Loewe Concept L 42, Руководство по обслуживанию

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Technical Manual 13
— Due to the digital signal processing flat panels are more sensitive to noise levels than 50Hz interlace CRTs or
50Hz progressive CRTs (8Bit resolution, False Contouring, Dithering,Deinterlacing, limits of the used PDPs, ...)
— If possible do not use FBAS signals, better is SCART—RGB or S—Video.
Regular horizontal or vertical stripes in Video picture
— Change position of external signal wiring (emission of PDPs)
— Humming loop (ground shift)
Video picture only in black and white
— Poor signal level or non—standard signal
— Signal not supported (e.g. NTSC via RF)
At channel search, not all channels are recognized or recognized with the wrong name
— device is not supporting PDC
— device is working with internal channel name table, if the channel name changes shortly, this may lead to
wrong information
Image is flat and low contrast (Video/VGA)
— The factory defaults for brightness and contrast are suitable for most applications, only for exceptions this
settings should be changed
— Also other settings and adjustments might influence the picture quality, for this reason always first reset to
factory
defaults (OSD—Menu)
Picture out of focus in VGA—Mode
— Max. resolution of 848x480 is recommended
— in rare cases (poor signal quality or unfavourable display), auto—adjustment is not able to work correctly
(see Operating manual), select manual adjustment in the OSD
— Adjust focus in menu Picture to the signal source
AV3 Signalprocessing