTE
/USB-MUTE
.
AMP DISABLE
AMP-ENA
PowerOn LED off
@
CPU
POWER AMP
SPEAKER
POWER OFF
DETECT
CHECK
SHUTDOWN
END
ANALOG
MUTE
AMP
Power OFF
DETECT
POWER SUPPLY