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Command
NOTE: CEC Usage Examples — The input or output numbers used may not be present on this device.
Unidirectional Mode — No CEC received data messages (including answers to queries) desired
Set mode
Send data
Bidirectional Mode — CEC received data messages desired
Set mode
Send data
Examples of possible unsolicited
messages
NOTE: Asynchronous received data messages from CEC in bidirectional mode (4) format: Ceci
Other CEC Commands
List CEC device presence
Rediscover devices on input
Rediscover device on output
Report physical address of
output port
KEY: X!
= Inputs
X2)
= Video outputs
X3#
= Send result
X3$
= CEC physical address: 4 hexadecimal digits (Example:
X3%
= CEC device presence: 0‑F = Device address,
ASCII Command
(Host to Switcher)
E
O2*2CCEC
}
E
O2*"PwrOn"DCEC
}
or
E
}
O2*%04DCEC
E
O3*4CCEC
}
E
}
O3*"ShowMe"DCEC
Dcec O3*%EF%82%20%00*1
or
E
O3*15*%82%20%00DCEC
Ceco 3*%0F%32%65%6E%67*1
Ceco 3*%0E*1
E
LQCEC
}
Verbose mode 2/3
E
I
X!
}
QCEC
E
X2)
}
O
QCEC
E
X2)
PCEC
}
O
Verbose mode 2/3
Example
1 to 2
1 to 2
0 = Failed (NAK) device not detected,
2 = Unable to send
X = Missing,
Response
(Switcher to Host)
CcecO2*2
]
Dcec O2*%E0%04*1
]
CcecO3*4
]
}
]
]
X3%
*
X3%
...
X3%]
QcecL *
X3%
*
X3%
...
X3%]
X!
*1
]
QcecI
*1*
QcecI
X!
X3#]
...
QcecI
X!
*14*
X3#]
X!
*1
]
QcecO
QcecO
X@
*0*
X3#]
...
X@
*13*
X3#]
QcecO
X3$]
PcecO
X2)
*
X3$]
%10%00
1 = Success (ACK) device detected,
%10%00
for 1000)
— = CEC port is off
Additional Description
Power on TV on output 2.
Switch TV on output 3 to our
signal (HDMI 2 on TV).
]
TV broadcast command to set
the menu language to English
("eng").
TV pings us to confirm we are
still there.
X!
*
X3& X3$
*
X3#]
Ceco
X2)
*
X3& X3$
*
X3#]
Input*output 1 ... output x
For 1000 (usually first HDMI
input on TV).
DTP2 T 212 • SIS Commands
48
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