Cat : Category; Mem : Memory Area Id; Pset : Parameter Set Number; Blk : Block Number - Casio PX-330 User Manual

16.3.6

cat : Category

Format: 0cccccccB
0cccccccB = Category (7bit)
The category indicates the categories of data handled by the System Exclusive Message. The ID number (ID) of the category
is indicated on the left, while the communication operation (Action) is indicated on the right.
Category
ID (c) Parameter Set
00H System
01H Setup
02H Patch
03H Tone
21H Music Library
A .. Available (Also including when only some parameters are available.)
F... File Information (Not the data itself. Name, size, and other file information only.)
16.3.7

mem : Memory Area ID

Format: 0mmmmmmmB
Specifies the memory area that is the object of the parameter transfer. The following are defined for this Instrument. Basically,
Instrument-specific System Exclusive messages are valid for user area data only.
mem Data Type
0 User area
1 Preset area
16.3.8

pset : Parameter Set Number

Format: LSB 0nnnnnnnB
MSB 0mmmmmmmB
This field is a 2-byte (LSB, MSB) value indicating the number of the parameter set (mmmmmmmnnnnnnnB, binary) being
transferred.
16.3.9

blk : Block Number

This supplementary number specifies which block is the object when there are multiple blocks within the same parameter set.
Format: 0iiiiiiiB (LSB)
When there are multiple parameters with the same ID inside the same category, as with the mixer channel volume setting
for example, the block number required to specify to which block data belongs is specified as: kkkkkkkjjjjjjjiiiiiiiB (Binary).
When the parameter block has a multi-dimensional array structure, bit 21 of the block number is divided into prescribed
bit fields based on the rules explained below.
Transfer
Individual Parameter
A
A
A
A
F
Meaning
Read/write enabled
Read/write disabled
0jjjjjjjB 0kkkkkkkB (MSB)
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