Yamaha DSP-A1 Owner's Manual page 39

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
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