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Summary of Contents for Williams Sound WIR TX75 PRO
- Page 1 WIR TX75 PRO Infrared Transmitter 2.3,2.8 / 3.3,3.8 MHz USER Manual MAN 166E...
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Page 2: Table Of Contents
Connect Power ................................10 Connect Audio Source ..............................10 Adjust the Audio Level ..............................10 Connecting Master and Slave Units ..........................11 WIR TX75 PRO Indicators .............................. 12 Mounting Options ................................. 12 Accessories ..................................12 Troubleshooting ..................................13 Optional Receivers................................14 Limited Warranty................................... -
Page 3: Important Safety Instructions
CAUTION! Do NOT plug the WIR TX75 PRO (master) CAT-5e / RJ45 cable into anything other than the WIR TX75-S slave(s). The TX75 PRO CAT-5e / RJ-45 connection is proprietary and is NOT compatible with ethernet or any other RJ-45 systems. -
Page 4: Recycling Instructions
Use only the power supply provided by Williams Sound. Other power supplies may have similar specifications, but may not be equivalent in emissions ratings, in-rush current, etc. Use of an unapproved power supply may leave the device partially or completely inoperable, and will void the warranty. -
Page 5: System Overview
3.8 MHz. The WIR TX75 PRO is ideal for high-quality audio programs such as music, theater and audio description. The WIR TX75 PRO will accept any line level, balanced or unbalanced audio inputs. Infrared receivers detect the transmission and convert the light signals back into audio signals. -
Page 6: Installation Procedures
When using the WIR TX75 PRO transmitter in single-channel mode with the RX22-4 receiver, the system coverage area will exceed 5000 ft² (185 m²). WIR TX75 PRO units automatically adjust to give the best coverage area possible in both 1-channel and 2-channel modes. -
Page 7: Optional Wir Tx75-S Slave Emitter For Additional Coverage
3: coverage area with second emitter added to same emission point (50% increase) FEET MASTER ONLY MASTER + SLAVE A156 figure 5: WIR TX75 PRO master and two WIR TX75-S slaves at an angle of 35° to each other. -
Page 8: Control Panel
WIR TX75 PRO Infrared Transmitter A159 Control Panel figure 6: WIR TX75 master rear view CH 1 AUDIO SLAVE TRANSMIT LEVEL INDICATOR POWER INDICATOR (YELLOW) (YELLOW) SLAVE POWER INDICATOR CH 2 AUDIO (GREEN) LEVEL ADJUSTMENT INDICATOR SLAVE TRANSM INDICATOR (YELLOW) -
Page 9: Connect Power
When no audio signal is present on a channel for three minutes, the TX75 will shut down that channel. Operating the WIR TX75 PRO in single-channel mode provides a 40 percent increase in range over two-channel mode. -
Page 10: Adjust The Audio Level
When a cable is plugged into a “to slave” jack, the master unit will automatically detect mis-wired, intermittent or bad CAT-5e cables; a yellow status indicator light will blink on that channel’s “to slave” jack to indicate any problem. See WIR TX75 PRO Indicators table on page 12 for instructions on how to read indicator lights. - Page 11 A508 Troubleshooting For easier troubleshooting, the TX75 units are equipped with a series of self-tests and indications. Please see WIR TX75 PRO indicator lights table on page 12 to aid in troubleshooting. The WIR TX75 PRO “Power Indicator” is not lit: •...
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Page 12: Mounting Options
• Check for ground loops or noise on the input signal. • Check to make sure the “balanced / unbalanced” switch is in the correct position. If these instructions do not address your problem or the issue persists, please call your authorized Williams Sound dealer or representative. -
Page 13: Accessories
WIR TX75 PRO Infrared Transmitter Accessories MIC 027 Hand-held unidirectional microphone MIC 090 Lavaliere microphone MIC 100 Rear-wear headset microphone PLE 078 SIL - Silver Faceplate (included) PLE 078 WHT - White Faceplate (optional) WCA 051 - Female XLR to Phoenix 3’ Stereo RCA cable WCA 096 - 12”... - Page 14 WIR TX75 PRO Infrared Transmitter WIR RX22-4 Receiver: CHANNEL SELECTOR EARPHONE JACK ON/OFF "ON" VOLUME SWITCH INDICATOR A162 NOTE: On the RX22-4, channel 1=2.3 MHz, channel 2=2.8 MHz, channel 3=3.3 MHz, and channel 4=3.8 MHz. Infrared Transmitter Specifications model WIR TX75 PRO (master) Dimensions, Weight: 10.0"...
- Page 15 WIR TX75 PRO Infrared Transmitter Operating Requirements: 0-50° C (32°-122°F) Mounting Kit: Wall or Ceiling mount: BKT 024 Omnidirectional mount Optional: slave linking bar (MLB 003) Warranty: 5 Years Approvals: CE, C-tick, FCC, Industry Canada, WEEE, RoHS, CB Scheme Compatible Receivers: WIR RX22-4, WIR RX18, WIR RX15-2 NOTE: Specifications subject to change without notice.
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Page 16: Limited Warranty
Williams Sound products are engineered, designed, and manufactured under carefully controlled conditions to provide many years of reliable service. Williams Sound warrants the WIR TX75 PRO infrared listening system against defects in materials and workmanship for five (5) years. During the first five years from the purchase date, we will promptly repair or replace the WIR TX75 PRO infrared listening system.
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