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24 Audio Authority AVAtrix User Manual
Audio Authority AVAtrix User Manual 25
About Address Terminology
A “row” or row letter refers to a six-output array, either the internal Cat 5 outputs on the AVX-562 or an 1176
expander. The AVX-562 row is always addressed “A” and other 1176 expanders should be addressed in order
as shown above. “Column” refers to the zone number as labeled on the AVAtrix or 1176 expander.
General Commands (Abbreviated)
These commands can be used at any time during
operation of the AVAtrix to change the state of selected
settings. NOTE: Alpha characters are not case-sensi-
tive. ASCII codes not specied are ignored (i.e. control
codes, unused alphanumeric characters, etc.).
Source Selection Commands (Abbreviated)
Assign or change input sources to the AVAtrix main (local) output, any individual Cat 5 zone output, zone
groups, or all zones. In the “Command” column below, actual commands are shown in upper case, and vari-
ables are represented by lower case bold characters (commands are not case-sensitive).
Command Name Description Variables
Zwxy Select Zone Assign Source y to an individual zone wx
Gzy Select Group Assign Source y to all zones in a group z
Xy Select All Assign Source y to all zones
My Select Main Assign Source y to the AVAtrix local (main) output
Appendix D: RS-232 Serial Protocols
Model AVX-562, and 1176 expanders can be controlled via RS-232 from a PC or dedicated controller. Two dif-
ferent RS-232 serial protocols are available; the Abbreviated Command Set is simple, and one-way, and the
Extended Command Set has more commands and reports all system changes through the serial port, regard-
less of the origin of the command. Use commands from either or both protocols.
Specications
The RS-232 control port on the AVAtrix is xed at 9600 baud. There
is no provision for ow control (XON/XOFF, DTR, etc.). On power
up, the AVAtrix echoes any received character, but that echo function
may be turned off as described at the end of this section to prevent
corruption of replies.
Interface connec-
tor
DB-9
Electrical rating Pins 2 and 3, ±15 VDC
Pin out Pin 2, Tx
Pin 3, Rx
Pin 5, Ground
Shell, Ground
Null modem cable Call Audio Authority
Transfer Rate 9600 bps
Data Bits 8
Stop Bits 1
Parity None
Flow Control or
Data Flow
None
Character type ASCII
Command Description
P Select Professional screen
R Select Residential screen
V- Unlock front panel controls
V+ Lock front panel controls
W- Unlock front panel optical IR receiver
W+ Lockout front panel optical IR receiver
Y- Disable display blanking
Y+ Enable display blanking
C
654321
B
(A)
654321
654321
AVX-562 Row
1176 Row
1176 Row
Zone “A4”
w = Row A-L (AVX-562 Cat 5 array or 1176)
x = Column 1-6 (output number)
y = Source 1-6
g = Group 1-6
Column
Row letter
(address)