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Related Manuals for Lectrosonics IFBT4-VHF/X
Summary of Contents for Lectrosonics IFBT4-VHF/X
- Page 1 INSTRUCTION MANUAL IFBT4-VHF Frequency-Agile Compact IFB Transmitter IFBT4-VHF, IFBT4/E01-VHF, IFBT4-VHF/X Featuring Digital Hybrid Wireless Technology ® U.S. Patent 7,225,135 Fill in for your records: Serial Number: Rio Rancho, NM, USA Purchase Date: www.lectrosonics.com...
- Page 2 IFBT4-VHF, IFBT4/E01-VHF, IFBT4-VHF/X LECTROSONICS, INC.
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Page 3: Table Of Contents
Synthesized VHF IFB Transmitter Table of Contents General Technical Description ........... 4 Introduction ................ 4 Audio Input Interface ............4 DSP-controlled Input Limiter ..........4 Digital Hybrid Wireless ® Technology ........5 Audio Signal Processing ............ 5 Pilot Tone Squelch System ..........5 Frequency Agility.............. -
Page 4: General Technical Description
A user-selectable low frequency roll-off can be set for on other Lectrosonics receivers. The interface can be 35 Hz or 50 Hz as needed to suppress low frequency Locked to prevent a user from changing any settings acoustic noise or to extend the frequency response. -
Page 5: Digital Hybrid Wireless ® Technology
Audio Signal Processing Antenna Port Lectrosonics IFB systems use a single band compan- The 50 Ohm BNC output connector will work with stan- dor and pre-emphasis/de-emphasis to reduce noise. dard coaxial cabling and remote antennas. -
Page 6: Front Panel Controls And Functions
Main window navigates to the Frequency window. The Frequency window displays the current operating frequency in MHz, as well as the standard Lectrosonics hex code. Also displayed is the UHF television channel to which the selected frequency belongs. In XMIT mode, it is not possible to change the operating frequency. -
Page 7: Compat Setup Screen
Synthesized VHF IFB Transmitter ROLLOFF Setup Screen IFB - Lectrosonics IFB compatibility mode. This is the default setting and is the appropriate setting to The ROLLOFF setup screen controls use with the Lectrosonics IFBR1A or a compat- the low frequency audio response of ible IFB receiver. -
Page 8: Rear Panelcontrols And Functions
IFBT4-VHF, IFBT4/E01-VHF, IFBT4-VHF/X Rear Panel Controls and Functions IFBT4-VHF Rear Panel Input Configuration (Mode Switches) The MODE switches allow the IFBT4 to accommodate a variety of input source levels by changing the input sensitivity and the pin functions of the input XLR jack. -
Page 9: Installation And Operation
Synthesized VHF IFB Transmitter Installation and Operation 10) Once the transmitter audio gain has been set, the 1) The IFBT4 transmitter is shipped with pin 1 of the receiver and other components of the system can XLR input connector tied directly to ground. If a be turned on and their audio levels adjusted. -
Page 10: Accessories
IFBT4-VHF, IFBT4/E01-VHF, IFBT4-VHF/X Accessories DCR12/A5U DCR12/A5U AC power supply for IFBT4 transmitters; 100-240 V, 50/60 Hz, 0.3 A input, 12 VDC regulated output; Locking collar with 5/16”-32 thread 7-foot cord with LZR threaded locking plug and interchangeable blades/posts for use in Europe, UK, Australia and USA. -
Page 11: Troubleshooting
Synthesized VHF IFB Transmitter Troubleshooting NOTE: Always ensure that the COMPAT (compatibility) setting is the same on both transmitter and receiver. A variety of different symptoms will occur if the settings do not match. Symptom: Possible Cause: Display Blank 1) External power supply disconnected or inadequate. 2) The External DC power input is protected by an auto-reset polyfuse. -
Page 12: Specifications
IFBT4-VHF, IFBT4/E01-VHF, IFBT4-VHF/X Specifications Operating Frequencies (MHz): 174.100 to 215.750 MHz Audio Input Config: Balanced and Unbalanced, rear panel selectable for Line, Mic. RTS 1, RTS 2, and Clear Comm Available Frequencies: Audio Input Impedance: Greater than 2 K balanced, greater... -
Page 13: Declaration Of Conformity
Synthesized VHF IFB Transmitter Declaration of Conformity Rio Rancho, NM... -
Page 14: Service And Repair
There are no adjustments inside that will make a malfunctioning unit start working. LECTROSONICS’ Service Department is equipped and staffed to quickly repair your equipment. In warranty repairs are made at no charge in accordance with the terms of the warranty. Out-of-warranty repairs are charged at a mod- est flat rate plus parts and shipping. - Page 15 Synthesized VHF IFB Transmitter Rio Rancho, NM...
- Page 16 This warranty does not apply to used or demonstrator equipment. Should any defect develop, Lectrosonics, Inc. will, at our option, repair or replace any defective parts without charge for either parts or labor. If Lectrosonics, Inc. cannot correct the defect in your equipment, it will be replaced at no charge with a similar new item.
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