Korg SDD-3000 PEDAL - Input Section Controls; Input Attenuator and Level Adjustment; Headroom Indicator Function

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2. INPUT
LEVEL knob
1. INPUT
ATTENUATOR
switch
1. HEADROOM
indicator
2. INPUT
1. INPUT ATTENUATOR switch
Adjust this switch according to
the output level of the device
that’s connected.
–30dB: Single-coil electric guitars
and instruments with a low
output.
–10dB: Electric guitars, synthe-
sizers and other audio equip-
ment.
+4dB: PA mixers and other
professional audio equipment.
3. HEADROOM
1. HEADROOM indicator
This meter is used to check
the input level of the signal
that’s being sent to the
SDD-3000 PEDAL.
Improperly seing the input
level may result in distortion
or a poor S/N ratio.
With the volume set to the
maximum, adjust the INPUT
LEVEL knob until the input
signal is not clipping.
2. INPUT LEVEL knob
While checking the level shown
by the HEADROOM indicator,
use this knob to adjust the input
level. Be sure not to increase
the level too much, otherwise
distortion may result.