Lexicon MPX 550 manual Parameters, Output Level, Input Source, Clock Source

System Mode

Lexicon

PARAMETERS

Output Level (0 to -31dB, Off)

Sets output level attenuation within a 0 to -31dB range, or off.

Input Source

(Analog Stereo; Analog Mono L and R; S/PDIF Digital)

Selects input type. The current selection is indicated in the lower-left corner of the front panel display. "S" stands for Analog Stereo, "L" stands for Analog Mono L, "R" stands for Analog Mono R, and "D" stands for S/PDIF digital. The number following the prefix indicates the sample rate (48 or 44.1kHz). "NoD" indicates that no valid digital audio signal is present.

When set to Analog Stereo, the unit processes signals from both analog inputs. When set to Analog Mono L, the unit sends signals from the ANALOG INPUT labelled LEFT to both processor inputs. When set to Analog Mono R, the unit sends signals from the ANALOG INPUT labelled RIGHT to both processor inputs.

When set to S/PDIF Digital, the unit processes signals from the S/PDIF IN connector. If no valid digital audio signal is present, the unit will mute and an alert message will appear on the front panel display.

Note:

When the Input Source parameter is set to S/PDIF Digital, the Clock Source parameter will automatically be set to External (S/PDIF).

Clock Source

(Internal 44.1kHz and 48kHz, External (S/PDIF))

Selects the internal or external clock source for the unit. When set to Internal 44.1kHz, the unit utilizes an internal clock with a 44.1kHz sample rate. When set to Internal 48kHz, the unit utilizes an internal clock with a 48kHz sample rate. When set to External (S/PDIF), the unit utilizes the S/PDIF input signal, even if an analog source is used. "NoD" will appear in the lower-left corner of the front panel display if no valid digital input signal is present to utilize for the external clock.

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