JVC Model 200 - Manual (Page 137)

Glossary
a total of 525 scanning lines in NTSC
transmission.
Horizontal Scan Reverses the image projection for front or rear
Reversal Jumper projection. Located on the Horizontal Deflection
Board.
Horizontal Size Coils Adjusting coils on the Scan Reversal Board. Used
to adjust the horizontal size (width).
Hot Spot The Arc Lamp’s brightest area on the screen.
Used to align and focus the Arc Lamp.
Hue Also referred to as tint. A specific color such a
blue, pink or aqua. Hue or tint control on a
display device adjusts red/green balance.
Ignitor Provides a momentary high voltage to excite the
gases in the Xenon Arc Lamp to ignite.
Image Light Amplifier A device that uses low-intensity images to phase
ILA
®
modulate a high-intensity light through a liquid
crystal layer. It is a key component in
producing very bright, high resolution images
from Hughes-JVC large-screen projectors.
Image Mirror Directs the blue and red images toward the
Combining Prism.
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 Windows The Series 200 Projector has two I/R windows,
one in front, one in back. These windows receive
projector control signals from the I/R remotes.
Lamphouse Dock The housing that contains the Ignitor, the Laser
Power Supply, and the Arc Lamp assembly.
Laser Power Supply Provides boost voltage through a spark gap to the
Ignitor.
Lumen A unit of measure of the flow, or rate of emission,
of light. An ordinary wax candle generates 13
lumens while a 100 watt bulb generates 1,200
lumens.
B-2 Model 200 Service Manual