Electrical Systems
Voltage is the force that causes what to flow through a conductor?
Current
_________ is the most important step in converting data in a transmitter.
Modulation
What is usually the best approach for communicating a detailed technical AV plan information to a client?
Sending the client a document containing the information.
What is a site survey checklist typically used to do?
Document general information about a client and the site that may be relevant for the AV design and installation tasks
What is the primary issue the AV designer should examine when evaluating the AV control or projection room area?
If the room meets the required size, power and HVAC requirements and provides other services needed for the AV system components.
Current is measured in _______.
Amperes
The range of RFs between 300 MHz and 3 GHz is the ______ band.
UHF
What is the most valuable source of information when defining the needs for an AV system?
End-user descriptions of the tasks and applications the AV system will support
What type of plan drawing depicts the layout of items on the ceiling?
Reflected Ceiling Plan
Based on your review of the client needs, the display should consist of an HD wide-screen flat-panel monitor that is 4 feet high. How wide is the image displayed on this monitor?
7.12 feet (2.17 meters)
Power is measured in __________.
Watts
What does the transmitter do with its audio, video and/or data?
Converts it to be sent via antenna.
What is the main purpose of an initial needs analysis?
Identify the activities that the end users will perform and the functions that the AV system should provide to support these activities.
What drawing would you review to find out exactly how the projector should be mounted to the ceiling?
Detail Drawing
What is the primary issue that the AV designer should assess when reviewing the acoustic environment at a client site?
Ambient noise and reverberation.
When planning an electrical system do not exceed ___ percent of the capacity of any circuit.
80%
What is the main function of the diversity receiver?
How are task parameters used when defining user needs?
To provide overall information about the desired general AV needs.
NTS
Ambient light levels in the room.
The main panel distributes power using what?
Feeders and subpanels
What AC signal falls into the RF spectrum?
3 kHz to 300 GHz
What is purpose of bench-marking?
To give the client an opportunity to experience a number of AV system designs that address similar needs.
What does a section cut symbol on a drawing indicate?
An interior view of a wall or ceiling structure.
What is the typical primary concern of the AV designer when evaluating the HVAC systems at a client site?