Lectrosonics UH400 Operating Instructions And Troubleshooting Manual Download | Manualshive

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UH400

FREQUENCY-AGILE

PLUG-ON UHF TRANSMITTER

LECTROSONICS, INC.

Rio Rancho, NM

www.lectrosonics.com

OPERATING INSTRUCTIONS

and trouble-shooting guide

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Summary of Contents for UH400

Page 1: ...UH400 FREQUENCY AGILE PLUG ON UHF TRANSMITTER LECTROSONICS INC Rio Rancho NM www lectrosonics com OPERATING INSTRUCTIONS and trouble shooting guide...

Page 2: ...venues The UH400 is a rugged machined aluminum package Selectable voltage phantom power is provided on pins 2 and 3 Level indicating LEDs are provided to make level settings quick and accurate withou...

Page 3: ...outputs are ana log signals As of this writing the patent is still pending so we cannot reveal detailed information about the algorithm at this time Channel noise still has an impact on received sign...

Page 4: ...operation The battery contacts are spring loaded to prevent rattle as the unit is handled FREQUENCY AGILITY The transmitter section uses a synthesized frequency selectable main oscillator The frequen...

Page 5: ...ttery by using constant current sources and current limiters With this dynamic arrangement the UH400 can also supply more than twice the current of competing 48 Volt plug on units and provide 4 times...

Page 6: ...l opera tion to improve the signal to noise ratio of the system The limiting action is not audible and does not create distortion A highly trained ear would hear only the compression of the peaks in t...

Page 7: ...ck then try the 100 kHz switch again To gain access to these switches slide the access door open with a fingernail SELECTING THE OPERATING MODE This unit is capable of working with Lectrosonics 100 se...

Page 8: ...ards The battery life will be affected by the amount of phantom power supplied to any microphones that require it A high drain 48 Volt microphone can shorten battery life by 40 or more A light drain 1...

Page 9: ...n transmitter and receiver as it is being used Refer to the Operating Instructions section for details on gain adjustment 2 Receiver output may be mismatched with the sound system or recorder input Ad...

Page 10: ...disabled Signal to Noise Ratio dB SmartNR No Limiting With Limiting overall system 400 Series mode Off 103 5 108 0 Normal 107 0 111 5 Full 108 5 113 0 Note The dual envelope soft limiter provides exc...

Page 11: ...here is a charge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs RETURNING UNITS FOR REPAIR You will save yourself time and trouble if you wil...

Page 12: ...c or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of L...

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