MICROTRONIX DX-4400 Series, User Manual

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DX-4400
– 3G-SDI Text & Graphics Overlay Inserter – User Manual
Page 39 of 125
function. The scrolling text is positioned at the bottom of the screen using the y=1030 parameter in the command
line, making the example specific to 1080 line video display modes.
The X-Y position, rotation, and overall transparency (visibility) of the QML scripts can be controlled using the
respective
parameters of the ‘q’ Commands (see Table 12 above). Other parameters are set in the QML script
files.
You can manually edit the QML Script files included on the microSD card and the CD using the Web UI as
described in §
5.6.4 File Manager
– QML Files Page
. If you are unfamiliar with QML scripts there is online
information available on the web. The DX-4400 version of QML is based on QT v4.8 so restrict your search to QT
4.8 QML.
You can edit the QML script files on the SD card using the WinSCP (Secure File Copy) program
– available for
free download from the web
– (and supplied on the CD) or edit them on a workstation and then use WinSCP or
other scp (secure file copy program) to transfer the file onto the SD Card. Alternately you can use the Web UI
Menu of section 5.2.1 .
Note: The Linux OS login user name is root and the login password is ArmOverlay .
Figure 10: QML Field Example of Time, Date, & Scrolling News Feed Overlay
Table 13: List of Supplied Example QML Files
QML File Name
(Case Sensitive)
Effect
Scroll_Text.qml
The QML sctipt scrolls text across the screen from right to left across the entire
screen. The default is for 1280 pixel wide screen. The text scrolled across the
screen is from an XML file located at /usr/local/qml and is named
Scroll_Text_Data.xml. The default is a single line but you can have up to 10
defined strings. You can adjust the width by editing the QML file.
Show_DateTime.qml Displays the date and time in UTC, Local and as a Date() time string.
Show_DateTime_01.qml Displays the date and time as 00:00:00 2017/11/25.
Show_DateTime_02.qml
Displays the date and time centered on a 1280 pixel wide screen with a
transparent black background.
rss_news.qml
Displays RSS news feed with gray text on a white background selected at
random from:
feeds.reuters.com/news/wealth