User manual PRESONUS DEQ624

[. . . ] DEQ 624 Digital Stereo Graphic Equalizer Plus Dynamics Processing User' Manual s DEQ 624 DIGITAL PLUS STEREO E Q U A LI Z E R PROCESSOR DYNAMICS USERS MANUAL Version 1. 0 ?2001, PreSonus Audio Electronics, Incorporated. All rights reserved. WARRANTY PreSonus Limited Warranty PreSonus Audio Electronics Inc. warrants this product to be free of defects in material and workmanship for a period of one year from the date of original retail purchase. [. . . ] The Output Level meter continues to monitor processor activity in Bypass mode. 9 CONTROLS & CONNECTIO NS Gain Reduction Meter The Gain Reduction Meters of the DEQ 624 monitor the activity of both the Expander and Limiter. These 10 segment LED meters are calibrated in increments from ?dB and show the amount of Gain Reduction applied by the dynamics processors. The Gain Reduction meter continues measuring processor activity in Bypass mode. Filter ­ High Pass / Low Pass HIGH PASS FILTER The High Pass filter control is variable from 10 Hz to 410 Hz. Signals above the user-selected frequency point go through, i. e. The variable filter control can be rotated fully counter-clockwise (10Hz) to effectively take it out of the spectral range of audio. LOW PASS FILTER The Low Pass filter control is variable from 10 kHz to 20 kHz. The Low Pass filter allows signals below the user-selected frequency to pass. The 20 kHz position on the variable frequency control is located at the fully clockwise position and is labeled-Off. Intuitively the Off label is correct as the bandwidth of the DEQ 624 is 20 Hz to 20kHz, therefore, 10 CONTROLS & CONNECTIO NS selecting 20 kHz allows all frequencies from 20 kHz and below to pass through unaffected, effectively turning the Low Pass filter "Off". Expander The DEQ 624 Expander is provided to eliminate system noise. Range selection for each channel is global and is applied to all channel EQ encoders. of the DEQ 624 is divided into bandwidths of 1/3rd octave from 20 Hz to 20 kHz. The center frequencies remain unchanged while the effect on adjacent frequencies is less pronounced in HI Q. Pressing the HI Q switch lights the switch and indicates HI Q is now available to be selected. A row of 31 Red LED' labeled HI Q can be found on s the Graphic Equalizer section between the two rows of digital encoders. These are the HI Q Active indicators, which do not light unless a frequency has been selected for applying HI Q. SELECTING AND SETTING HIQ Begin by pressing the Channel A HI Q switch. This will light the Channel A HI Q switch in the Dynamics / Master Control section. This enables HI Q select /deselect mode for Channel A and disables Channel B HI Q switch and the Preset switch. Any HI Q Active LED' below any of the Channel A equalizer s encoders in the Graphic Equalizer section that have HI Q enabled will now be lit. The Graphic EQ section digital encoders are used to enable or disable HI Q. The speed at which the encoder is moved is used to select it for HI Q mode. Moving the encoder slowly does not select the encoder for HI Q but rather allows it to be read and updated normally. Moving the encoder quickly causes the Red HI Q Active LED beneath the encoder to blink and the Store / Security switch in the lower right-hand corner of the faceplate to blink. [. . . ] After you have finished, be sure that Channel A HI Q, Channel B HI Q and Preset are not engaged. To create and save the current set-up as a program in position 1, press and release the Store / Security switch. This will cause both the Store / Security switch and the Program 1 LED to blink rapidly. Next, press and hold the Store / Security switch until the Preset switch lights and the Program 1 LED stops blinking and remains ON. [. . . ]