
Glossary
Intensity | Concentration of information or what would be seen if a black |
| and white version of the image is displayed. |
Interlacing | The technique that refreshes a display screen by alternately |
| displaying all the odd lines (field one) and then all the even |
| lines (field two) of one frame. |
I/R Executive Remote | Used to control the Series 300 Projector during presentations. |
| Limited use compared to the technician remotes; cannot |
| permanently change any projector setup values. |
I/R Technician Remote Remote control used during Series 300 setup and adjustment.
| Alternative to optional terminal and tethered technician |
| remote. |
I/R Windows | The Series 300 Projector has two I/R windows, one in front, |
| one in back. These windows receive projector control signals |
| from the I/R remotes. |
ISO 9001 | Standard of Quality. |
| certification May 15, 1997. |
Keystone Adjustment | Corrects lines nearest to the screen edge to make them straight |
| and parallel to the center line of the test pattern or square to |
| the screen edge. The keystone adjustment is performed on |
| green only and affects all RGB. |
Keystone Image | Distortion resulting from having the projector improperly |
| placed vertically with respect to the screen. |
Lamp Assembly | Behind the optics assembly, the arc lamp and one "cold" |
| mirror are mounted in an extension chamber. |
Line Crawl | Tendency of the eyes to follow the sequentially flashing |
| scanned lines of interlaced scanning up or down the screen in |
| the same way that the eyes follow the sequentially flashing |
| light bulbs on a movie theatre marquee. Line crawl tends to |
| reduce vertical resolution. |
Linearity Adjustment | Corrects for improper horizontal grid spacing on an image. |
| With distorted linearity, lines in the grid are spaced closer |
| together on one side of the image and farther apart on the |
| other. The linearity adjustment is performed on green only |
| and affects all RGB.. |
Model 330, 340SC, and 370SC Service Manual