XTA dp200 Operator's Manual

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XTA dp200 Operator's Manual Manual pdf 20 page image

DP200 Page 20High and Lowpass Filters Function ScreenEach Output has high and lowpass filters which are fully controllable in terms offilter slope and turnover frequency.Output:1 HPF∨88.4Hz Lnk/Ril 24dB1. Menu Key - Selects menu functions.2. Down and Up Keys - Moves the display backwards and forwards through thelist of available function screens for the current output.3. Chan. Flat Key - Allows all the equaliser sections apart from the high andlowpass filters to be bypassed for the current channel. The LED shows thestatus of the current channel. The overall channel gain control may be set to0dB by this action if required, by selecting the 'Gain Bypass Option' (see menuoptions).4. Scroll Key - Scrolls the screen through the available channels for the currentconfiguration.5. Output - Shows current output channel. A '+' sign indicates a 'ganged' pair.6. Type - The filter type: Highpass (HPF) or Lowpass (LPF).7. Frequency - The turnover frequency for current output channel. For Bessel andButterworth types this is the 3dB point, for Linkwitz-Riley the 6dB point.8. Filter type and slope - Available filters are Bessel and Butterworth 12/18/24dBper octave and Linkwitz-Riley 24dB per octave.9. Frequency Control - Adjusts the turnover frequency of the filter. For highpassfilters this ranges from 10Hz to 16kHz and for the lowpass 60Hz to 22kHz. Oneach output the unit will not allow the high and lowpass filters to overlap(highpass greater than lowpass), attempting to do so will cause the unit to flashthe message 'High / Low Conflict'.10. Q Control - Adjusts the filter type (see 8).45 683 721 9 10