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NOTE: If the input signal is not present at the master outputs, check the following:
• Are the master controls (10) open?
• Has the corresponding MIC/LINE input been assigned to one or both output channels? Please mind
and compare your actual setting and the selected configuration!
• Is ducking control active (see ducking indicators (9)) and does this maybe affect your input signal?
5.2.2 Level Adjustment for AUX-inputs
The four AUX-inputs are provided via two unbalanced RCA-type sockets each, which lets you connect
either one stereo signal source (e.g. CD-Player) or two monaural signal sources per input channel. For
optimally matching the signal source to the channel input, please proceed as follows:
• Set the corresponding channel control (7) on the front panel of the appliance to its counterclockwise
margin.
• Now, connect the desired audio signal source using common RCA-type cables.
• When now playing the signal source with the highest signal level (e.g. loudest passage in a musical
piece), the SIGNAL-LED has to light and/or blink in the rhythm of the music. The AUX-inputs are
factory pre-set to a nominal sensitivity of +4 dBu, which, in combination with the channel control, is
suitable for most AUX-signal sources. In case you want to connect an extremely low-output
AUX-signal source, it may happen that the green signal-LED does not light up. Additionally it is
possible that you are not able to gain the required volume level using the channel control. In these
cases setting the AUX-input’s nominal sensitivity to -6 dBu (via internal bridges) is recommended.
This measure will increase the input’s sensitivity by 10 dB. For further detail, please refer to chapter
9.1.3 “AUX Sensitivity Selection”.
• At last, the channel’s volume setting has to be achieved using the corresponding channel control (4).
Ideally, volume controls are set to a position somewhere in the area of their center mark (0 dB), leaving
you enough reserve for compensating level differences between the audio signals of various input
channels.
INITIAL OPERATION
5-2