Operating instructions

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INTRODUCTION

1.1.

General Introduction

HQView-325 is a very flexible image scaler developed specifically for driving large screen displays and

multiple screen applications from video or graphics sources.

HQView-325 features state of the art digital image processor which provides market leading HD& SD

per-pixel multiple Iow-angle motion-adaptive de-interlacing and automatic film pull-down correction for

3:2 and 2:2, significantly outperforming the capabilities of benchmark competitor products. HQView-325

features excellent image processing algorithms for the very best scaling, film and video noise reduction

and MPEG artefact reduction.

HQView-325 uses a flexible high performance video input front end including HDMI and DVI video with

HDCP encryption, as well as computer graphics inputs in SVGA analogue and HDMI/DVI digital

formats.

The output format can be set to I/O Lock mode where it locks the output frame rate to the input frame

rate dynamically without frame rate conversion so as to reduce system latency, or it can be set to a fixed

output frame rate for driving basic screens which are not 50Hz-compatible. A Low latency mode with

non-motion adaptive reduced processing is available to further reduce latency.

Outputs are available in DVI/HDMI digital formats with HDCP encryption.

HQView-325 supports Pan, Zoom and Tilt to select a part of the input image, fill the screen and pan

within it.

HQView-325 supports multi screen or multi projector installations by means of Auto Zoom and Edge

Blend with elaborate Black Level Uplift. Edge Blend allows to electronically reduce the brightness level

of certain image regions to match the brightness of overlapping areas. Auto Zoom automatically crops

and zooms the input video image to display the section of the total image on the corresponding projector

or screen. Also embedded warp allowing to adjust the image in a projection scenario to match a rotated,

tilted or curved screen is provided. For 9:16 portrait mode signage special predefined warp maps are

available to rotate and stretch a video image to fill a +/-90° rotated display panel.

HQView-325 also features free form warp capability for certain non-flat screens in a multi projector

installation. Warp maps created with the PC tool “Warp Generator” can be uploaded into HQView-325

and processed accordingly. HQView-325 is supported by 3

party PC based auto calibration software

creating such warp maps upon camera captured information.

System control is via an OSD controlled by keys on the front panel or through the inbuilt TCP/IP web

server.