Yamaha DSP-A990 - Manual (Page 27)

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English
INPUT LEVEL ADJUSTMENT
This adjustment is important for obtaining the best performance
from the internal circuits of this unit. The optimum input level of this
unit is pre-adjusted on the basis of the CD source level. This
adjustment should be performed on all input sources in your system
respectively, so that their levels match the CD source level as closely
as possible.
1. Select the CD source.
2. Play the source.
3. Increase the setting of the master VOLUME control to a
convenient listening level (you will use this as your “reference” level).
4. Select any other source in your system (VCR, tuner, etc.) and
play that source.
5. Adjust the level of the source to be approximately equal to your
CD player’s “reference” level by using the INPUT TRIM control.
* This adjustment can also be done with the remote control unit.
For using the remote control unit, refer to “5. Input level
adjustment (INPUT LVL TRIM)” on page 27.
6. In the same way, adjust levels of other sources.
NOTE: The adjustments will be saved until it is readjusted.
PHONO
TV/DBS
INPUT SELECTOR VCR I CD LD
CD
MASTER
VOLUME
PHONO
TV/DBS
INPUT SELECTOR VCR I CD LD
TUNER
Front panel Remote control
or
Front panel
Front panel
Remote control
or
Front panel Remote control
or