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Infrared System • Model WIR SYS 90 PRO
SoundPlus
®
Infrared System • Model WIR SYS 90 PRO
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NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
The TX90 floods the listening audience with a
cone shape light pattern as shown here.
The path of the cone shape light leaves a
pattern on the ground, or "foot print, " and
indicates where the strongest receiver
reception will occur.
The actual coverage area will vary depending
on the sensitivity of the receiver being used.
Refer to Figures 3 and 6 to determine how
many emitters are required for 100% coverage
of the listening area.
Minimum Receiver Range When Operating with a TX90 Transmitter in Single Channel Mode
RX22-4 Receiver:
150' (45 m)
RX14-2: 80' (24 m) RX16: 70' (21 m)
SCREEN
30'
STAGE
6'
Center Of Emitter Beam
TX90
(Range)
To determine the best location for the transmitter, it helps to think of the IR transmitter as an invisible
floodlight. You’ll want to aim it so the listeners are “flooded” with the infrared light. The transmitter
should also be positioned high enough so it won’t be blocked by people and other physical obstructions.
See Figure 5 below. Mount the transmitter at least 2 ft. (.61 m) above the audience. Position the transmitter
to face in a slightly downward angle, 20°, that will increase the “throw” of the infrared beam.
Fig. 4: 3-Dimension Foot Pattern
Fig. 5: Vertical Beam Spread
©2008, Williams Sound Corp. MCAT 065A
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