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BAL421 brings under-monitor displays in-picture

BAL Broadcast has introduced an under-monitor display (UMD) option to its SDI quad-split display.

BAL Broadcast has introduced an under-monitor display (UMD) option to its SDI quad-split display. The basic BAL421 unit accepts four asynchronous SDI video signals and displays the four pictures as a single image. The user may select any of the inputs as a full-screen output or choose the quad-split mode.

“The picture quality is superb,” says BAL, “since 10 bit signals are used and the output is SDI or (optionally) component. This arrangement is appropriate for fixed installations, but if the BAL421 is used in environments where the signal idents need to be changed for example in an OB van or on the output of a router, it is essential to know the signal source.”

Traditionally, under-monitor displays (UMD) are used to display signal source and tally information such as "on-air" and "to vcr".

The BAL421UMD provides this information in text boxes within each picture, using red and green indicators for "on-air" and "to vcr". The unit can be controlled directly from a computer, using the supplied Windows software. It can also be controlled from industry standard text/tally control boxes which provide text information directly from the router control system.

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