EN-55
RS232 Protocol Function List
Note
To also include AMX beacon signal in RS232 protocol
In basic terms, AMX controllers will issue a poll periodically to detect 3rd party
devices connected to the RS232 port (in this case Optoma). The poll is "AMX" in
ASCII followed by a carriage return 'r'.
There is a <CR> after all ASCII commands.
0D is the HEX code for <CR> in ASCII code
Baud Rate
9600
Data Bits
8
Parity
None
Stop Bits
1
Flow Control
None
UART16550 FIFO
Disable
Projector Return (Pass)
P
Projector Return (Fail)
F
Lead Code
Projector ID
Command ID
space
variable
carriage
return
~
X
X
X
X
X
n
CR
Fix code
One Digit
Set in OSD
00~99
Two Digit
Defined by Optoma
2 or 3 Digit
See the Follow content
One Digit
Per item
Definition
Fix code
One digit