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Remote Connections
7 12 VDC In/Out (12 V Trigger)
The 12 V trigger allows you to turn the Evolution amplifier on or to stand-by
from other components.
Out. The output sends 12 VDC (12 V trigger) power on/off signals to other Krell
components and other devices that incorporate a 12 V trigger, allowing whole
systems or parts of systems to be easily controlled remotely. Mono 3.5 mm
connectors are used in the following configuration: Tip = +12 V, Sleeve = GND.
Notes
When an Evolution amplifier is in the operational mode, the 12 V trigger provides 12 Volts
of DC output. When the amplifier is in the stand-by mode or off, the DC output is
0 Volts. A maximum of 30 mA is available from the 12 V trigger output.
Consult the owner's reference of the components used in a custom installation to take
full advantage of the remote capabilities of an Evolution amplifier.
8 Backlight Control
Ext In.
Connect a 12 V trigger to the Ext In input connector to turn off the
power status indicator (2) using a remote control. The switch must be set to
On/Ext, in order for this to function (see below).
On/Ext. This activates the power status indicator. (This is the factory default
position.)
Off. This turns off the power status indicator, during normal operation. The
power status indicator remains illuminated for ten seconds after the power but-
ton is pr
essed.
Power
9 IEC Power Cord Receptacle
The power r
eceptacle is for use with the pr
ovided 20 amp AC power cor
d. Use
only the power cord supplied with your Evolution amplifier.
10
Power Br
eaker Switch
Place this switch in the up position to put the amplifier in stand-by mode.
Place the switch in the down position to turn off the amplifier.