DAPAudio EQ-2231, Manual

Page: 6 / 11

4
Description of the device
Features
The EQ-2231 is a professional equalizer:
• 2x XLR Input and 2x XLR Output
• By Pass LED
• Output Signal VU Meter
• 40 - 400 Hz variable Hi-pass filter, 18 dB / Oct.
• Input Level Control
Overview
1. Power Switch
Use this button to switch your equalizer on.
2. "POWER" Indicator
This indicator lights when the equalizer is switched on.
3. Increase / Reduce Fader
Of the 31 bands, each fader controls each band increase / reduce filter signal level. The maximum
increase / reduce of its central frequency is ± 15 dB. When the signal level has been adjusted, the curve
of the attenuator is the EQ’s frequency response.
NOTE: When adjusting, the level between neighboring frequency points, there should not be a wide
discrepancy, it shouldn’t exceed 3 dB.
4. Output Signal VU Meter
This meter is a multi-step LED; The green LED shows –20, -15, -10, 0, +10dB, orange LED shows
+15dB and red LED shows +20dB. The accurate level indication allows you to monitor the output signal
level at anytime and match it with back-step equipment.
5. High-Pass
If you push the “Filter” button, it connects to the filter. You can adjust the cut-off frequency of the
high-pass filter. The range is fully adjustable from 40-400Hz. You can use it as a variable subsonic filter
and a low frequency filter.
6. By Pass Button
When you press this button, all the adjustments you made with the faders are unavailable, except the
input gain control. It is convenient for the soundman to compare the signal before and after equalizing.
The circuit bypasses the signal directly from the input channel though relay to the output channel. The
indicator lights when the BY PASS function is available.
7. Output Clip LED