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Function Control
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The Function control selects the input signal source. The signal selected by
the Function control is the one you hear, as long as the Monitor control is
set to the Source postion. (See the following section.) The signal selected
by the Function control also goes to Preamp Outputs and the Tape Outputs.
Turn the front panel Listening Selector to the source you want to listen to.
Or press the corresponding source button on the remote control.
Monitor Control
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When the Monitor Control is set to the Source position, the signal you
hear, and which goes to the Preamp Outputs, is selected by the Function
Control. To listen to the signal from a recorder connected to the Tape
Inputs, set the Monitor Control to the Tape position. When the Monitor
Control is in the Tape position, the signal from the Tape Input also goes
to the Preamp Outputs.
The signal that goes to the Tape Output is always selected by the
Function Control. When you are recording with a unit that has monitoring
capabilities, you can listen to the sound just recorded by setting the
Monitor Control to the Tape position.
Mute Control
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Remote only
To temporarily mute the sound of the system press the Mute Button on the
RR-AT94 remote. The volume Control LED blinks when the sound is muted.
Press the button again to return the sound volume to the original level.
IR Inputs and Outputs
External Remote Input
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This 3.5mm mini-jack (labeled EXT REM IN) receives command codes
from an industry-standard infrared receiver (Xantech, etc.) located in the
main listening room. This feature is useful when the unit is installed in a
cabinet and the front-panel sensor is blocked. Consult your authorized
Rotel dealer for information on external receivers and the proper wiring
of a jack to fit the mini-jack receptacle.
NOTE: The IR signals from the EXTERNAL REMOTE IN jack can be
relayed to source components using external IR emitters or hardwired
connections from the IR OUT jacks.
IR Output
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The IR OUT jack sends IR signals received at the EXTERNAL REM IN jack
to an infrared emitter, or to Rotel CD players, cassette decks, or tuners
with a compatible rear panel IR connector. This allows you to use IR
control features to operate other components when the IR sensors on those
components are blocked or obstructed by installation in a cabinet.
See your authorized Rotel dealer for information on IR repeater
systems.
NOTE: The EXT REM IN jack located next to the the IR OUTPUT jack
is for use with an external IR sensor which duplicates the front panel IR
sensor.
12V Trigger Outlet
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Some audio components can be turned on automatically when they receive
a 12V turn on “signal”. The two12V Trigger Outputs of the RA-05 SE
provide the required signal. Connect compatible components to the RA-
05 SE with a conventional 3.5mm miniplug cable. When the RA-05 SE
is in Standby mode, the trigger signal is interupted, so the components
controlled by it are turned off.
Protection Indicator
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The RA-05 SE has both thermal and over-current protection circuitry that
protects the amplifier against damage in the event of extreme or faulty
operating conditions. The protection circuits are independent of the audio
signal and have no impact on sonic performance. Instead, the protection
circuits monitor the temperature of the output devices and shut down the
amplifier if temperatures exceed safe limits.
Most likely, you will never see this protection circuitry in action. However,
should a faulty condition arise, the amplifier will stop playing and the
LED indicator on the front panel will light up.
If this happens, turn the amplifier off. Let it cool down for several minutes,
and attempt to identify and correct the problem that caused the protection
circuitry to engage. When you turn the amplifier back on, the protection
circuit will automatically reset and the indicator LED should go out.
In most cases, the protection circuitry activates because of a fault condition
such as shorted speaker wires, or inadequate ventilation leading to an
overheating condition. In very rare cases, highly reactive or extremely low
impedance speaker loads could cause the protection circuit to engage.
If the protection circuitry triggers repeatedly and you are unable to isolate
and correct the faulty condition, contact your authorized Rotel dealer for
assistance in troubleshooting.