Extron electronics DVCM 50, User Manual

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5-21
DVCM 50 • Software-based Confi guration and Control
PRELIMINAR
Y
6 . When the upload is complete, the following prompt appears:
Click OK. The DVCM 50 confi guration program window closes. When you
reopen the confi guration program, the new fi rmware version is in effect.
Using Simple Instruction Set (SIS
™
) Commands
Simple Instruction set (SIS) commands can be entered on your PC to fi nd out more
information about the DVCM 50.
Host-to-DVCM communications
SIS commands consist of one or more characters per fi eld. No special characters
are required to begin or end a command sequence. When the DVCM determines
that a command is valid, it executes the command and sends a response to the host
device. All responses from the controller to the host end with a carriage return and
a line feed (CR/LF = ), which signals the end of the response character string. A
string is one or more characters.
DVCM-initiated messages
When a local event such as a front panel (or Extron switcher front panel) selection
or adjustment takes place, the DVCM responds by sending a message to the host.
No response is required from the host. The DVCM-initiated messages are listed
here (underlined).
(C) Copyright 2005, Extron Electronics DVCM50, V1.00
]
The DVCM sends the copyright message when it fi rst powers on.
Error responses
When the DVCM receives a valid SIS command, it executes the command
and sends a response to the host device. If the DVCM is unable to execute the
command because the command is invalid or it contains invalid parameters, it
returns an error response to the host.
The error response codes and their descriptions are as follows:
E10 – Invalid command
E13 – Invalid value (Number is out of range.)
E14 – Invalid for this confi guration