Pioneer V8000 Command Reference Manual page 57

DVD-V8000 has the 26 internal parameters(parameter A,B,C, ･ ･ ･ ,Z) and has the
to operate the parameters as below.
commands
command to substitute value for the parameter
command to read the parameter
command to refer the parameter
The ranges of the value which can be substituted for the parameter A - Z are 0 -
99999999.
Function : Substitute value for the parameter
Format : Integer>A
Integer>B
Integer>Z
Function : Refer the parameter
Format : _A
_B
_Z
Function : Return value of the parameter
Format : <A
<B
<Z
Substitute for parameter A
Substitute for parameter B
･･････････
Substitute for parameter Z
Refer parameter A
Refer parameter B
・・・・・・・・・・
Refer parameter Z
Return value of parameter A
Return value of parameter B
・・・・・・・・・・
Return value of parameter C
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Operating Modes