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User Manual for Lectrosonics IFBT4 Frequency-Agile IFB Transmitter Click to enlarge the picture
Contents of the user manual for the Lectrosonics IFBT4 Frequency-Agile IFB Transmitter
- Product category: IFB & Cueing Lectrosonics
- Brand: Lectrosonics
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Lectrosonics IFB & Cueing
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User manual for the Lectrosonics IFBT4 Frequency-Agile IFB Transmitter contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Lectrosonics product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Lectrosonics user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Lectrosonics product will considerably shorten its lifespan!
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Product description The IFBT4 from Lectrosonics is a high-quality IFB transmitter designed for applications where long operating range and great audio quality are needed, such as broadcasting, film, and theater. The sleek, simple box can be used as a stand-alone unit, or patched into other widely-used intercom systems. The single XLR input connector is accompanied by four DIP-switches for selecting a mic, line, Clear Com, RTS1, or RTS2 audio source.
The Digital Hybrid Wireless technology allows the system to overcome channel noise by digital encoding and decoding audio in the transmitter and receiver, but sending the encoded signal over an analog FM signal. Due to the FM link being used, the system has all the benefits of traditional FM systems, including high range and resistance to interference, but thanks to the digital technology, the analog compander and artifacts are removed for greater audio quality.
The system is easy to use, featuring a menu-based, microprocessor-controlled system that is navigated with momentary buttons. The backlit LCD is bright and clear for easy reading. The casing is constructed from rugged aluminum to withstand the rigors of professional use, and it is small enough to use in any situation. - Sleek, easy to use IFB transmitter with long range, terrific audio, and low distortion
- Digital Hybrid Wireless technology combines digital and analog technologies to reap the benefits of both
- Choose from 256 UHF frequencies in 100kHz steps
- Microprocessor-controlled with easy-to-use menu-based navigation
- Standard 3-pin XLR jack can accept mic, line, Clear Com, RTS1, and RTS2 signals
- Output power of 250mW for long range transmission, BNC antenna included
- Pilot tone squelch control
- Frequency scrolling with Tx mute
- Compact and rugged aluminum housing
In the Box Lectrosonics IFBT4 Frequency-Agile IFB Transmitter (Frequency Block 19) Antenna AC Adapter Owner's Manual 1-Year Limited Warranty Table of Contents
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Technical parametersLectrosonics IFBT4-19 Specs | Operating Frequency | 486.9 to 492.5 MHz | | Frequencies | 256 Channels Per Block | | Channel Spacing | 100 kHz | | Spurious and Harmonic Suppression | 37 dBc Above 1 GHz | | Frequency Stability | ±0.001% (10 ppm) @ 77°F (25°C) | | Temperature Stability | ±0.001% (10 ppm) @ -22 to 122°F (-30 to +50°C) | | Compatibility Modes | IFB, Digital Hybrid Wireless (400 Series), 100 Series, 200 Series, Mode 3, Mode 6 | | Pilot Tone | 29.997 kHz IFB Mode, 32.765kHz 200 Mode, 400 Mode Step Selected, 32.768 kHz Mode 6 | | Modulation | FM, ±20 kHz Deviation IFB & 100 Mode, ±75 kHz 200 & 400 Mode, ±50 kHz Mode 3 and Mode 6 | | Audio Frequency Response | 100 Hz - 8 kHz, ±1 dB IFB Mode
30 Hz - 20 kHz, ±1 dB 200 & 400 Mode | | Low Frequency Roll-Off | 3 dB Down @ 35 or 50 Hz, Menu Selectable | | Signal to Noise Ratio | 90 dB Typical, A-Weighted | | RF Power Output | 250 mW, Nominal | | Output Impedance | 50 Ohms | | Audio Input Level | Line, RTS1, RTS2: 0 dBu
Clear Com: -10 dBu
Mic Dry Inputs: -42 dBu | | Audio Input Impedance | Balanced: Greater than 2 kOhms
Unbalanced: Greater than 1 kOhm | | Gain | -18 to +24 dB, Software Selectable | | Connectors | 1 x XLR Input Connector
1 x BNC Antenna Connector
1 x DC Power Input | | Controls and Indicators | 4 x Mode Switches (For Selecting Type of Input Source)
1 x Menu Button
2 x Select Buttons (Up/Down)
1 x Off/Tune/Xmit Switch
1 x Backlit LCD Display | | Power | 12-14 VDC, Typical, 200 mA Max | | Dimensions (LxWxH) | 5.25 x 3.25 x 1.25" (133 x 83 x 32 mm) | | Weight | 9 oz (255 g) | | | | Package Weight | 2.9 lb | | Box Dimensions (LxWxH) | 14.0 x 10.8 x 4.1" |
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