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2E154 Vol.2 cont.
2E154 Vol.2 cont.
64
Other
Not Applicable
12/16/2009

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Term
The Grass Valley Group-110 video switcher effect key fills with a
Definition
key bus video or an internally-generated color matte signal
Term
The purpose of the GVG-110 general purpose contact-closure editor interface is to allow
Definition
remote control of switcher transitions
Term
The GVG-110 video switcher serial interface allows
Definition
remote control of the switcher by a personal computer or digital picture manipulator
Term
Special effects are simply transitions between different
Definition
keyframes
Term
Which procedure is a function of the T-bar on the special effects system?
Definition
controlling the border width and mosiac
Term
Which basic menu is the home menu, appearing at the power-up on the special effects system?
Definition
Effect
Term
Which function on the special effects system is used to modify the trajectory path of an effect?
Definition
Tension
Term
What does the operator use to control the character generator system?
Definition
Keyboard
Term
What is the difference between the Dubner 10K and 20K character generators?
Definition
The 20K has an Iomega drive
Term
What allows you to control a Dubner 20K character generator with an editor?
Definition
General purpose contact-closure editor interface (GPI)
Term
What type of video recording equipment was developed that provides excellent picture quality with little processing time?
Definition
Magnetic
Term
You can compare a video tape recorder (VTR) head to a/an
Definition
electromagnetic
Term
What function in a VTR is accomplished by transporting the videotape across the head gap at the same speed at which it was recorded?
Definition
Playback
Term
What is the control track recorded on the tape used for in a VTR?
Definition
To control the speed of the head assembly during playback
Term
An important concept to understand is that digital video is merely an alternate means for
Definition
carrying a video waveform
Term
Which digital video tape format uses a 4:2:2 standard, with an 8 bit sampling rate, 19mm wide tape and has up to a 94 minute recording time?
Definition
D1
Term
Which mode interrupts PLAY action in a compact disk player without repositioning?
Definition
Pause
Term
Which feature allows you to set the CD to a desired starting point?
Definition
Cueing
Term
What type of editing would you use to remove faulty sections and inserting retakes?
Definition
Continuity
Term
What device is considered the main terminal for controlling data input and output in a computerized time-encoding editing system?
Definition
Console
Term
What edit point entry method allows you to make plus or minus adjustments to the edit point numbers?
Definition
Trim-in
Term
Which of the following edit transitions allows you to insert a shot or scene directly to replace its predessor?
Definition
Cuts
Term
In what mode does a computerized editing system allow you to see edits before you actually perform them?
Definition
Preview
Term
What is one of the causes of time base errors?
Definition
Track lengthening
Term
Which one item is not a main section of a time based corrector?
Definition
Digital generator
Term
What signal is used to lock the write voltage controlled ocsillator (VSO) if the incoming video signal in a frame synchronizer does not contain burst?
Definition
Input video H-sync
Term
The analog to digital converter (ADC) in the frame synchronizer runs at a frequency of
Definition
4fsc
Term
What are the frequencies of the two common mode nulling adjustments in the video distribution amplifier?
Definition
60 Hz and 5.5 MHz 
Term
The pulse distribution amplifier (DA) can be adjusted for how much delay?
Definition
350 nsec to 4msec
Term
The absence of a pulse input for a longer than 90 msec results in the output returning to a
Definition
logic low
Term
What device stabilizes the video signal and regenerates the sync and color burst?
Definition
Processing amplifier
Term
In which circuit of the processing amplifier (proc amp) are burst and subcarrier removed to prevent them from interfering with other action in the circuit?
Definition
Delay line driver amp
Term
Wiring all micorphones or speakers in a system the came is called
Definition
phasing
Term
How many wires does an unbalanced microphone use?
Definition
2
Term
What is the highest practical attenuation level for a single pad?
Definition
40 dB
Term
Audio distribution amplifier outputs are normally
Definition
balanced
Term
Speakers in a single channel system are connected
Definition
in series
Term
How many volume meters are on the sterophonic audio console?
Definition
4
Term
To connect a remote line to a mixer in the audio console, the MODE MIX/FEED switch must be in what position?
Definition
Mix
Term
What allows radio stations and system components in a radio station to operate programs on a perfect synchronization?
Definition
Global Positioning Satellite reciever
Term
Which component in an audio animation system converts audio to a digital file?
Definition
sound card
Term
What allows remote control of a radio station to signal the system to play commercials?
Definition
tone
Term
What is the primary concern in studio design?
Definition
timing
Term
Where are the camera control units (CCU) located in a television studio system?
Definition
outside the studio
Term
Most of the newer source equipment has the capability to lock to
Definition
color black
Term
What types of devices are inherently able to time internally?
Definition
digital video equipment
Term
What type of equipment can delay video while eliminating losses associated with passive delay lines?
Definition
delay distribution amplifier
Term
If you do not have the means to electronically delay signals, you need to either install a delay line or
Definition
add a cable to the signal path
Term
The power that heats filaments in a monitor picture tube comes from the
Definition
secondary of the power transformer
Term
The amplitude of the video signal at the picture tube cathode is determined by the setting of the
Definition
contrast control
Term
What prevents a high voltage arc in the picture tube from damaging the video output circuit?
Definition
spark gaps
Term
What DC voltage is not regulated in the colot monitor power supply?
Definition
100V
Term
The flyback transformer is part of which system in the monitor?
Definition
horizontal scan
Term
Which circuit provides the collector B+ supply for the horizontal scan switching transistor?
Definition
Horizontal output regulator
Term
Positive feedback in the vertical oscillator circuit provides correction voltage for
Definition
linearity
Term
The luminance and chrominance processor circuitry are driven by the
Definition
preprocessing amplifier
Term
Where does demodulation of the chrominance information take place?
Definition
Chroma demodulator
Term
For your saftey and to prevent damage to equipment when replacing a cathode ray tube, you must ensure that you
Definition
discharge large or high voltage capacitors
Term
When would you need to take extra measures in desposing of the cathode ray tube?
Definition
if the CRT was used to display classified information
Term
When crystal cells in a liquid crystal display allow light to pass or be blocked, they are acting as a
Definition
shutter
Term
What method is used to produce a LCD image by displaying characters and pictures with cells defined by patterned electrodes?
Definition
segment driving
Term
What type of display uses a mixture of gas such as argon to address individual picture elements?
Definition
plasma display panels
Term
How many subcells are in a pixel cell in a plasma display?
Definition
3
Term
In a Thin CRT what do we call the process of the electrons being generated at room temperature?
Definition
cold-cathode
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