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HI DF Setting
Remote Control and Communications
Using a 12V trigger to power the amplifier on or off
This amplifier is equipped with a 12V (AC or DC) input that can be used to power the amplifier on or off, if
the rear AC rocker switch is in the ON position.
The connector used is a polarized Phoenix type female connector, for which males are readily available, and
which is designed to prevent shorts during connection.
Triggers are used to power on/off the amplifiers from an outside source in the system, such as the
preamplifier. Trigger outputs are typically 12 Volt systems (either AC or DC), connected via hardwired
connection between components. The trigger input on this amplifier reacts to a holding voltage: When the
trigger voltage is applied the amplifier will power up if the rear rocker switch is in the ON position, and
when the hold is released, the amplifier automatically powers down.
In all cases the front panel power button takes precedence to power down. If the amplifier is powered on via
the front panel button then applying the trigger voltage will not cause a change. If either the trigger voltage is
released or the front panel power button is pressed the amplifier powers down. If the trigger voltage is left
on, but the power button is pressed then the amplifier will power down, and will stay off unless the trigger
voltage is cycled down and then back up.
Using the Amplifier with an infrared Remote Control
This amplifier is designed to interface with industry standard remote control systems via the rear IR receiver.
A remote wand is not supplied with the unit, but this capability can be added to your system by your
professional installer via the remote code set supplied by the factory.
S-400 Amplifier Owner's Manual
29
VTL
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