Installation and Operation, cont’d
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| RGB 198 |
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| UNIVERSAL INTERFACE |
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| C O M P U T E R | M O N I T O R | S E R R |
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| D D S P |
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| AUDIO | S O G |
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| H - S H I F T L E V E L |
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| M . AU D I O |
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| ON |
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| O U T P U T | 1 | 2 | 3 | 4 | 5 | 6 |
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| 125V 50/60 Hz 5A | 125V 50/60 Hz 5A |
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| ANAHEIM, CA |
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| MADE IN USA |
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AUDIO
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150/60Hz
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Figure 2-5 — RGB 198 front and rear panel features
2Audio input (RGB 192 and 198 only) — Connect the unbalanced stereo audio source (such as a computer or a CD player) to this 3.5 mm mini stereo jack for unbalanced audio input. Figure
Tip (Left) | Sleeve (Gnd) |
Ring (Right)
Tip (Left)
Sleeve (Gnd)
Figure 2-6 — Audio input connector wiring
3Computer Input — Connect the analog
Most laptop or notebook computers have an external video port, but they require special commands to output the video to that connector. Also, laptops’ screens shut off once that port is activated. See the computer’s user’s guide for details, or contact Extron for a list of laptop keyboard commands.
4Monitor Output— If desired, connect a local monitor or other device to this 15HD female connector.
5H(orizontal) Shift — While viewing the displayed image, rotate this control to move the image to the right or left on the screen.
DDSP disables the interface’s Horizontal Shift control.
To use the display’s centering controls instead of the interface’s controls, set the DDSP DIP switch to On.
6DIP switches — This bank of DIP switches is used to configure the interface. The switches control:
•Level
•SOG (sync on green)
•Serration pulses
•DDSP
•Monitor or no monitor (ID bit termination)
•Mono or stereo audio (RGB 192 and 198 only, spare on RGB 190F)
The default for all DIP switches is Off (down).
1 — Level (and peaking)
The Level control alters the video output voltage to affect the brightness of the displayed image. Turn the switch on and off while viewing the displayed image to set the level that provides the best picture quality. If the interface receives a typical (0.7 volts
On — 0.8 volts
Off — 0.7 volts
2 — Sync on green
On — The interface outputs a composite sync signal on top of the green video signal (SOG) via the G output connector (RGsB).
Off — The interface outputs separate horizontal and vertical sync (on the H and V connectors) and composite sync (on the S connector) for RGBHV or RGBS.
3 — Serration pulses — Many LCD and DLP projectors and plasma displays do not display properly if serration pulses are present in the sync signal. Flagging or bending at the top of the video image is a sign that the serration pulses should be removed.
On — The interface outputs serration pulses in the vertical sync interval.
Off — The interface does not output serration pulses.
4 — DDSP
DDSP disables all sync processing. This feature may be necessary for digital display devices such as LCD, DLP (digital light processor) and plasma displays. Use this option if the image is not displayed properly after other
RGB 190F, RGB 192 and RGB 198 • Installation and Operation | RGB 190F, RGB 192 and RGB 198 • Installation and Operation |
