Page 4 - Compatibility
Compatibility T-680 Series mics are designed to work with Vega's Model 662 Series receivers. T-680s are not necessarily compatible with other receivers, especially if not purchasedtogether. System receivers must use DYNEX®III audio processing and use precisely the samefrequencies as the transmitters...
Page 5 - Operating Instructions
Operating Instructions (1) Verify that the associated wireless-microphone receiver is on the exact samefrequency as the T-680 Series transmitter to be used. (2) Set up, adjust, and connect the receiver as described in its instruction manual. (3) Verify that the transmitter's battery is fresh. (4) Tu...
Page 6 - Antennas; Optional Antennas
Antennas The receiver antenna may be the most important single component in a wireless-microphone system. However, this is the item most often overlooked in setting up asystem, and is frequently the cause of quite unnecessary problems. Proper placementof the receiving antenna(s) is vitally important...
Page 7 - Antenna Placement
UHF communications antennas are also sometimes used for specializedrequirements. However, such antennas are usually narrow band and must bemodified to function properly in the 494 to 608 MHz and 614 to 806 MHz ranges.Contact the Vega factory or your sales representative for assistance in selectingan...
Page 8 - In Case of Difficulty; General
In Case of Difficulty The majority of difficulties with Vega wireless mics are not due to equipmentfailure. Vega equipment is fully tested before leaving the factory. In most instances,problems are due to equipment application. The following paragraphs describe the most commonly encountered applicat...
Page 9 - Interference
Interference Vega wireless-microphone systems have been specifically designed to rejectinterference. However, interfering signals might fall directly on the receiverfrequency, making it impossible to avoid problems completely. As mentionedabove, this can be a particular problem if the receiver audio...
Page 10 - Receiver Noise; Vega FaxBack
Receiver Noise Vega wireless microphone receivers are designed to be extremely sensitive.Although high-performance squelch circuits are provided, it is not unusual for thereceiver squelch to open and let through audio noise when the transmitter is off. Thisis usually due to spurious outputs from two...
Page 11 - Factory Service Center:; Claims
Important: Be sure the exact return address and a description of the symptoms are enclosedinside the package with your equipment. It's also advisable to return the transmitter and receiver for a full system performancetest when practical. Factory Service Center: Vega9900 E. Baldwin PlaceEl Monte, CA...
Page 12 - T-680 Series Transmitter Specifications; UHF PRO PLUS System Specifications
12 T-680 Series www.vegawireless.com 9900 East Baldwin Place • El Monte, California 91731-2294 Telephone: (626) 442-0782 • Toll-Free: 800-877-1771 Fax: (626) 444-1342 • CompuServe: 73513,1417 FaxBack: (626) 444-2017 • Toll-Free FaxBack: 800-274-2017 Printed in U.S.A. ©April 2000 Vega T-680 Series Tr...