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Yamaha DSP-A990 Manual

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27
English
2. Adjusting Center Channel Graphic Equalizer (CENTER
GEQ)
The built-in five band graphic equalizer is used to tailor, over a
±6 dB range, the overall output frequency response of the center
channel. The five bands cover the complete audible sound
spectrum and are centered on 100 Hz, 300 Hz, 1 kHz, 3 kHz and
10 kHz frequencies. Adjustment should be done to each frequency
individually.
Adjusting method
After selecting the item (title) in step 2 on the previous page,
press the Parameter + or – key on the remote control to display
the condition of the equalizer. Then select a frequency with the
Parameter Select keys on the remote control and adjust its level
with the Parameter +/– keys.
3. Initializing parameters on a DSP program (PARAMETER
INIT)
You can initialize all parameter settings on a DSP program.
Note that a DSP program (except CHURCH) has two sub-
programs; all parameters on both sub-programs are initialized by
this operation.
Initializing method
After selecting this item (title) in step 2 on page 26, press the
Parameter + or – key to display the DSP program numbers (1 –
12). A program number whose parameters has been changed is
marked with “
*
”. Press a Program Select Key corresponding to the
program number of which parameters you want to initialize. When
initialized, the “
*
” mark will disappear.
4. Locking DSP parameters and other adjustments
(MEMORY GUARD)
If you wish to prevent accidental alteration to DSP parameters
or other adjustments on this unit, select “ON”. In this position, they
are locked and cannot be changed.The following functions on this
unit can be locked by this operation.
• DSP parameters
• Other items in the “SET MENU” mode
(CENTER MODE/CENTER GEQ/PARAMETER INIT/INPUT
LVL TRIM)
• ON SCREEN display key
• INPUT TRIM control
• FRONT, REAR and CENTER level +/– keys
• TEST switch
5. Input level adjustment (INPUT LVL TRIM)
This function is provided for all input sources. It can be
controlled from 0 to +6 dB in 2 dB steps.The sound level of each
input source should be the same as that of regular CDs.
To adjust the input level, either press the INPUT TRIM control
on the front panel (see page 25), or select the “5. INPUT LVL
TRIM” in step 2 on page 26.
… 29 …


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