At the end of the project, once installation and verification are complete, acceptance of the completed system is documented in a commissioning report and typically signed by:
_____ discrete DMDs are used in larger DLP projectors to generate color.
Which type of control system provides device operation by opening or closing an electrical current or voltage loop?
What are the primary colors of light?
Why is it better to test control systems in the workshop? (Choose all that apply.)
Which diagram is used for positioning mounted equipment within a rack?
After adjusting system equalization using the best tools available, you should: (Choose all that apply.)
When demonstrating the operation of a digital visual system with multiple connections for laptops, it is recommended to:
Exceeding the pulling tension can stretch a cable and change its _____.
The difference between the loudest and quietest levels of an audio signal is the:
Which of the following are features of an audio signal generator? (Choose all that apply.)
Most transformers have multiple wires on the primary side that allow you to adjust the ____ each loudspeaker.
What device is needed to calibrate an SPL Meter:
Which part of the eye enables people to see at night?
Place a cable label on ____ of every cable.
When preparing to install a ceiling mount, what should you determine before you can determine the projector position?
Loudspeakers intended for direct coupled wiring have _____.
The optical path can practically be folded up to _____ .
Sound reinforcement systems are used to perform which of the following?
Which of the following tasks should be done when you arrive on the jobsite for an installation?
The different distributions of white light sources means that each white light_____.
Which of the following is allowed by a parametric equalizer?
The _____ meter is commonly used to monitor broadcast signals.
To find the aspect ratio of a screen, you must _____.
A rack unit is equivalent to approximately ____.
Where do you place the wireless microphone receiver antenna in a rack assembly?
Flexible PVC rear projection screens:
When mounting a 75lb (34 kg) projector with a 15lb (7 kg) mount, the substructure should be able to support a minimum of:
Component video requires _____ cable(s) to carry the signal.
The second conductor of an unbalanced circuit _____.
If sound energy is absorbed by the materials in the space, it has _____.
As a general rule, never bend cable in a radius of less than _____.
The total impedance of a circuit wired in series is represented by the formula _____.
In an electrical power distribution installation, the safety earth/ground connects to: (Choose all that apply.)
What type of rack would you use for an AV event at a remote location?
Where are Blu-ray players typically housed inside of AV racks?
Oscillating symbol 'tilde' ~ with Resistor IMAGE
WHAT IS IS?
In what applications is an A-weighted SPL most useful?
Native resolution is the ___ resolution for the display.
Which of the following is an unambiguous, technical term?
The primary purpose of a sound masking system is to _____.
According to the ANSI/AVIXA V201.01:202X Image System Contrast Ratio (ISCR) standard, what is the minimum contrast ratio for basic decision-making tasks?
RGBS requires _____ cables to carry the signal.
The ___ of a screen should be the same aspect ratio as the projected image.
Which of the following is a compiled program?
The permissible area for one cable in a conduit is limited to _____ percent of the conduit area.
If a fuse blows and you suspect there is a problem with high-voltage (AC mains) wiring, who should you contact immediately?
The amplifier comes right before _____ in the audio system chain.
What Viewing Category applies to a space used for medical imagery?
What is industry best practice for ensuring that all equipment has been delivered to the site for an AV event?
Conduit fill percentage varies by the ___.
Two common scales used on technical drawings are ____.
The two Ethernet standards for an 8-pin modular connector (sometimes called an RJ45) termination are:
_____ signals combine all five video signals on a single cable.
Which testing tool can detect clipped waveforms? (Choose all that apply.)
Which is an RS232 parameter?
In electronics, bandwidth is expressed in terms of the frequency of ___.
Equipment grounding involves ____.
Which device is used for sending the same video signal to multiple destinations?
Why is equipment grounded or wired to the earth?
What best describes the method of transmission of a typical wireless microphone?
Single-mode fiber-optic cables can transmit AV signals up to a distance of before quality is compromised.
Which of the following is an essential deliverable before sign-off?
What connects two wires directly together?
Before submitting AV System drawings to external project stakeholders, the integrator should conduct an internal review of the drawings to ensure that _____.
When pulling a group of cables through conduit, it is advisable to:
Which of the following is the most important consideration during the installation of AV systems in a client-occupied space?
The fill light does which of the following?
Why are the cables twisted in twisted pair cables?
What type of fiber termination has an insert and twist connection?
A porous absorber slows down air molecules using _____.
How can you determine where the loudspeakers go during a loudspeaker installation?
Which are best practice methods for dressing a rack? (Choose all that apply.)
Before installation begins, it is most important to:
When applying electrical tape to a snout you should use _____ at the transitions to make the snout smooth and tapered.
