Connections, controls, and indicators – LD Systems HPA 6 User Manual

Page 6

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CONNECTIONS,

CONTROLS, AND INDICATORS:

FRONT PANEL

The appearance and functions of channels CH1 to CH6 are identical.

1

MAIN LEVEL
Volume control for the stereo line input MAIN INPUT LEFT and RIGHT (rear panel). Connect a source device (e.g.
mixer) to the XLR or jack connectors of the line input and begin playback of an audio signal. In order to obtain
the optimum signal to noise ratio, using the MAIN LEVEL volume control, set the audio signal so that the LEDs of
the LED chain (No. 3) light up between 0 dBu and 12 dBu. It is not critical if the LED lights briefly at peak levels
for the incoming signal, however continuous illumination should be avoided by reducing the volume.

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