Level Knob
The Level control knob adjusts the pedal’s final output volume.
Jewel Indicator
The Jewel Indicator shows when the distortion effect is active.
Bypass Footswitch
This rugged footswitch is used to bypass the effect (true-bypass
design).
Input Jack
This is a high-impedance input suitable for electric guitar, bass,
acoustic guitars with pickup systems, keyboards and other instruments.
Output Jack
This is a low-impedance output jack that connects to the amp or to the
next effect pedal in the signal chain.
DC Power Connector
This is a standard center-negative 9VDC jack for use with appropriate
power supplies.
LED Kill Switch
This switch extinguishes the LEDs that illuminate the knobs—useful in
maximizing battery life when running the pedal from batteries.
Low Battery Indicator
This red LED on the front of the battery door illuminates when battery
voltage drops below a set threshold, indicating that the battery should
be replaced soon.