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Multi-Frequency IFB Transmitter

Rio Rancho, NM

3

Table of Contents

General Technical Description ..............................................................................................................................................................4

Introduction ...........................................................................................................................................................................................4

Audio Input Interface .............................................................................................................................................................................4

Input Limiter ..........................................................................................................................................................................................4

Audio DSP and Noise Reduction ..........................................................................................................................................................5

Pilot Tone Squelch System ...................................................................................................................................................................5

Frequency Agility...................................................................................................................................................................................5

Power Delay ..........................................................................................................................................................................................5

Microcontroller ......................................................................................................................................................................................5

Transmitter ............................................................................................................................................................................................5

Antenna System ....................................................................................................................................................................................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

ROLLOFF Setup Screen .......................................................................................................................................................................6

COMPAT Setup Screen .........................................................................................................................................................................7

IFBT4 Menu Diagram ............................................................................................................................................................................7

TUNING Setup Screen .........................................................................................................................................................................8

Lock/Unlock Panel Buttons ...................................................................................................................................................................8

Rear Panel Controls and Functions ......................................................................................................................................................9

IFBT4 Rear Panel .................................................................................................................................................................................9

XLR Jack ...............................................................................................................................................................................................9

MODE Switches ....................................................................................................................................................................................9

Power Input Connector .........................................................................................................................................................................9

Antenna .................................................................................................................................................................................................9

Installation and Operation ...................................................................................................................................................................10

Operating Notes ....................................................................................................................................................................................10

Supplied Accessories ..........................................................................................................................................................................11

Optional Accessories ...........................................................................................................................................................................12

UHF Transmitter Antenna Specifications ...........................................................................................................................................13

Specifications .......................................................................................................................................................................................14

Troubleshooting ....................................................................................................................................................................................15

Service and Repair ...............................................................................................................................................................................16

Returning Units for Repair ..................................................................................................................................................................16

Содержание IFBT4

Страница 1: ...HF IFB Transmitter IFBT4 IFBT4 E01 IFBT4 X INSTRUCTION MANUAL Rio Rancho NM USA www lectrosonics com Fill in for your records Serial Number Purchase Date Featuring Digital Hybrid Wireless Technology U...

Страница 2: ...IFBT4 IFBT4 E01 IFBT4 X LECTROSONICS INC 2...

Страница 3: ...T Switch 6 Power Up Sequence 6 Main Window 6 Frequency Window 6 Audio Input Gain Window 6 Setup Window 6 ROLLOFF Setup Screen 6 COMPAT Setup Screen 7 IFBT4 Menu Diagram 7 TUNING Setup Screen 8 Lock Un...

Страница 4: ...dio inputs The four DIP switches allow setting the input sensitivity for low levels such as micro phone inputs or for high levels such as line inputs bal anced or unbalanced The switches also offer sp...

Страница 5: ...f the pilot tone squelch system is that the receiver will remain muted until it receives the pilot tone from the matching transmitter even if a strong interfer ing RF signal is present on the carrier...

Страница 6: ...ates to the associated setup screen ROLLOFF Setup Screen The ROLLOFF setup screen controls the low frequency audio response of the IFBT4 by moving the 3 dB corner of a 4 pole low pass digital filter T...

Страница 7: ...Compatible with certain non Lectrosonics receivers Contact factory for more information NOTE If your Lectrosonics receiver does not have Nu Hybrid mode use Euro Digital Hybrid Wireless EU Dig Hybrid E...

Страница 8: ...jump to the first and last frequencies in the group In user groups U and V MENU Up and MENU Down permit access to frequencies not already in the group User Programmable Frequency Group Behavior The u...

Страница 9: ...switches 3 and 4 adjust the input sensitivity Switch Positions Input Name 1 2 3 4 XLR Pins Balanced Sensitivity CC qqqp 3 Audio No 10 dBu 1 Common MIC pppq 2 Hi Yes 42 dBu 3 Lo 1 Common LINE ppqq 2 Hi...

Страница 10: ...el XLR jack For floating input open the unit and move the Ground Lift Jumper to the desired location Installation and Operation 4 Insert the microphone or other audio source XLR plug into the input ja...

Страница 11: ...cro cable strain relief One piece mounts to re ceiver and the cable is held between that piece and a mating cover piece 35679 Lectrosonics screwdriver and adjustment tool for setting transmitter gain...

Страница 12: ...cable with BNC connectors at each end Loss of 1 to 2 dB with 0 25 diameter ARG25 ARG50 ARG100 An antenna cable of Belden 9913F low loss coax cable with BNC connectors at each end Double shielded flexi...

Страница 13: ...ENGTH 470 470 100 495 600 Black 4 73 19 486 400 511 900 Black 4 51 20 512 000 537 500 Black 4 05 21 537 600 563 100 Brown 3 80 22 563 200 588 700 Red 3 48 23 588 800 614 300 Orange 3 36 24 614 400 639...

Страница 14: ...to select the approved frequencies for the region where the transmitter is operating E01 and X Block 470 470 100 495 600 Block 19 486 400 511 900 Block 20 512 000 537 500 Block 21 537 600 563 100 Blo...

Страница 15: ...BR1a headset cable is the antenna 3 Transmitter and receiver not on same frequency Check on transmitter and receiver 4 Operating range is too great 5 Transmitter antenna not connected 6 Transmitter sw...

Страница 16: ...Repair For timely service please follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by email or by phone We need to know the nature of the problem...

Страница 17: ...17...

Страница 18: ...IFBT4 IFBT4 E01 IFBT4 X LECTROSONICS INC 18...

Страница 19: ...Multi Frequency IFB Transmitter Rio Rancho NM 19...

Страница 20: ...ge with a similar new item Lectrosonics Inc will pay for the cost of returning your equipment to you This warranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping c...

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