III. Writing exercises:

Exercise 1. Complete the sentences with the suggested words:

To, and, that, power, supply

Three essential buses____ control power _____ selected flight crew controls __________ operational ______-- to electrical loads __________ are deemed essential.

Exercise 2. Fill in the table with words and expressions from the text:

	parts	system	processes
Example: The EPDC subsystem consists of	-	-	three bus systems.
Nine control buses are used
Each DA contains
Hybrid relays are used to

Exercise 3. Compose a story on one of the topics (up to 100 words):

“The EPDC subsystem”

“Types and functions of assemblies”

“Hybrid drivers and their functions”

Lesson 9

Read the text cooper wiring devices introduces aspire rf™ wireless control system

Cooper Wiring Devicestoday announced its exciting new ASPIRE RF™ Wireless Control System that combines the elegance of sophisticated design with the innovation of intelligent wireless technology, to give homeowners new levels of comfort, control and style inside and outside the home. It features a full line of switches, receptacles, dimmers, scene controls, remote controls, accessories and screwless wall plates. Any of the products can be controlled with the press of a single button on a remote control, or joined with other devices to create “events” or “scenes” that offer ambience, convenience and energy savings. ASPIRE RF provides the next generation of more convenient, dependable and user-friendly wireless controls.  Any ASPIRE RF light switch, power receptacle, dimmer or component can be controlled with a simple touch command.  Using ASPIRE RF’s handheld controllers, a computer or a PDA, a wide range of devices can be managed. In addition, the simple programming suite provides an intuitive set-up process that is remarkably easy to install and use in any new or existing home; no new wiring is needed. “The ASPIRE RF line compliments the Cooper Wiring Devices’ portfolio of home control and networking solutions that will equip customers with a robust communication and control package to meet the technology demands of today’s digital home,” said Jason Sherrill, Product Manager, Cooper Wiring Devices.  “ASPIRE RF meets the long-standing need for a highly reliable and interoperable wireless control solution for homes and small offices. Cooper Wiring Devices’ ASPIRE RF products incorporate Z-Wave’s highly versatile and dependable two-way RF (radio frequency) based technology to connect over 200 devices in a single network. ASPIRE RF products establish a “mesh network,” providing the ultimate reliability and performance in home control. By allowing each device to act as a repeater it ensures that every command is carried out. And, each ASPIRE RF product offers complete interoperability with any other Z-Wave partner products. Using the aesthetic design of the award-winning, contemporary-styled ASPIRE™ Design System line of decorator wiring devices, ASPIRE RF includes the ASPIRE signature curve motif, and contrasting matte and low-gloss finishes.  The series is available in three two-toned color combinations:  Desert Sand, White Satin and Silver Granite. ASPIRE RF, with its unique ASPIRE styling, is designed to offer builders, remodelers, architects, designers and homeowners the most exciting home enhancement in decades. Aspire RF will be released in select markets throughout North America starting in November of 2007 and will be rolled out nationally in 2008.