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Appendices ~ Appendix E: Serial Commands
55
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MASTER
This command selects or returns the current mode of the AP400
from the serial port.
[DEVICE] MASTER <X>
Explanation
<X>
X=1 Parameter to designate the AP400 as master-
single
X=3 Parameter to designate the AP400 as slave
X=4 Parameter to designate the AP400 as master-
linked
X=Null Parameter to return the current mode
Return Values
The command will return the updated condition of the mixer in
the same format as the command.
MDMODE
This command enables or disables the modem mode for the
AP400. When the modem mode is enabled, the modem
initialization string is sent out the serial port and the serial port
then requires a password before a command is processed. Note:
The default password is a carriage return (enter). If the password
is forgotten, it can be cleared back to a carriage return via the
front panel.
[DEVICE] MDMODE <X>
Explanation
<X>
X=0 Sets modem mode to OFF
X=1 Sets modem mode to ON
Return Values
The command will return the updated condition (1=On, 0=Off) of
the pin in the same format as the command.
After five minutes of serial inactivity, the password will be
requested to continue serial activity. For immediate password
protection, see BYE command (page 48).
MEQ
This command changes or reports back the state of the
equalizer adjustment for a microphone input.
[DEVICE] MEQ <CH> <BAND> <X>
Explanation
<CH>
CH= 1-4 Parameter to apply to the
specified microphone channel
CH= * Parameter to apply command to
all microphone channels
<BAND>
BAND=H, M, L Parameter to select which band
is modified
<X>
X= -12 –12 Parameter to set level of the
band
X=Null Parameter to return the current
level
Return Values
The command will return the updated condition of the
equalizer in the same format as the command.