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1. 12v Fuse
This fuse protects the 12v outputs from the MASK and SCREEN jacks.
(Screen Fuse: 5mm x 25mm, AGC, 1A, 250v, Fast Blow)
2. Mask
This is a 12V output that is used to trigger masking on screens that have that
capability (For use on motorized screens only).
3. Screen
This is a 12V output that is used to trigger the screen to drop.
(For use on motorized screens only).
4. RS-232 In
This is for systems using serial (RS-232) to control the VHD-4403 ULTRA. Please
refer to the RS-232 Protocol section at the end of this manual for information.
5. RGB OUTPUT
This is the main output of the VHD-4403 ULTRA. The RGB Signal goes directly
to the projector; If component is used through the pass-through, then only the
R (Pr), G(Y) and B(Pb) jacks will be active. Individually, the jacks are: V=vertical
sync, H=horizontal sync, B=Blue, G=Green, R=Red.
6. Pass-through
Anything input to this jack will by-pass the processing of the VHD-4403 ULTRA
and be sent straight to the projector. This is useful for computer graphics and
HDTV which do not require processing.
7. Component Input
This is the input for component video from sources such as DVD players.
Note:
The component output from a DTV decoder or a progressive-scan DVD cannot
be used with this jack; it must be used with the Pass-through.
8. S-Video Input
This is the input for S-video from sources such as Satellite receivers, S-VHS
VCR’s and DVD players.
9. Composite Video Input
This is the input for Composite video from sources such as Laser disc players,
VCRs and other miscellaneous sources.
Rear Panel
FRONT AND REAR PANEL DESCRIPTIONS
12v Fuse
Mask Screen
RS-232 IN
VHBGR
Pass-through
Pb
Pr
Y
1
10
2 3 4 5 6 7 8 9 11 13
R
UN
C
O
12
RS-232 OUT
S-VIDEO
COMPOSITE