10
Command details
Some commands have a parameter that select a channel, DCA group or user fader. These parameters are
called the “channel selection parameter.” The relationship between the M-400’s channels and channel
selection parameters are shown below.
1.
Input channels
M-400 channels: CH1, CH2, ... CH48
Channel Selection Parameter:
I1, I2, ... I48
2. Output channels
M-400 channels: AUX1, AUX2, ... AUX16, MAIN L, MAIN R
Channel SelectionParameter: AX1, AX2, ... AX16, MAL, MAR
3. DCA groups
M-400 groups: DCA1, DCA2, ... DCA8
Channel Selection Parameter: DCA1, DCA2, ... DCA8
4. USER FADER
M-400 faders: USER1, USER2, ... USER24
Channel SelectionParameter: U1, U2, ... U24
The following three types of commands are sent from an external device to the M-400.
1. Control (execution) commands
These commands are used to adjust the volume and to make various settings.
2. Request commands
These commands are used to check the current state of the M-400’s settings.
* After performing a control operation, you should use a request command to check the state of the settings.
3. Reply commands
Commands such as “ack” and “ERR” are in this category.
These commands are used to reply to the M-400 when a request command is used.
Channel selection parameters
Commands sent from the control computer to the M-400
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