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Yamaha DSP-A1 Owner's Manual Page 39

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The following curves show frequency characteristics when the Parametric Equalizer (PEQ) is adjusted at the indicated values.
PEQ: FRQ ........................... 1.0 kHz
GAIN ........................ +6 dB to –9 dB
PEQ: FRQ ........ 1.0 kHz to 12.7 kHz
GAIN ............................ +6 dB/–9 dB
8. PARAMETER INI (Initializing parameters on a DSP program)
You can initialize all parameter settings on a DSP program.
Note that a DSP program has two or three subprograms; all
parameters on both subprograms are initialized by this
operation.
9. MEMORY GUARD (Locking DSP parameters and other adjustments)
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.
+ 6
+ 3
0
– 3
– 6
– 9
20
50
100
200
+ 6
FREQ.
POINTS
1.0k
+ 3
1.2k
1.6k
2.0k
2.5k
0
3.2k
4.0k
5.0k
5.7k
– 3
6.3k
7.1k
8.0k
9.0k
– 6
10.1k
11.3k
12.7kH
– 9
20
50
100
200
Frequency (Hz)
Initializing method
After selecting this function (title) in step 1 on page 32, press
the + or – key to display the DSP program numbers (1 – 12). A
program number whose parameters has been changed is
marked with "
*
corresponding to the program number of which parameters
you want to initialize. When initialized, the "
disappear.
• DSP parameters
• Other functions in the "SET MENU" mode
• ON SCREEN display key
• LEVEL key
• TEST key
500
1k
2k
5k
Frequency (Hz)
500
1k
2k
5k
". Press a DSP program selector key
*
10k
20k
10k
20k
" mark will
37

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