How to UseAn EXP3x Line Output block represents the audio and processing sent to one channel of an EXP3x expansion unit. The block provides the digital signal processing typically needed for audio outputs.
- Click the Processing tab to open the Processing Workspace.
- In the palette area, click the I/O tab.
- In the palette, find the EXP3x device you want and then the Analog Output Ports (Line) category. Click and drag the Zone Output channel block that you want to use into your Processing Map.
- When you release the mouse to drop the block onto the processing map, Halogen displays a dialog that allows you to select the type of block you want. In this case, select Line Output and click OK.
- (Optional) Customize the block name, input name, and/or channel name by clicking the current name and then typing the custom name in the text box that appears. Click the X to save the name.
note: An EXP3x does not appear in the I/O palette until it has been added to the system in the Hardware Workspace.
- Open the Line Output block's properties by double-clicking the block or hovering and clicking the properties icon that appears in the upper right of the block's title bar. The properties include the following:
- a Compressor block that provides the dynamics processing for the output.
- a Parametric EQ block (5-band PEQ) that allows you to adjust the output's frequency response.
- an Line Output block, allowing you to set the nominal volume of the audio output.
- Open the Compressor block's properties by double-clicking the block or hovering and clicking the properties icon that appears in the upper right of the block's title bar. This block is identical to the Compressor block in the HAL1x. For details on how to use and configure this block see Compressor.
- Open the 5-band PEQ block's properties by double-clicking the block or hovering and clicking the properties icon that appears in the upper right of the block's title bar. This block is identical to the Parametric EQ block in the HAL1x, except that the number of bell filters is fixed at 5. For details on how to use and configure this block see Parametric EQ Filter.
- Open the Line Output block's properties by double-clicking the block or hovering and clicking the properties icon that appears in the upper right of the block's title bar.
- Set the volume of the block's output by adjusting the Gain slider or entering a value in the edit box.
- Provide volume control to end users by linking one or more DR1 or DR3 level controls to the block's Level Gain control. You can limit the range of end user volume control by adjusting the minimum and maximum values at either end of the level control. For example, to give the end user 24 dB of attenuation, set the minimum to -24 dB and the maximum to 0 dB. To change these values, click the minimum or maximum value displayed below the slider. An edit box displays in which you can set the Minimum and Maximum parameter values.
- Cause the audio to mute completely when dialed to the low end of its range by selecting the Off @ Min checkbox. Using the example range described above, checking Off @ Min provides continuous volume control from 0 dB to -23.9 dB and then mutes the audio completely.
Invert signal polarity to correct wiring errors implemented by accident or on purpose by unsuspecting installers or uninformed manufacturers. We still recommend fixing such wiring errors when they’re encountered, so future generations will look back on your installation as the ultimate example of truth, justice and proper polarity.
- Mute the output channel—without changing the specified Gain value—by selecting the block's Mute checkbox. You can provide end users with control over this Mute parameter by linking the block's Mute control to a Logic In, DR2, or DR3 Toggle control.
- View meter data for the output signal.
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