Yamaha DSP-A970 Operation Manual page 28

3. Initializing parameters on a DSP program (PARAMETER
INIT)
You can initialize all edited parameters 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.
Operating procedure
After selecting this item (title) in step 2 on page 24, 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 setting/adjustment 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
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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 23), or select the "5. INPUT LVL TRIM" in
step 2 on page 24.