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Symbol definitions for CEC communications commands
X4%
= CEC mode
0 = Disable CEC operations for this IO port (default)
2 = Enable insertion (unidirectional)
4 = Enable insertion and publish received CEC messages (bidirectional) (recommended mode)
X4^
= CEC status
0 = CEC mode 0 disabled
2 = CEC mode 2 enabled but no device 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)
X4&
= Source logical address (our pseudo): 0 through 15 (-1 = not found or port not enabled)
X4*
= Destination logical address (theirs): 0 through 15 (-1 = not found or port not enabled)
CEC Logical Addresses
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
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)
X4(
= CEC command: Predefined actions as strings within double quotes: "PwrOn", "PwrOff",
or "ShowMe"
X5)
= Send result
0 = Failed (NAK)
1 = Success (ACK) of entire message
2 = Unable to send
X5!
= CEC physical address: 4 hexadecimal digits
Example: %10%00 for 1000
X5$
= CEC address byte: In the form of percent sign followed by 2 hex digits
Example: %E0 = Extron output (14) to TV (0)
NOTE:
Unless otherwise indicated, commands are not case-sensitive.
DTP2 T 204 Switcher • Remote Configuration and Control
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