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11
Nº53 Power Amplifier
Control
The control section of the Nº53 rear panel contains the Ethernet
and Link2 ports, the Power Save Mode switch, and the trigger input
and output.
Trigger Input and Output
The rear panel of the Nº53 has two trigger connectors – one input
and one output. The trigger input can receive a 3-12Vdc signal from
a connected component. The trigger output connects directly to the
trigger input connector, enabling a daisy-chain of amplifiers to be
controlled by a single trigger signal.
The triggers enable the power amplifier to be automatically powered
on, or put into Standby or Power Save mode, by the state of other
devices in the system.
Receiving a trigger signal causes the Nº53 to change its power state.
If the trigger input receives a 3-12Vdc signal, the amplifier powers
up to the “On” mode. If the trigger input transitions from 3-12Vdc
to 0Vdc, then the Nº53 returns to the Standby or Power Save mode.
Power Save Mode Switch
The Power Save Mode switch on the rear panel provides the
energy-saving mode.
• When set to ON, the amplifier enters Power Save mode when
the rear panel Power switch is turned on. The front panel
Standby button switches the amplifier between Power Save and
On modes.
• When set to OFF, the amplifier enters Standby mode when the
rear panel Power switch is turned on. The front panel Standby
button switches the amplifier between Standby and On modes.
When Power Save mode is active, AC power is only connected to
the low-voltage power supply, communication circuits, and control
circuits. Therefore, nonaudio functions such as ML Net and Link2
are active, but the audio circuits are NOT powered. This means that
there may be a small delay before the amplifier is fully operational
when taken out of Power Save mode.
Link2 Ports
Use the Mark Levinson Link2 protocol to link together two or more
Mark Levinson components. For more information on the Link2
protocol and how to use it with the Nº53, refer to the “Link2”
section found later in this manual.
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