Williams Sound WIR RX6 Guide d'installation télécharger pdf (Page 4)

Williams Sound

Helping People Hear

SYSTEM OVERVIEW

The Williams Sound WIR TX800 System consists of a MOD 112 Modulator and one or more

TX8 Emitters which use invisible infrared (IR) light waves to broadcast speech or music to

wireless infrared receivers.

The MOD 112 accepts a variety of audio inputs and sends 95 kHz and 250 kHz frequency

modulated signals to the TX8 Emitter via coaxial cable. The emitter emits invisible infrared

light into the listening area. Infrared receivers detect the transmission and convert the light

signals back into audio signals.

The system is designed to transmit high quality audio for hearing assistance and language

translation applications. Because the system uses infrared light for transmission, it is not

affected by interference from radio equipment and does not interfere with radio equipment.

No FCC license is required.

The TX8 Emitter is designed to distribute its power equally among the channels sent to it for

transmission. Thus, when only a single channel is present, the TX8 uses all its power to

broadcast the lone signal, achieving a coverage area of approximately 10,000 square feet

(930 square meters). When two signals are sent to the TX8 (as is the case when the MOD

112 is in Stereo mode or in Discrete mode when both channels are in use), the TX8 divides

its power among the two signals. This makes for a practical coverage area of about 3,767

square feet (350 square meters). This important principle is illustrated in Figure 3. Larger

areas can be covered with additional emitters.

The system can be used with a microphone as a stand-alone system, or can be connected to

an existing sound system. Infrared Systems cannot be used in bright sunlight because of

sunlight’s large amount of interfering infrared light.

1 2 3 4 5 6 7 8 9 ... 23 24

Pas de commentaire

Williams Sound WIR RX6 Guide d'installation Page 4