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Audio Controls
Volume Controls
5
and
C
The front panel Volume control
5
increases or decreases the volume
in both channels at the same time. Turn it clockwise to increase the
volume or counterclockwise to decrease the volume. On the RR-AT94
remote use the Volume + and – buttons
C
to increase or decrease the
volume level.
Mute Button
A
Remote Only
Push 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
6
The Balance Control adjusts the left-to-right balance of the sound
output. Normally the control should be in 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
4
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
3
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 set up 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 (clockwise). This increases the power output in the bass or
treble range, increasing the load on the amplifier and speakers.
Listening Selector Controls
8B
Turn the front panel control
8
, or press one of the remote control
buttons
B
, to select the input signal that goes to the main outputs and
to the power amplifier – or, more simply, which source is heard.
12V Trigger Connections
y
Many Rotel amplifiers offer the option of turning them on and off using
a 12 volt trigger signal sent to them. The RC-1550 provides a 12 volt
trigger output to take advantage of this feature. When the RC-1550
is turned on, a 12 volt DC signal is sent to the amplifier to turn them
on. When the RC-1550 is put in STANDBY mode, the trigger signal is
interrupted and the amplifiers turn off.
To use the remote turn on feature, connect the RC-1550 12V TRIGGER
OUT jack to the 12 volt trigger input of a Rotel amplifier, using a cable
with mono 3.5 mm mini-plugs on both ends. The +12 V DC signal
appears at the “tip” connector.
Phones Output
0
The Phones output allows you to connect headphones for private
listening. This output accommodates standard
1
/8” stereo mini plugs.
If your headphones have a
1
/4” plug you will need an adapter plug.
Contact your authorized Rotel dealer, to get the correct adapter plug.
Note: Plugging in a set of headphones does not cut off the signal to
the outputs. In most instances you should turn off the power amplifier
when listening to headphones.
Media Player Input
9
A 3.5mm (1/8”) stereo input socket for a “Media Player” is
provided on the front of the RC-1550. To select it, turn the front panel
LISTENING control
8
to AUX or press the AUX 1 button
B
on the
RR-AT94 remote control.
Any portable stereo cassette, compact disc player or hard disc
playback device can be connected via this input. If the Media Player
input is connected to the headphone outputs of the player note that
you may need to adjust the volume control on the player for sound to
be heard. If the sound is loud and distorted turn down the volume on
the player. If the sound is not loud enough, even when the RC-1550
volume control is turned up fairly high, then carefully turn up the
volume control on the player.
Note: When the 3.5mm (mini jack) is inserted into the Media Player
socket the rear input called AUX is disconnected. Removing the 3.5mm
plug from the Media player socket will allow the rear AUX input to
function.