Usingthe Factory Preset Data; Loading From Memory; Hum Canceling - Roland SN- 700 Owner's Manual

Noise/hum eliminator
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Usingthe factory preset data
When using the SN-700's Auto function, you can set the
configuration parameters as appropriate for your setup and
for the type of noise, so that hum and noise are removed most
effectively. However, in this section, we will explain how to
remove hum and noise using factory preset settings for the
configuration parameters.
Loading
from memory
Here's how to load a factory preset from memory.
(Procedure)
EB
#
2 (Rotating)
1
3 (Pressing)
4 (Rotating)
1. Press [SYSTEM].
The button indicator will light, and the display will
change.
2. Rotate the VALUE knob so that the following param-
eter (Load) appears in the display.
3. Press the VALUE knob. The following display will
appear, and you can now select the memory that you
wish to load.
# 12S TAHDARD
4, Rotate the VALUE knob to select the desired Patch
number.
In this example, select patch number 1, "STANDARD."
5. Press [EDIT], and the contents of Patch number 1
"STANDARD" will be loaded.
712 ~~ Easy operation
Hum canceling
Here we will use the Auto function with the configuration
parameter settings of the "STANDARD"
factory preset to
remove hum from the input signal.
The Auto function will detect the frequency of the power
supply line, automatically detect the hum level, make param-
eter settings, and turn on hum canceling. To remove the hum,
all you have to do is simply press the Auto button.
VALUES
NOUNE CANCEL
PLEA RARAMETEN
1. Input hum and noise into the SN-700.
Since the frequency and level of the hum will be auto-
matically detected, input just the hum and noise that
occurs in a situation of normal use.
2. Pressthe Auto button [HUM;AUTO-A] or [HUM;AUTO-
B] for the channel to which you want to apply hum
canceling.
When you press the Auto button, the frequency of the
power supply line and hum level will be detected, and the
parameter settings required for canceling the hum will be
made automatically.
When the settings are complete, the indicator of the
channel button that you pressed ([HUM;AUTO-A],
{[HUM;AUTO-B]) will light, and hum canceling will
operate.
To switch hum canceling on/off, use the channel buttons
({HUM;CH-A], [HUM;CH-B]). The indicator of the chan-
nel button will be lit when that channel is on and dark
when it is off.
The parameters which were set by the Auto function can
be modified manually. (For pararneter settings, refer to
p.15.)

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