Q u i c k G u i d e :
Unison AV/Serial Interface v1.1.0 Quick Guide
U n i s o n AV / S e r i a l I n t e r f a c e S t a t i o n P r o t o c o l C o m m a n d S t r u c t u r e
Multi-byte Commands
Multi-byte commands use the following format where [bracketed] parameters including a
separating delimiter are optional as necessary: <verb><noun>[<index>][.<value>]
All multi-byte commands are terminated by a carriage return: ^M (0x0D)
Object
Button
Fader
Rate
Level
Configuration
Station Type
Protocol Version
Station Status
Memory
Help
Notes:
• Reply messages are read only status messages that are sent from the Unison processor and output by the
station. They cannot be issued by the serial host.
Index and Value Details
Default values and settings are in bold.
Index (nn)
0
nn
But ton States (bs)
0
1
2
Uni son AV/ Se r ia l I nt er f ac e v1 .1 . 0 Qui ck Gui de
Verbs
Verb Definition
S = Set
"Do this"
G = Get
"Tell me about..."
R = Reply
A response to a Get command
U = Update
An automatic system response
initiated by a status change of an
item on the station (such as a
button's LED turning on)
Get Command
GB nn
GF nn
GR nn
GL nn
GC nn
GT
GV
GS nn
GM nn
?
=
All
=
Index of the Object
=
Off (Maintained)
=
On (Maintained)
=
Executes a button press
Notes:
• At reset, button states are set to 0 unless saved to memory.
Get Reply
Set Command
RB nn.bs.ld
SB nn.bs
RF nn.ll.ld
SF nn.ll
RR nn.fr
SR nn.rr.dd
RL nn.ll
RC nn.cf
SC nn.cf
RT st
ST st
RV pv
RS nn.ss
RM nn.mm
SM nn.mm
<text>
Pa ge 5 of 10
Nouns
B = Button
C = Configuration
F = Fader
L = Level
M = Memory
R = Rate
S = Status
T = Type
V = Version
Update Reply
UB nn.bs.ld
UF nn.ll.ld
UL nn.ll
El ect r on ic T he at r e Con tr o ls , I nc.
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