The Line Out provides line-level output for devices other than QSC DataPort amplifiers. The Line Out converts the processed digital signal to analog and provides software controls before and after the D/A convertor. Connections are made using two three-terminal Euro style connectors.
There are no adjustable properties for the Line Out card. However, when the component is selected, you can select some of the Properties available for the entire component. For an explanation of these properties refer to the IO/22 Status topic.
Each control listed in the Analog and Digital sections, are one per channel.
Control |
Function |
Default / Range |
---|---|---|
Amplifier |
Turns the I/O-22 amplifier on or off for the Speaker output on the I/O-22 hardware. The Speaker output is on Channel 2 only. The amplifier provides a powered output to the "SPEAKER" connector. A line-level output is provided on the "LINE OUT 2" connector. Turning this on or off has no effect on the LINE OUT 2 on the hardware. |
Off / On |
Limiter Active |
This LED is illuminated if the Limiter is active. |
Off / On |
Control |
Function |
Default / Range |
---|---|---|
Peak Output Level (dBu) |
Measures Peak Output level to the output device |
Range = 20dB to -100dB |
Relay Mute |
Mutes the output after the D-A converter and before the output. In addition, the amplifier is turned off. |
Off / On |
Max RMS Output Level (dBu) |
Controls the analog RMS output level after the D/A converter. This level is typically set slightly lower than the destination's sensitivity or maximum input level in order to avoid clipping the signal of a power amplifier. Varies in direct proportion with Output Gain. |
Default = +10 Range = -10 to +10 |
Output Gain (dB) |
The amount of gain applied to the outgoing analog signal. Varies in direct proportion with the Max RMS Output Level. |
Default = 0 Range = -20 to 0 |
Control |
Function |
Default / Range |
---|---|---|
Peak Output Level (dBFS) |
Measures the Digital Signal level prior to the D/A converter. |
Green = good Yellow = close to clipping Red = clipping |
Clip |
Red LED indicating if the signal is being clipped. |
Off / On |
Clip Hold |
Holds the clip indication until manually cleared. |
Off / On |
Invert |
Inverts the audio signal. |
Off / On |
Mute |
Mutes the digital audio signal. |
Off / On |
Gain |
Controls the gain of the digital audio signal prior to the D/A converter. |
Default = 21 Range = -10 to +21 |
Control |
Function |
Default / Range |
---|---|---|
Status LED |
This LED changes color to indicate the current status of the I/O-22 Output. See Status for the meanings of the various colors. |
N / A |
Status |
Displays the current text and color status of the component:
|
N / A |
Pin Name |
Value |
String |
Position |
Pins Available |
---|---|---|---|---|
Analog Level |
-120 to 24 |
-120dB to 24dB |
0.000 to 1.00 |
Output |
Clip (LED) |
0 1 |
false true |
0 1 |
Output |
Clip Hold |
0 1 |
false true |
0 1 |
Input / Output |
Digital Level |
-120 to 43 |
-120dB to 43dB |
0.000 to 1.00 |
Output |
Gain |
-100 to 20 |
-100dB to 20dB |
0.000 to 1.00 |
Input / Output |
Invert |
0 1 |
normal invert |
0 1 |
Input / Output |
Max Level |
-40 to 21 |
-40.0dBu to +21dBu |
0 to .988 |
Input / Output |
Mute |
0 1 |
unmute mute |
0 1 |
Input / Output |
Output Gain |
-31 to 0 |
-31 dB to 0 dB |
0.000 to 1.00 |
Input / Output |
Output Mute |
0 1 |
unmute mute |
0 1 |
Input / Output |
Status |
0 1 2 3 4 |
OK (green) Compromised (orange) Fault (red) Unknown (red) Updating (blue) |
0 0.250 0.500 0.750 1.00 |
Output |
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