Leader Electronics Adds Five-Bar Display Capabilities

Leader Electronics has added five-bar display capabilities to the LV5490 4K-UHD/HD/SD multiscreen waveform monitor. This forms part of a major software upgrade (to version 3.2) which was announced at InterBee 2016 and will make its first European appearance at Broadcast Video Expo 2017.Co-exhibiting on stand J08 with UK channel partner Boxer Systems Limited, Leader will be represented at BVE by Koichi Fukugawa and Kevin Salvidge.

Designed for use by engineers or camera operators, the five-bar display is a popular feature on Leader's LV5333 and LV5770 3G/HD-SDI test instruments. Its addition has frequently been requested by LV5490 customers. 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 fast and easy 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 highly 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 its 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.

Occupying a half-rack-width by 4U high housing, the Leader LV5490 offers 4K, UHD, 3G, HD and SD test and measurement features in a compact portable unit. Waveform, vector, five-bar and picture display can all be viewed at the same time on the LV5490's 9 inch LCD monitor. The monitor is full 1920 x 1080 HD resolution with a wide viewing angle and high colour reproduction. A 1920 x 1080 HD DVI and HD-SDI rasterized output is also provided to feed a larger monitor. Simultaneous viewing of up to four SDI inputs is possible, including overlays. The size and location of individual channels can be adjusted on the display using a USB mouse so the user is not limited to fixed-size quadrants.

Leader's CINELITE II toolset also comes as a standard feature, allowing easy assessment of relative exposure and overall luminance during production. A focus assist option allows highly accurate on-set adjustment of camera focus to match the 4K format's ability to handle very precise image detail.

The LV5490 can also be controlled remotely using standard KVM tools. Additional options for the LV5490 include eye pattern with jitter measurements, digital audio I/O, Dolby decode, focus assist, CIE colour chart and 12G-SDI.

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