IN1804 Seamless Scaling Switchers • SIS Configuration and Control 50
Switcher-Initiated Messages
When certain local events occur, such as a change in the status of a contact closure port,
the switcher responds by sending a message to the host. No response is required from the
host. The following messages may be sent:
• Reconfig
]
A change in the current input frequency was detected.
• HplgO
X@
*
X7)]
A hot plug event was detected on output
X@
.
For
X7)
: 1 = assertion, 2 = de-assertion
• HdcpI
X!
*
X4$]
A change was detected in the HDCP status of input
X!
.
• HdcpO
X@
*
X4$]
A change was detected in the HDCP status of output
X@
.
• IN00•
X6!
*
X6!
*
X6!
*
X6!]
This message appears when a sync change (detected or
removed) occurs on any input.
X6!
is the video signal status for each input.
• Psav9
]
The unit has entered power save mode due to an internal overheating.
• Cntc
X7%
*
X7^
Contact closure port
X7%
(1 through 7) has changed status to
X7^
.
See Symbol Definitions beginning on the next page for an explanation of the X variables in
these messages.
Error Responses
When the switcher receives a valid command, it executes the command and sends a
response to the host device. If the unit is unable to execute the command, it returns an error
response to the host.
E01 — Invalid input number E17 — Invalid command for signal type
E06 — Invalid switch attempt in this mode E22 — Busy
E10 — Invalid command E24 — Privilege violation
E11 — Invalid preset number E25 — Device not present
E12 — Invalid port number E26 — Maximum number of connections exceeded
E13 — Invalid parameter E28 — Bad filename or File not found
E14 — Not valid for this configuration E33 — Bad file type for logo
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