Adjust the EQ/Tune the Cabinets
As an option,you may also want to modify each channel’s EQ center frequencies (Bass,Midrange,and
Treble found in the TONE row) and adjust the resonance for the American 2x12 and the British 4x12
Cabinets. To access the EQ center frequency settings and Cabinet tuning, do the following:
1. Select the amp channel that you would like to edit by pressing either the CHAN ONE EQ Amp
Control button or the CHAN TWO EQ Amp Control button.
2. Press the STATUS button to turn the EQ on and off.
3. Rotate Knob 1 to adjust the Cabinet Tuning resonance. The Cabinet Tuning ranges are from -
1™0
(one octave below) to 1™0 (one octave above).
4. Rotate Knob 2 to select the Bass center frequency. The range is from 50 Hz (
50 HZ) to 300 Hz
(
300 HZ).
5. Rotate Knob 3 to select the Midrange center frequency. The range is from 300 Hz (
300 HZ) to 5000
Hz (
5000 HZ).
6. Rotate Knob 4 to select the Treble center frequency. The range is from 500 Hz (
500 HZ) to 8000 Hz
(
8000 HZ).
7. Rotate Knob 5 boosts or cuts the Presence Level. The range is from -12 dB (-
12) to +12 dB (12).
1. Press either the CHAN ONE EQ
or CHAN TWO EQ Amp Control Button
2. Press the Status Button
To Turn the EQ On and Off
3, 4, 5, Rotate Parameter Knobs to Adjust
6, 7. Cabinet Tuning,EQ Center
Frequencies, and Presence Level
1. Press the Status Button
Until Display Reads CH2 AMP
and All LEDs Light Red
2, 3, 4, Rotate Parameter Knobs to Adjust
5, 6. Channel 2's Gain, EQ Level,
and Amp Level
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