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NOTE: There are two sets of RCA outputs on the RC-1580MKII. The
second set of outputs may be used in custom system configurations
to drive a second power amplifier or to supply a signal to a special
signal processor.
Balanced (XLR) Preamp Output
See Figure 4
A pair of XLR balanced connectors supplies an analog output signal from
the RC-1580MKII to a power amplifier with XLR balanced input connectors.
NOTE: Do not connect both the RCA and XLR to the same amplifier
at the same time.
Theater By-pass Mode
2
BYPASS indicator
i
The input marked Tape 2
has been set to provide a by-pass mode for
users requiring a unity gain stage through which they can use their surround
sound processor. This input will only function in a by-pass mode so do not
connect a tape recording unit to this input.
To use the By-pass mode, plug the front channel output of the surround sound
processor into the Tape 2 inputs. When the Tape 2 input
the signal from the processor is sent directly through the preamplifier and
by-passes the tone and volume functions. Once made a by-pass mode, the
BYPASS indicator of front panel is turned on.
Setting a system up this way provides a way to integrate a stereo amplifier
to be used as the front channels of a surround sound system. Only the Tape
2 input can provide the by-pass function. It requires no additional setup,
making it easy to switch between normal stereo mode and surround sound
mode by using the input selector.
NOTE: Rotel uses the same operating IR codes for all its audio products.
That means that in a situation where the operator will use a remote
control then it is recommended that the codes for the RR-AT98 and the
RC-1580MKII be changed.
To change the IR code of the RR-AT98, press the Phono button and
the 2 button at the same time.
To change the IR code of the RC-1580MKII, point the RR-AT98 at
the RC-1580MKII and press and hold the 2 button for 5 seconds. The
LED in the volume control will flash to indicate the IR code has changed.
ItÊs is probably easiest to choose a third party learning remote
control and teach the new source selection codes and those of the
surround sound processor in to it. Alternatively you can use the two
remote controls to operate the different systems.
NOTE: After changing the remote codes for the remote control and
the preamplifier as described above, the remote control will no longer
operate the Rotel tuners. To return the RR-AT98 IR code to the default
setting, press the Phono button and the 1 button at the same time. To
return the IR code of the RC-1580MKII to the default setting, point the
RR-AT98 at the RC-1580MKII and press and hold the 1 button for 5
seconds. The LED in the volume control will flash to indicate the IR code
has changed.
q
5 B
is selected,
Headphone Output 7
The headphone output allows you to connect headphones for private listening.
This output accepts a standard 3.5mm (1/8‰) mini stereo headphone
connector. Plugging in a set of headphones does not cut off the signal to the
preamp outputs. In most instances you should turn off the power amplifier
when listening to headphones.
NOTE: Because the sensitivity of speakers and headphones can
vary widely, always reduce the volume level before connecting or
disconnecting headphones.
Remote Sensor 3
This remote sensor window receives IR commands from the remote control.
Please do not block this sensor.
Audio Controls
Volume Control 4 D
Turn the controls clockwise to increase the volume, or counter clockwise to
decrease the volume. From the remote control press the volume + or - key
to turn the volume up or down.
Mute Button C
C
Press the MUTE
button on the remote once to turn the sound off. Press
the button again to restore previous volume levels. The LED in the volume
control will flash when the unit is muted.
NOTE: Pressing the volume buttons on the remote also cancels the muting
function.
Balance Control 0
The Balance Control adjusts the left-to-right balance of the sound output. The
factory default is the center position. In some situations, typically when the
main listening position is not ideally centered between the speakers, it may
be necessary to adjust the control to achieve proper left-to-right balance.
Turning the control counter-clockwise shifts the sound balance to the left.
Turning the control clockwise shifts the sound balance to the right.
Tone On/Off Switch 9
When the Tone Switch is in the Off (out) position the Bass and Treble Control
circuits are bypassed to ensure the purest possible sound. Leave the Tone
Switch in the Off position unless you want to use the Tone Controls. Push in
the Tone Switch if you want to adjust the Tone Controls.
Bass and Treble Controls 8
When the Tone Switch is pushed in, turning the Bass and Treble Controls
adjusts the tone balance of the sound. Turn the Controls clockwise to increase
the bass or treble output. Turn the Controls counterclockwise to decrease
the bass or treble output.
A properly setup high-performance audio system produces the most natural
sound with little or no adjustment of the tone controls. Use these controls
sparingly. Be particularly careful when turning the controls up as this
increases the power output in the bass or treble range, increasing the load
on the amplifier and speakers.
9
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