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Symbol definitions for CEC communications commands
X2*
= CEC mode
= Disable CEC operations for this IO port (default)
0
= Enable insertion (unidirectional)
2
= Enable insertion and publish received CEC messages (bidirectional)
4
(recommended mode)
X2(
= CEC status
0 = CEC mode 0 disabled
2 = CEC mode 2 enabled but no evidence detected (unidirectional)
3 = CEC mode 2 enabled and device detected (unidirectional)
4 = CEC mode 4 enabled but no device detected (bidirectional)
5 = CEC mode 4 enabled and device detected (bidirectional)
X3)
= Source logical address (our pseudo): 0 through 15
(‑1 = not found or port not enabled)
X3!
= Destination logical address (theirs): 0 through 15 (‑1 = not found or port not
enabled,
= broadcast)
15
Address
Device
0
TV
1
Recording Device 1
2
Recording Device 2
3
Tuner 1
4
Playback Device 1
5
Audio System
6
Tuner 2
7
Tuner 3
X3@
= CEC command: Predefined actions as strings within double quotes:
"Pwr on"
"PwrOff"
"ShowMe"
X3#
= Send result
= Failed (NAK)
0
= Success (ACK) of entire message
1
2
= Unable to send
X3$
= CEC physical address: 4 hexadecimal digits
(Example:
%32%00
X3^
= CEC data: User selected elements (
2 hex digits (Example:
X3&
= CEC address byte: In the form of percent sign followed by 2 hex digits
(Example:
= Extron output (
%E0
X3*
= CEC device presence:
0-F = Device address
X = Missing
— = CEC port is off
CEC Logical Addresses
Address
Device
8
Playback Device 2
9
Recording Device 3
10
Tuner 4
11
Playback Device 3
12
Reserved
13
Reserved
14
Free Use
15
Unregistered (as initiator address)
Broadcast (as destination address)
)
‑
) in the form of percent sign followed by
0
15
)
%2A%07%77
) to TV (
))
14
0
DTP2 R 212 Series • SIS Commands
41
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