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Resumen del manual
5. Bypass Switch This switch functions as a true hardware bypass – that is, it directly connects the unit’s inputs and outputs, and is therefore useful in the event of a power outage. The Bypass Switch is useful for quick comparison of the original sound with EQ’ed sound. In the GEQ-2231D, two independent Bypass switches are provided. 6. Limiter Link Switch (GEQ-2231D only) This switch will couple the peak limiter modules in both channels of the GEQ- 2231D for stereo operation. The limiter circuitry in each channel still functions independently, but the higher gain reduction is applied synchronously to both channels. When Limiter Link is deactivated, both channels function independently, in dual- mono mode. 7. Channel Link Switch (GEQ-2231D only) This switch will allow the GEQ-2231D to function in stereo mode. When the Channel Link Switch is activated, the integrated LED will light, and the tone control and limiter functions of both channels will function synchronously. The lower row of controls is deactivated, with all EQ functions governed by the upper row of controls, and the Limiter Link Switch (6) is automatically activated. 8. Low-Cut Filter Frequency Control This knob controls the range of the low-cut filter, from approximately 12.5Hz to 200Hz. The filter is designed to aid in cutting unwanted low frequencies, such as rumbles and wind noise, while leaving other frequencies unaffected. When the filter is activated the associated LED lights. Rotating the knob to the Off position removes the filter completely from the signal path. The GEQ-1231D has only one low-cut filter control for both channels, while the GEQ-2231D provides independent controls for each channel. 9. High-Cut Filter Frequency Control This knob controls the range of the high-cut filter, from approximately 3.3kHz to 29.5kHz. The filter is designed to aid in cutting unwanted high frequencies, such as hiss and noise from other equipment, while leaving other frequencies unaffected. When the filter is activated the associated LED lights. Rotating the knob to the Off position removes the filter completely from the signal path. The GEQ-1231D has only one high-cut filter control for both channels, while the GEQ-2231D provides independent controls for each channel. 10. Limiter (Threshold) Control This knob controls the Threshold level of the integrated peak limiter circuitry. The GEQ-1231D/2231D is equipped with a state-of-the-art digital peak limiter, utilizing look-ahead circuitry, soft clipping function and automatic, source-dependent attack and release time calculation to maximize its effectiveness in critical dynamic usage. The Threshold level can be set within a range of 0dB to +19dB, referenced to the output level. When the signal peak exceeds the threshold, the gain will be decreased to avoid overload and clipping. Rotating the Threshold level to the extreme right position will switch off the limiter circuitry. A soft-clipping function is provided after the limiter circuitry, providing a much smoother limiting function more closely resembling an analog limiter. It is activated when very sharp (usually non-audio) transients such as clicks and spikes appear at the unit’s inputs. Its operation is indicated by the Out Clip LED (12). The GEQ-2213D is equipped with two independent Threshold controls, while the GEQ-1231D utilizes a single control for both channels. 11. Gain Reduction Meter The Gain Reduction Meter monitors the activity of the limiter, displaying the degree of attenuation. For best performance do not allow reduction to exceed – 3dB. 12. Out Clip Indicator This LED lights when the output signal has reached the soft clipping threshold beginning at –1dB, typically corresponding to 19dBu on the analog outputs. While occasional flashing of this indicator is acceptable, frequent or steady lighting indicates clipping, in which case it is advisable to lower the input gain or raise the limiter threshold. 13. Power Switch This switch is used to switch the unit on and off. When the unit is on, the integrated Power Indicator LED is lit. Rear Panel Controls 1. XLR Input Connectors Balanced three-pin XLR connectors. 2. TRS Input Connectors Balanced three-conductor 1/4" TRS connectors. 3. Input Ground Lift Switch In the Lift position this switch is useful in eliminating ground loops and other electrically induced hum from equipment connected to the unit’s inputs. 4. XLR Output Connectors Balanced three-pin XLR connectors. 5. TRS Output Connectors Balanced three-conductor 1/4" TRS connectors. 6. Output Ground Lift Switch In the Lift position this switch is useful in eliminating ground loops and other electrically induced hum from equipment connected to the unit’s outputs. 7. AC Power Input Connect a standard three-pin AC cable to this connector. 8. Dip Switch Selector The four-bit DIP Switch provides additional features to tailor the unit to a specific system environment. Bits 1 through 3 address output gain attenuation and unity- gain mode. Bi...
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