Term
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Definition
| Primary: Blue, Orange, Green, Brown, Gray Seconday: White, Red, Black, Yellow, Violet |
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Term
| Color pairs used to transmit in four-pairs UTP T568a? |
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Definition
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Term
| # of wires in CAT5e cable? |
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Definition
| 8: Blue (Bl/W), Orange (O/W), Green (G/W), Brown (Br/W) |
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Term
| What color pairs are used for receive in four-‐pair UTP T568a? |
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Definition
| Orange/White - Received on pins 3&6 |
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Term
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Definition
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Term
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Definition
| Plain Old Telephone Service |
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Term
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Definition
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Term
| Minimum wiring grade for structured wiring? |
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Definition
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Term
| RJ11: Which is wires are ring/tip? |
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Definition
Ring: Primary color w/ secondary marks
Tip: Secondary color w/ primary marks |
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Term
| 2 most common types of coax? |
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Definition
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Term
| Dielectric element used for? |
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Definition
| Supporting an electrostatic field |
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Term
| Split M-block: Blade for punch-down tool? |
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Definition
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Term
| # of pins in RJ45 & RJ11? |
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Definition
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Term
| Modular crimp tool used for? |
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Definition
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Term
| Eight-position data modular tester provides? |
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Definition
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Term
| Common name for amplifier probe/tone generator? |
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Definition
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Term
| Other names for common voltage systems? |
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Definition
Distributed systems
70V systems |
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Term
| Places constant voltage systems are used? |
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Definition
Schools
Malls
Restaurants
Stores |
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Term
| Idea for constant voltage systems came from? |
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Definition
| The power company and power distribution |
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Term
| Different types of amplifiers used? |
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Definition
Autoformer
Direct drive
Constant voltage |
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Term
| How many speakers can you put into a system? |
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Definition
It's based off of how much power you are pulling
You can't exceed the maximum power output of the amplifier |
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Term
| Other factors contribute to power loss? |
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Definition
Insertion loss
Cable length and gauge |
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Term
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Definition
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Term
| General rule when dealing with power? |
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Definition
| Do not exceed more than 80% of the total power of the amplifier |
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Term
| Setup that offers most overlap? |
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Definition
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Term
| Other pieces of gear you can use? |
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Definition
Autoformer
Mixer Amplifier
Auto-Mixer
Music on hold |
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Term
| Company that developed T568A & T568B wiring standards |
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Definition
AT&T
American Telephone & Telegraph |
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Term
| Max. distance for 568 UTP copper cable? |
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Definition
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Term
| Type of wire used to supply power to CCTV camera? |
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Definition
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Term
| Where do IR emitters need to be placed? |
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Definition
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Term
| Difference between 802.11A & 802.11G? |
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Definition
frequency
- A is 5GHz
- G is 2.4GHz |
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Term
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Definition
| 1 billion bits / 1000Mbps / 1000baseT |
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Term
| Disadvantages to daisy chaining? |
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Definition
- Splices
- Poor signal strength
- troubleshooting |
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Term
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Definition
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Term
| How many different colors can be supported by a single chip and three chip DMD? |
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Definition
| 16 million for the single 35 trillion for a three chip |
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Term
| Advantage of LCD over plasma? |
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Definition
| - less chance of image burn-in |
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Term
| Advantage of plasma over LCD? |
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Definition
- larger formats
- less expensive |
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Term
| Methods of analog video distribution? |
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Definition
- Splitter
- Combiner
- Tap
- Distribution Amplifier
- RF Modulator |
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Term
| What is needed for digital video distribution? |
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Definition
| you need and A/D converter |
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Term
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Definition
| Video Electronics Standards Association |
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Term
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Definition
Sets industry video interface standards for computers
sets standards for computer based video |
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Term
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Definition
| Closed circuit television |
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Term
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Definition
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Term
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Definition
| Point in space represented by X,Y, Z coordinates |
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Term
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Definition
| a line connecting 2 vertices that is used for display purposes and has no acoustic properties |
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Term
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Definition
| a plane made of multiple vertices that has acoustic properties |
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Term
