Additional Features For Leader's LV5490 Monitor

Leader Electronics has announced the addition of five-bar capabilities to its LV5490 4K-UHD/HD/SD multiscreen waveform monitor.

The addition is part of a significant software upgrade to version 3.2, initially announced at InterBEE 2016 in November. It will make its first European appearance at BVE2017 in London next month.

Designed for use by engineers or camera operators, the five-bar display is a feature on Leader's LV5333 and LV5770 3G/HD-SDI test instruments. Incoming SDI signals are converted into five cyan bargraphs providing simultaneous display of maximum and minimum luminance, red-component, green-component, blue-component and composite levels. Gamut errors are displayed as red excursions beyond the legal thresholds.

Correct adjustment of luminance level using bar 1 as a reference provides a way of checking that a picture is optimally exposed, avoiding highlight clipping or crushing. The R, G and B graphs (bars 2, 3 and 4, respectively) are supplemented by a visible alert if any colour components are out of gamut. Bar 5 provides similar warning of positive or negative levels being exceeded if the output is integrated for delivery as a composite channel.

Each bar is displayed as a linear percentage scale. Supplementary features include line selection and display, a low-pass transient-error filter and a range of user presets.

In multiscreen mode, the LV5490 can display five-bar and additional user-selected reference content such as R, G and B waveforms on its internal monitor or rasterized output.

Version 3.2 software is now part of all newly-delivered LV5490 instruments and will be available as a free download to the existing customer base.

Image: LV5490 models with the new five-bar display in single-screen and multi-screen mode.

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(JP)