Matrix Audio MRC-8e - RS 232 Interface Specifications & Command Reference

Matrix Audio Designs
41
RS 232 Interface Specifications & Command Reference
RS232 Com Port.
9 Pin D Connector (Female)
DTE configuration.
Transmit Pin 2
Receive Pin 3
Ground Pin 5
4800 Baud, Asynchronous, 8 Data bits,No Parity,No Handshake
• Commands must be in UPPERCASE • Valid Commands do not require CR/LF
•Valid Commands are confirmed with“OK” • Invalid commands are responded to with“ERR”
Command
Zone Power
All Zones
Power
Source Select
Function
Numeric
Volume
Volume Step
Parameters
x=Zone:Valid range 1-8
y=State: D=OFF
1=ON
y=state: 0=OFF
1=ON
x=Zone: Valid Range 1-8
y=State: Valid Range 1-4
x=Zone:Valid Range 1-8
y=State: F=>>
R=<<
S=pause/stop
x=Zone:Valid Range 1-8
y=Number: Valid Range
1-9,0,A,B
X=Zone: Valid Range 1-8
yy=Volume Setting:
Valid Range 00-31
x=Zone:Valid Range 1-8
Comments
Similar to pushing
the“ON”button on
the remote keypad.
This will power-up/
down
the specified zone.
Similar to holding
the ON key at a
remote keypad.
This will power-
up/down all zones
Similar to selecting
one of the 4 source
keys from the
remote keypad.
Similar to selecting
one of the >>,<<,
||,keys from the
remote keypad.
Similar to selecting
functions on the right
hand side of a KP-22
00 =Mini
05 =Normal
15 =Moderate
20 =Loud
31 =Maximum
Increases or
decreases volume
level by 1 relative to it’s
current setting
Syntax
Zxy
ZAy
Sxy
Fxy
Nxy
Vxyy
Vx++
Vx--