Command/response table for special function SIS commands
The syntax for setting a special function is __ * X? #, where __ is the function number and X? is the value. To view a function’s setting, use __#, where __ is the function number. In the following table the values of the X? variable are different for each command/function. These values are given in the right column.
Command | ASCII Command | Response | X? values |
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| (host to switcher) | (switcher to host) | and additional descriptions |
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Delay times |
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Set the RGB delay | RGBDly*X? ] | 0 | = 0.0 seconds (default), 1 = 0.5 |
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| seconds, 2 = 1.0 seconds, |
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| ... in ½ second steps up to |
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| 10 = 5.0 seconds |
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Example: | 3*7# | RGBDly*07] | Example: 3.5 second RGB delay. |
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Audio settings |
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Set the preamp output mode. | 18 * X? # | PreAmpMod* X? ] | Set the line level audio |
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| (Lineout’s and Preamp’s) |
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| outputs to be either mono or |
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| stereo signals. |
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| 1 | = mono | PRELIMINARY |
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| 2 | = stereo (default) | |
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N If mono is selected, the audio signal is the same on both the left and right channels. |
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If stereo is selected, the switcher sends out different (stereo) signals on the left and right channels. |
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Set the loudness control. | 29 * X? # | Loudness*X? ] | When output volume is low, |
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| provide a +6 dB boost at 100Hz |
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| and at 10 kHz. When output |
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| volume is high, decrease the |
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| boost at those frequencies. |
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| This improves sound richness |
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| by restoring the high and low |
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| frequencies to which the ear is |
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| insensitive to at low volume |
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| levels. The effect diminishes as |
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| volume is increased. |
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| 0 | = off (default for firmware ver. |
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| 2.1 and higher) (remove boost) |
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| 1 | = on (default for firmware ver. |
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| 2.0 and lower) (turn boost on) |
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Set line level audio outputs’ levels | 40 * X? # | LineLevel*X? ] | 1 | = |
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| unbalanced output (default) |
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| 2 | = +4 dBu (+6 dBV, 1.23 Vrms), |
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| balanced output |
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N If the connector is wired for balanced output, the level is +6 dB higher than if it is wired for unbalanced output. |
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Mode selection |
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Select the Monitor Out output mode 28 * X? # | MonitorOutOpt*X? ] | See pages |
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| explanation of these modes. |
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| 1 | = mode 1 (RGB follow mode) |
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| 2 | = mode 2 (DA mode) |
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| 3 | = mode 3 (standard mode) |
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MLS 304 Series, MLS 406Series • Serial Communication |
