Overgain experiment Grave Digger 33 Plus User manual

Grave Digger 33 Plus “ Dual Boost Pedal ”
Marco Barberini Signature
INSTRUCTION
MANUAL

CHECK LAMP
ON-OFF
AC ADAPTOR JACK
INPUT JACK
OUTPUT JACK
AMP CHANNEL
SWITCHING
VOLUME
CHANNEL ONE
VOLUME
CHANNEL TWO
GAIN
TONE
CHECK LAMP
CHANNEL ONE
CHECK LAMP
CHANNEL ONE
SWITCH
CHANNEL ONE-TWO
SWITCH
CHANNEL ON-OFF

Gain: This knob control sustain time as well as distortion
depth. When turned clock-wise, distortion becomesdeeper
and sustain time longer. And when turned counter-
clockwise, distortion becomes weaker and sustain time
shorter.
Tone: This knob control tone. When turned clockwise highs
are boosted to give crisp tone and when turned counter-
clockwise lows are boosted to give soft tone.
Volume Channel One: This knob functions to compensate
for the level difference between by-pass pedal and Channel
One setting. Turning clockwise increases volume of effect
mode and counter-clockwise decreases.
Volume Channel Two: This knob functions to compensate
for the level difference between by-pass pedal and Channel
Two setting. Turning clockwise increases volume of effect
mode and counter-clockwise decreases.
Input Jack: This input jack receives output from electric
guitar and other electronic instruments.
Output Jack: This jack feeds signal to amplifier.
AC Adaptor Jack: Grave Digger 33 Plus not operate with
battery. Connect a AC Adaptor DC9v to this jack for using
pedal.
Switch ON-OFF: This is changeover switch normal or effect
with true by-pass circuit.
Switch Channel One-Two: This is changeover switch
Channel One or Channel Two.

Check lamp ON-OFF: While pedal is trod down this lamp
lights. Thus this lamp lets you confirm the changeover
between effect and normal modes.
Check lamp Channel One-Two: This is changeover channel
One or Channel Two. While select Channel One left lamp
lights orange color and while select Channel Two right lamp
lights yellow color.
Amp Channel Switching: This jack feeds signal to footswich
change amp channels when pedal is turned on amp change
to second channel and when pedal is turned off the amp
return to first channel.
Exemple to use “Amp Channel Switching”

SPECIFICATIONS
Power: AC ADaptor DC9V
Current draw: DC9V, 4mA
Controls: Gain, Tone, Level 1, Level 2, Turned On Pedal
check lamp, Change Channels check lamp
Jack: Input, Output, AC Adaptor and Output Switching
channel amp
Input impedence: 220 KOhm
Output load impedence: Over 10KOhm
Dimensions: 70(W) x 55(H) x 125(D)mm.
Weight: 400g.
*Specifications are subject to change without notice.
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