Controls And Connectors - Roland BA-330 Owner's Manual

Controls and connectors

Control panel
CH1, CH only (monaural)
[MIC/INSTRUMENT]
switch
Set this to the appropriate position according to
whether a microphone or an instrument (a line-
output device) is connected to CH1 and CH2.
Microphone: Set to "MIC"
Instrument: Set to "INSTRUMENT"
CH1, CH (monaural)
CH3/CH , CH5/CH (stereo)
[TONE] knob
This adjusts the tone of the instrument connect-
ed to each channel. Turning the knob toward
the right makes the tone brighter.
[EFFECT] switch
Turning this "ON" allows the reverb, delay, or wide
e ect to be applied to the channel.
CH [VOLUME] knob
This adjusts the volume of the device connected
to each channel.
Turning the knob toward the right increases the
volume.
* The level knobs of unused channels should be
set to "0. "
Internal speakers overall
[EFFECT] knob
This knob selects the
e ect type and adjusts
its depth for channels
whose [EFFECT] switch
is "ON. "
E ect type
REVERB
This produces the pleasant reverberation that
accompanies a performance in a concert hall.
DELAY
This produces an echo-like e ect by delaying
the sound.
WIDE
This extends the sound eld to the outer edge
of the speakers, producing the sensation of be-
ing surrounded by sound.
10
CH3/CH , CH5/CH (stereo)
CH3/CH4 and CH5/CH6 are stereo.
Connect the following
equipment
• Keyboards
• Line-level devices
• Guitars
• CD players
• Portable audio players, etc.
EQUALIZER
This lets you adjust the tone
by boosting or cutting the
low and high ranges inde-
pendently.
[LOW] knob
This adjusts the low-fre-
quency tone.
[HIGH] knob
This adjusts the high-fre-
quency tone.
MASTER [VOLUME] knob
This adjusts the overall
volume of the output from
the BA-330's speakers.
CH1, CH only
[ANTI-FEEDBACK] switch
Acoustic feedback will be
suppressed if this is "ON. "
For more about the anti-
feedback function, refer to
"Eliminating feedback" (p. 14).
Power supply related
[BATTERY CHECK/MUTE] switch
When switched on, the
indicator blinks, and
sound will no longer be
produced from the
BA-330's speakers or
from LINE OUT.
BATTERY indicator
When you press the
[CHECK/MUTE] switch,
this indicator shows the
amount of power re-
maining in the batteries.
* The remaining battery power
indication is only an approximation.
Full charge Light
Blink
Light out
[OUTPUT POWER] switch
If this is set to "ECO, "
the volume from the
BA-330's speakers will
be reduced, allowing
extended use when run-
ning on batteries.
With the "ECO" setting,
the maximum output
will be 15W.
[POWER] switch
This turns the BA-330's
power on/o .
When this is on, the
POWER indicator will light.
Low charge
Please insert
new batteries.