Installation guide

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• View - this selects between Impulse-response, Frequency-response, Phase-response
and Group Delay Response.
• Markers - this adds horizontal, vertical or both markers to the chart. These markers can
be moved in order to determine the difference in frequency / phase / gain between two
points on the chart. With Both chosen, vertical dashed lines are added to the chart, with a
marker on each to indicate horizontal position. When a plot line is selected (by clicking on
the line) the horizontal markers snap to the plot line. In the calibration charts, the
horizontal and / or vertical differences between the markers are displayed in the top right
corner of the chart.
• Properties - this function only works in the Parametric EQ chart, when an EQ point has been
added to the EQ. It allows you to edit the Frequency, Gain, Q and Bandwidth of the EQ point.
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Once the profiles are loaded into the PDC and the inputs and outputs of the PDC are connected
correctly, the PDC is ready to correct your speakers. Whilst the PC is connected to the PDC, the
IO Manager can be used to control the PDC in real-time and to display the current PDC setup.
Click on the icon to open the IO Manager.
The IO Manager can be used to switch between inputs, switch between profiles, adjust the
master volume and fine tune the volume of individual outputs. For example, if you have main
speakers working in conjunction with subwoofers, you can adjust the volume of the subwoofers
relative to the main speakers by changing the level of L1 and R1 – refer to the figure below.
If the PDC has a configuration loaded, the current configuration parameters will be displayed. 133