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2-Series

Section 2 - Operating Controls

Front Panels

131s- Single Channel 31 Band Graphic EQ

215s- Dual Channel 15 Band Graphic EQ

231s- Dual Channel 31 Band Graphic EQ

Input Gain Control

This control sets the signal level to the equalizer. It is capable of -12 dB to +12 dB of

gain. Its effect is apparent by viewing the OUTPUT LEVEL BAR GRAPH.

EQ Bypass

This switch removes the graphic equalizer section from the signal path. The BYPASS

switch does not, however, affect the INPUT GAIN, or LOW CUT filters.

EQ Bypass LED

This red LED lights when the EQ is in bypass mode. Note that bypass mode only effects

the graphic equalizer section of the 2 Series EQs. The input gain and and low cut con-

trols remain unaffected when the EQ is bypassed.

Boost/Cut Range Selection Switch and LEDs

Output Level Bar Graph

These four LEDs indicate output level of the equalizer. The red LED is 3 dB below clip-

ping and is marked as +18 dBu. It monitors the level at the output of the equalizer

after all other processing.

Clip LED

This LED lights whenever any internal signal level reaches 3 dB below clipping which

may occur when any of the following happen: 1) the input signal is "hotter" than +18

dBu, 2) excessive gain is applied by the input gain control, or 3) excessive boost is

applied using the frequency sliders.

Frequency Band Slider Controls

the sliders are in the center detented position the output of the equalizer is flat. The

User Manual