This conduit type forms a lightweight continuous flexible tube that offers the advantage of EMI protection.
What are the five stages of the typical AV process lifecycle?
Why is color temperature awareness important in the AV industry?
In a rear projection system, light rays which reflect off the backside of the screen and strike the mirror more than once create _____.
Project budget refers to which of the following?
According to InfoComm best practices, why should you use pre-measured bolts when connecting a mounting bracket to a flat panel display?
There is a conflict between the wall plate height specified in AV documents and the height the electrical contractor is saying must be used on site. Which of the following forms would be used by the integrator to seek clarification of the correct mounting height of wall plates?
Which of the following are associated with sound pressure levels? (Choose all that apply.)
What does the impedance of a loudspeaker depend upon?
When a live microphone is placed too close to a loudspeaker, ____ will occur.
Each loudspeaker in a constant voltage system connects to the system _____.
Which of the following documents should an AV integrator submit in the event that a manufacturer has discontinued a projector model?
Why is it a good idea for the AV installer to provide end-user training on a new system?
If existing components have to be reused in an AV system, what is a critical task that the installer must perform?
What device is used to verify the signal integrity throughout a video system?
Rear projection is a transmissive system that _____.
How do you determine bolt depth?
LCDs first pass light through a ____, which blocks certain light waves.
When powering a system on, which device from the following list should you turn on last?
When should you run electrical and signal cables to a flat panel display?
When evaluating a solder connection you should see:
One obstacle to the usage of OLEDs is their ____.
An analog computer video display signal has _____ parts.
On a projection screen, hot spotting appears as a _____.
Which sequence of numbers depicts part of a logarithmic scale?
The refractive index varies for different wavelengths of light, producing an effect called _____.
Where should an optical disk player be placed in a rack?
If the audio digital signal processor you have to install is discontinued by the manufacturer, what should you do? (Select all that apply.)
What does a gain sharing automatic mixer do?
Audio Conferencing equipment makes use of acoustic_____ technology.
What is the function of a back box?
The simultaneous use of multiple wireless microphone systems requires _________.
The equation which correctly states the difference in decibels for two power values is _____.
The ____ prevents an electric front projection screen from rising too much.
What is the first step in conducting a technical site survey?
Where should you place the wireless microphone receiver antenna in a rack assembly?
Which of the following is true of an IP control system?
What is the point at which mains power enters a building?
The number of ___ in the primary and secondary sides of a transformer determines the impedance and/or voltage ratio.
HDMI builds on the DVI standard by adding _____.
A customer has recently changed their phone system from a traditional POTS line to VoIP based switch. The new VoIP switch still dials out properly, but no longer hangs up when the far end disconnects. What is most likely the problem?
What kind of material might be used in some rear projection screen applications?
When training a customer on the operation of a touch-panel interface, an example that the GUI is a good design that meets the customer's needs is:
Wavelength is the __________.
Modern RF wireless microphones allow the user to _____ frequencies to avoid interference.
For an ethernet cable (UTP) to meet certification standards, the maximum length is
What should you do if you find a problem with the design of the loudspeaker placement?
Which set of drawings would you reference to locate the power outlet for a video display?
For the purpose of sound reinforcement, loudspeakers are at the end of the _____ path.
The _____ microphone has a long and narrow polar pattern, and is often used in film and television.
Which of the following tasks would not be included in a preventive maintenance program? (Choose all that apply.)
What does an elevation flag on a plan drawing indicate?
Estimating throw distance requires two values: ____ and ____.
Once an audio signal has left a microphone, what processor will it encounter first?
Numerous, persistent reflections of sound are called _____.
A _____ creates mechanical connections of the cables or circuit, like an on/off light switch. It creates a visible "glitch" in the video program.
What type of video is best used to verify audio/video synchronization?
A complete audio signal path begins with acoustical energy and ends with _____ energy.
In a BYOD setup, what will the end-user need to ensure future compatibility with their AV system?
What is the total impedance (rounded) of 10 loudspeakers tapped at 7.5 watts each in a 70v distributed system?
_____ is the distance in meters between two corresponding points of two consecutive cycles.
What piece of test equipment is used to measure speaker resistance in a 70v distributed audio system?
What is a projector's throw distance?
____ is the number of times per second a display - a monitor, television, or projector - will draw the image sent to it.
Which type of microphone exhibits more pickup at the rear than a supercardioid?
How could you secure a Blu-ray player in a rack for stability?
What method can a technician use onsite to verify that the AV device is set to the proper IP address?
Besides a power switch, what else can modern amplifiers have?