Using SIS Commands
SIS commands consist of one or more characters per command field. They do not require any special characters to begin or end the command character sequence. Each tuner response to an SIS command ends 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.
Tuner-initiated Messages
When a local event such as a front panel operation occurs, the tuner responds by sending a message to the host. The
•Copyright message
With an RS-232 connection:
(c)Copyright 2011, Extron Electronics AVT 200HD, Vx.xx,
With an Ethernet connection:
(c)Copyright 2011, Extron Electronics, AVT 200HD, Vx.xx,
Ddd, DD Mmm YYYY HH:MM:SS ]
The tuner initiates the copyright message when it is first powered on or when an IP is established. Vx.xx is the firmware version number. With the Ethernet connection, a carriage return and the date and time are added to the copyright message.
This message is not displayed with a USB connection.
•]Password:
The tuner initiates the password message immediately after the copyright message when the controlling system is connected using TCP/IP or Telnet and the tuner is password protected. This message means that the tuner requires an administrator or user level password before it will respond to the commands entered via this link.
The unit responds with one of the following messages, depending on the password that was entered:
•]Login Administrator] ]Login User]
The tuner initiates the login message when a correct administrator or user password has been entered. If the user and administrator passwords are the same, the tuner defaults to administrator privileges.
NOTE: The Password prompt is redisplayed if an incorrect password is entered.
TunerReady]
After a unit reset or an output resolution change, the tuner sends this message to indicate the reset is complete.
V-chip Security for Parental Control
In addition to passwords for administrators and users, a
AVT 200HD Tuner • Remote Configuration and Control | 41 |