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Overall Functional Description
The VX-1000d system consists of the VX-1000d Projector and DHD Controller. This system is unique
in the way it is controlled; the control center for this system is located within the DHD Controller. The
DHD Controller tells the Projector to turn on or off, controls its brightness, contrast, color temperature
and more. All of this is accomplished by Runco's unique ComLink, which is the transfer of information
between the DHD Controller and the Projector via their ComLink ports on a CAT5 cable (or similar) with
RJ-11 ends. Therefore, only the DHD Controller's remote control is necessary to control all aspects of
this system.
Besides being the system's control center, the DHD Controller is also a high-quality scaler, which
outputs all signals in the native resolution of the VX-1000d Projector. The Composite, S-Video and
Component (non-progressive) signals are sent through the DHD Controller's 10-bit decoder, de-inter-
laced, then scaled to the native resolution of the Projector. In the case of HDTV or progressive DVD sig-
nals, these are input to the RGB/Component port. However, we strongly recommend that progressive
scan DVD players be set to the “Interlaced” mode. This will allow the DHD’s superior de-interlacing to
convert the signal to progressive scan for optimal picture quality.
In the next chapter, the menu system will be described in detail. There are many adjustments
available to perfect the VX-1000d's image, including typical 'front-panel controls' as well as color
temperature and other image-quality controls.