DigiTech HARDWIRE TL-2 Owner's Manual page 8

5. Mid Knob (center) - Controls the level of midrange boost/cut in
the distortion effect. Turn the knob clockwise to increase and counter-
clockwise to decrease the mid frequencies.
6. Freq knob (ring) - Controls the Midrange frequency that the Mid
knob boosts and cuts. Range is 200 Hz to 5.0 kHz.
7. Gain Knob - Controls the overall distortion gain. Turn the knob
clockwise to increase and counter-clockwise to decrease the amount of
distortion gain.
8. Voicing Switch - This switches between the Metal Distortion's two
voicings. Tight provides a punchy articulated low-end response. Loose
creates a thick heavy low end for grinding rhythm playing.
9. Input - Connect your instrument or the output of another pedal to
this jack. This jack enables battery power to the pedal when connected.
To prolong battery life, disconnect the cable from the Input jack when
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