3 Overview
The Kramer VP-420/VP-421 PC/HD Scaler is a high-performance digital
scaler for computer graphics and HDTV signals. It up- or down-scales
computer graphics and HDTV signals to resolutions up to WUXGA and
1080p. The following output resolutions are supported:
PC: VGA, SVGA, XGA, 1280x800, SXGA, UXGA, WXGA, SXGA+,
WXGA+, WSXGA, WUXGA, COMPONENT: 480p, 576p, 720p
@50/60Hz, 1080i @50/60Hz, 1080p @50/60Hz.
The VP-420/VP-421 PC/HD Scaler also features:
•An On-Screen Display (OSD) for easy setup and adjustment, accessible
via the front-panel buttons
•A built-in ProcAmp for convenient signal adjustment
•A non-volatile memory that retains the last settings used
•Quick auto-adjust
•Freeze button
•RGBHV or component video input and/or output
The machine is fed from an external 5V DC source, making it suitable for
field operation.
Operate your VP-420/VP-421 directly via the front panel push buttons and
the on-screen display (OSD).
To achieve the best performance:
•Use only good quality connection cables1
•Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your Kramer
VP-420/VP-421 away from moisture, excessive sunlight and dust
to avoid interference,
deterioration in signal quality due to poor matching, and elevated noise
levels (often associated with low quality cables)
1 Available from Kramer Electronics on our Web site at http://www.kramerelectronics.com