Lectronics IFBT4-VHF, Инструкция по эксплуатации

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Synthesized VHF IFB Transmitter
Rio Rancho, NM
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Table of Contents
General Technical Description ............................................4
Introduction .........................................................................4
Audio Input Interface ...........................................................4
Digital Hybrid Wireless
®
Technology ...................................5
Audio Signal Processing .....................................................5
Pilot Tone Squelch System .................................................5
Frequency Agility.................................................................5
Power Delay ........................................................................5
Microcontroller ....................................................................5
Transmitter ..........................................................................5
Antenna Port .......................................................................5
Front Panel Controls and Functions ...................................6
IFBT4 Front Panel ...............................................................6
OFF/TUNE/XMIT Switch .....................................................6
Power Up Sequence ...........................................................6
Main Window .......................................................................6
Frequency Window..............................................................6
Audio Input Gain Window ....................................................6
Setup Window .....................................................................6
COMPAT Setup Screen .......................................................7
Lock/Unlock Panel Buttons .................................................7
IFBT4 Menu Diagram ..........................................................7
Rear Panel
Controls and Functions ................................................8
IFBT4 Rear Panel ...............................................................8
XLR Jack .............................................................................8
Power Input Connector .......................................................8
Antenna ...............................................................................8
Input Configuration (Mode Switches) ..................................8
Frequency Selection ............................................................9
Installation and Operation .................................................10
Adjust Audio Input Level ...................................................10
Accessories ........................................................................11
Troubleshooting ..................................................................12
Specifications .....................................................................13
Service and Repair .............................................................14
Returning Units for Repair ................................................14
Consumer Alert for US Users - FCC Order DA 10-92
Most users do not need a license to operate this wireless microphone system. Nevertheless,
operating this microphone system without a license is subject to certain restrictions: the system
may not cause harmful interference; it must operate at a low power level (not in excess of 50
milliwatts); and it has no protection from interference received from any other device.
Purchasers should also be aware that the FCC is currently evaluating use of wireless micro-
phone systems, and these rules are subject to change. For more information, call the FCC at
1-888- CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC’s wireless microphone website
at www.fcc.gov/cgb/wirelessmicrophones. To operate wireless microphone systems at power
greater than 50mW, you must qualify as a Part 74 user and be licensed. If you qualify and wish
to apply for a license go to: http://www.fcc.gov/Forms/Form601/601.html