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INFRARED HEADPHONE TRANSMISSION SYSTEMS
The Ultra Phonic Infrared HeadponeTransmission System is designed
to provide intelligible, clear sound for your hearing-impaired customers.
TABLE OF CONTENTS
UPC-21 FEATURES.................................................................................. 3
UPC-21 INSTALLATION............................................................................ 4
AUDIO & POWER CONNECTIONS.......................................................... 5
PRELIMINARY LEVEL SETTINGS............................................................ 6
MOUNTING THE EMITTER....................................................................... 6
INSTALLATION USING TWO IRC-21S...................................................... 8
FACTS ABOUT INFRARED TRANSMISSION SYSTEMS......................... 9
Illustrations:
UPC FEATURES........................................................................ 3
UPC-21 AUDIO, POWER CONNECTIONS................................ 5
SUMMING RESISTOR NETWORK............................................ 5
DIODE LIFE EXPECTANCY CHART.......................................... 7
FRONT AND REAR MOUNTED VIEWS..................................... 7
INSTALLATION USING 2 IRC-21S............................................. 8
UPC-21
I
NSTRUCTION
M
ANUAL
Ultra Stereo Labs, Inc.
