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Operating States The Nº432/431 has four operating states:
1. Off
Power is disconnected from the ~ac mains connector.
2. Sleep Mode
Power is connected to a small power supply, communication
circuits, and control circuits. When taken out of sleep mode,
the Nº432/431 requires a brief warm-up and break-in period.
In sleep mode, the Nº432/431 consumes less than 15W of
power.
3. Standby
Power is connected to the main power supply and voltage
gain stages. Power is not connected to the output (current
gain) stage. Because voltage gain stages are kept at their normal
operating temperatures, the Nº432/431 remains warmed-up to
deliver an optimal performance. In standby, the Nº432/431
consumes about 50W of power.
4. On
Power is connected to the ~ac mains connector and all power
amplifier components.
Continuous Operation The Nº432/431 should be unplugged during lightning storms and
extended periods of non-use. Otherwise, it is designed for continuous
operation. For best performance, make sure power is connected to
the ~ac mains connector at all times. During normal operation,
do not use the power button to power off the Nº432/431. Instead,
use the standby button to place the Nº432/431 into standby,
which allows the power amplifier to remain warmed-up to deliver
optimal performance at all times.