Williams Sound SoundPlus Infrared System WIRTX900 Manuale Utente
SoundPlus
®
Infrar
ed System •
Model WIR TX900
SoundPlus
®
Infrared System •
Model WIR TX900
D
D
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2006, Williams Sound Corp. CAT 089F
1
Description:
The WIR TX900 is a high performance, cost-effective infrared system designed for simultaneous lan-
guage interpretation of up to four languages. Operating on 2.3-3.8 MHz, the WIR TX900 is less sus-
ceptible to traditional radio and lighting interference. When using the optional RX22-4 four-chan-
nel receiver, the WIR TX900 will operate up to 28,000 ft
guage interpretation of up to four languages. Operating on 2.3-3.8 MHz, the WIR TX900 is less sus-
ceptible to traditional radio and lighting interference. When using the optional RX22-4 four-chan-
nel receiver, the WIR TX900 will operate up to 28,000 ft
2
in single channel mode, ideal for auditori-
ums, theaters or other large venues.
Applications:
• Simultaneous Interpretation • Audio Description • Conferences • Multi-Media Rooms • Boardrooms •
Courtrooms • Schools • Universities • Cinema • Churches
• Simultaneous Interpretation • Audio Description • Conferences • Multi-Media Rooms • Boardrooms •
Courtrooms • Schools • Universities • Cinema • Churches
Size, Weight:
8.5" W x 8.2" D x 1.7" H (21.5 cm x 20.8 cm x 4.4 cm), 3.1 lbs (1.5 kg)
Color:
Black epoxy paint with white legends
Rack Mount:
1/2 rack space wide, 1 rack space high, one or two modulators may be mounted in a
single IEC rack space with RPK 005 (single) or RPK 006 (double) Rack Mount Kits
single IEC rack space with RPK 005 (single) or RPK 006 (double) Rack Mount Kits
Power Supply:
Wall Transformer, 24 VAC, 50-60 Hz, 15 VA
North America:
North America:
TFP 016, UL/CSA
Europe:
TFP 027-01, 2-pin Schuko plug, CE
UK:
TFP 027-02, 3-pin UK plug, CE
Modulation:
FM Wideband, +50kHz deviation, 50uS pre-emphasis
Carrier Frequency:
Channel A: Selectable, 2.3/2.8/3.3/3.8 MHz,
Channel B: Selectable, 2.3/2.8/3.3/3.8 MHz
Channel B: Selectable, 2.3/2.8/3.3/3.8 MHz
Signal-to-Noise Ratio:
More than 60 dB
Frequency Response:
30 to 16,000 Hz, +1 dB, -3 dB, electrical response
Total Harmonic Distortion:
Less than 2%, electrical response
Audio Processing:
Compression (slope) adjustable from 1:1 to 4:1
Switchable compression gain: Moderate: 16 dB. Max: 33 dB
Switchable compression gain: Moderate: 16 dB. Max: 33 dB
Auto Carrier Shut-Off:
15 minute timer shuts off carrier when no audio is present (can be disabled)
Power Switch:
Two-position push button, ON/OFF
Power Indicator:
Green LED
Audio Level Controls:
CHA and CHB Input Level, rotary knobs
Audio Indicators:
CHA and CHB Audio Level, 10-segment LED’s
Carrier LEDs:
4 green LED carrier “on” indicators per channel (indicates frequency, malfunctions)
Compress Control:
1:1 to 4:1
Input Mix LED:
Indicates inputs A and B audio are mixed and transmitted by CHA, CHB off
Stereo LED:
Indicates stereo mode
Phones Switch:
Selects CH1 or CH2 for phones when not in stereo mode
MOD 232 Modulator
Two Channel Infrared System Modulator
Williams Sound
Power
Phones
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Compress
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Inputs Mixed
Stereo
IR
CH A
CH B
Frequency
(MHz)
Frequency
(MHz)
Channel A
Channel B
Microprocessor Controlled
Frequency Synthesized
Fig. 1: MOD 232 Front Panel