fills in dark spots which are created

shines on the subject ' s shoulders and hair

is the brightest light on the subject

lights the background

The audio mixer

Acoustic echo cancellation

The power amplifier

The preamplifier

an eighth of amplitude

an eighth of a frequency

a doubling of frequency

a doubling of amplitude

projector orientation

perceiving the images as accurately as possible

audience comfort while watching the presentation

eliminating ambient light

The maximum wattage capacity of the power supply

The weight rating of a component that should not be exceeded to avoid mounting failure

The permissible weight that can be carried onto a job site

The maximum impedance in a speaker circuit

pixel-level detail than the entire image

overall content than detail

the finest details than overall content

Line Drivers

Scan converters

Switchers

Scalers

requires little space for installation

allows light to pass through a translucent screen toward the viewer

handles ambient light issues more poorly than front screen projection

can allow a presenter to block all or part of the image

aim the cable ' s center conductor into the center tube in the connector

remove the drain wire from the twisted-pair cable

seal the end of the coaxial cable

sterilize the connector with alcohol to ensure a clean connection

A function activated by a button

A set or sequence of functions activated by a single button

Multiple functions activated by separate buttons

A single function activated by a switch