MMX6x2-HT
User’s Manual
Section 6. Software control – Using Lightware Device Controller Page 57 / 119
6.7.3. Infra tab
The Infrared signal transmission is similar to the serial data communication. However the
matrix does not contain dedicated IR I/O connection, the TPS interface can receive IR
signal in pronto HEX format. See more information in section 4.4.1 on page 25.
IR codes
The matrix can detect and identify IR codes coming from a TPS port. This submenu allows
to recognize an IR code and store a hash code in the matrix (Learn button). The hash code
(Fingerprint) is generated from the IR code. Please note that whole IR code is not stored in
the matrix. The hash code is enough to identify an incoming IR code and up to 80 pcs. can
be stored in the matrix.
Figure 6-12. IR codes submenu
The following information is displayed on the tab:
Name: the user may modify, only alphanumeric characters are allowed.
Fingerprint (hash): a generated code which is used to identify an incoming IR code.
Repeat timeout: in many cases remote controllers send the IR code repeatedly.
When a code is recognized by the matrix, it will not be recognized again within a
certain time interval – set in this field. This setting can help to process the same
code more than necessary (a typical example is the switch on/off command).
Save: store the settings and the values.
Cancel: cancel the changes.
Learn: after pressing the button, the IR input ports are scanned. If an infra code is
detected, the hash code is generated and displayed in the Fingerprint column in
the given row.
IR ports
Each TPS ports has IR input and output ports which are displayed in the submenu. The
name column shows the TPS port to which the given IR port belongs. Each IR port can be
enabled/disabled and the Command injection port number can be changed.
Figure 6-13. IR ports submenu
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