| What is an audience area? |
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Definition
a plane 3.94 feet of the ground that represents the average ear height of a seated listener
Used for EASE predictions and to determine coverage |
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Term
| Info that speaker model file contains? |
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Definition
Balloon Attenuation Data (Polar Pattern)
Sensitivity Data |
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Term
| Info that wall material file contains? |
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Definition
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Term
| 2 important elements to utilize room model in EASE? |
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Definition
Audience Area
Loudspeaker |
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Term
| F6 key in EASE does what? |
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Definition
| Saves and Applies Project Data |
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Term
| Name used to describe units of absorption? |
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Definition
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Term
| Phases in an install project? |
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Definition
Program Phase
Design Phase
Construction Phase |
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Term
| Teams involved in install |
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Definition
Owner
Design Team
Installation Team
Management Team |
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Term
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Definition
| Determines the nature of the system, infrastructure and system budget |
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Term
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Definition
Going to a similar facility to find out what they are doing with the A/V system
A good way to figure out what works and what doesn't |
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Term
| What should be included in the programming phase report? |
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Definition
Executive summary
System description
Infrastructure
Special issues
Preliminary budget
Cost breakdown |
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Term
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Definition
| The architectural elements of a building |
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Term
| Some of the forms you might have to use in install? |
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Definition
Letter of transmittal
RFI
RFC
CO
CCD |
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Term
| What is a one-line drawing? |
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Definition
| Simplified representation of the system (Signal Flow diagram) |
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Term
| What phase do you actually buy the equipment? |
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Definition
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Term
| OSHA environmental standards suggests for job site |
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Definition
Temp: 68º-76º
Humidity: 20 - 60% |
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Term
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Definition
| A list of tasks that need to be completed according to the contract |
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Term
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Definition
CAN - Captive Audience Network
OOH - Out Of Home |
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Term
| Past methods of gathering info? |
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Definition
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Term
| Categories of digital signage? |
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Definition
Large outdoor displays
Transportation related
Room signage |
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Term
| Largest user of digital signage? |
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Definition
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Term
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Definition
| Places customers will be for an extended period of time |
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Term
| Components that make up digital signage? |
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Definition
Display
Media player
Scheduler
Content |
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Term
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Definition
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Term
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Definition
| Tells the player to play certain content at certain time |
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Term
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Definition
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Term
| Most important thing to thing about when designing a system? |
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Definition
| Value to operator and audience? |
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Term
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Definition
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Term
| Four main parts of the ear? |
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Definition
Inner
Middle
Outer
Auditory Nervous System |
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Term
| Difference between conductive and sensorineural hearing loss? |
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Definition
Conductive: Sound is prevented from entering the ear
Sensorinerual - Damage to the cochlea or nervous system |
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Term
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Definition
| Damage to the sensory hair cells that cause a tone to be heard |
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Term
| What is an otoscope used for? |
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Definition
| Examination of the middle and outer ear |
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Term
| Different kinds of hearing aids? |
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Definition
Open fit
Behind the ear
In the ear
In the canal
Completely in the canal |
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Term
| Different kinds of implants available? |
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Definition
Cochlear
Bone-anchored hearing aid
Middle ear implant
Auditory brainstem |
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Term
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Definition
| Takes a magnetic field that is outputted by a device and translates it into sound |
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Term
| Biggest drawback of infrared? |
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Definition
| Requires line of sight to work |
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Term
| How does an induction loop work? |
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Definition
| Transmits an electromagnetic wave that can be picked up by a telecoil or induction receiver |
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Term
| How many channels does Pro-Logic support? |
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Definition
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Term
|
Definition
| 5 audio channels with one LFE |
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Term
| First film to use surround sound? |
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Definition
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Term
| Requisites for a system to be THX certified? |
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Definition
Physical structure
Projection system
Seating arrangement
Sound system |
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Term
| Standards theaters must satisfy for THX certification? |
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Definition
Noise and distortion levels
Sightline ratios
Equipment caliber
Meet Lucas Films standards |
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Term
| How did Dolby put digital audio on filmstrip? |
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Definition
| They put audio between the sprocket holes |
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