Lectrosonics UM400a Instruction manual

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Manual is about: Frequency Synthesized 100 mW UHF Belt-Pack Transmitter

Summary of UM400a

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    Um400a frequency synthesized 100 mw uhf belt-pack transmitter instruction manual rio rancho, nm, usa www.Lectrosonics.Com fill in for your records: serial number: purchase date: featuring digital hybrid wireless ™ technology u.S. Patent 7,225,235.

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    Um400a lectrosonics, inc. 2.

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 3 © copyright 2008 lectrosonics. Inc table of contents general technical description ...........................................................................................................................................................

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    Um400a lectrosonics, inc. 4 introduction the um400a transmitter combines 100 mw of rf output with +/-75 khz wide deviation for extended operating range and extremely high signal to noise ratio. These key design features are coupled with the compandor-free digital hybrid wireless ® audio chain and pa...

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 5 low frequency roll-off the low frequency roll-off at the 3 db down point is vari- able from 35 to 150 hz hz to control subsonic and very low frequency audio content in the audio. The actual roll-off frequency will vary slightly dependi...

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    Um400a lectrosonics, inc. 6 input jack the input on the um400a accommodates virtually every lavaliere, hand-held or shotgun microphone available. Different line level signals can also be accommodated. (see wiring hookups for different sources .) power on/off switch turns the transmitter on and off. ...

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 7 audio level control the front panel audio level control is used to adjust the input level (gain) for optimal modulation. The con- trols provides continuously variable gain over a 43 db range for precise adjustment. Modulation leds the ...

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    Um400a lectrosonics, inc. 8 to open the battery compartment, press outward on the cover door in the direction of the arrow as shown in the illustration. Only firm, sliding pressure is needed to open and close the battery door. Swing the door open and take note of the polarity marked inside showing t...

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 9 attaching a microphone and adjusting gain 1) ensure the battery is in good condition. 2) insert the microphone plug into the input jack, align- ing the pins; be sure that the connector locks. 3) attach the antenna to the sma connector ...

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    Um400a lectrosonics, inc. 10 the wiring diagrams included in this section represent the basic wiring necessary for the most common types of microphones and other audio inputs. Some micro- phones may require extra jumpers or a slight variation on the diagrams shown. It is virtually impossible to keep...

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 11 note: this termination is intended for uhf transmitters only. Vhf transmitters with 5-pin jacks require a different termination. Lectrosonics lavaliere microphones are terminated for compatibility with vhf and uhf transmitters, which ...

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    Um400a lectrosonics, inc. 12 microphone rf bypassing when used on a wireless transmitter, the microphone element is in the proximity of the rf coming from the transmitter. The nature of electret microphones makes them sensitive to rf, which can cause problems with microphone/transmitter compatibilit...

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 13 2 volt positive bias 2-wire electret simplified wiring for microphones such as countryman b6 lavalier and e6 earset models and others. Note: this servo bias wiring is not compatible with earlier versions of lectrosonics transmitters. ...

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    Um400a lectrosonics, inc. 14 item replacement wire belt clip replacement whip antenna replacement parts and accessories uhf transmitter antenna specifications lectrosonics amm series uhf transmitter antennas follow the color code specifications in the chart below to identify operating frequency bloc...

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 15 before going through the following chart, be sure that you have a good battery in the transmitter. It is important that you follow these steps in the sequence listed. Symptom possible cause transmitter battery led off 1) battery is in...

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    Um400a lectrosonics, inc. 16.

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 17 operating frequencies: block 470: 470.100 - 495.600 block 19: 486.400 - 511.900 block 20: 512.000 - 537.500 block 21. 537.600 - 563.100 block 22. 563.200 - 588.700 block 23. 588.800 - 607.90. An. 614.100 - 614.300 block 24. 614.400 - ...

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    Um400a lectrosonics, inc. 18 service and repair if your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equipment needs repair. Make sure you have followed the setup procedure and operating instructions. Check the interconnecting cables and then g...

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    Frequency synthesized uhf belt-pack transmitter rio rancho, nm 19.

  • Page 20: Limited One Year Warranty

    Um400aman.Indd 6 mar 2008 581 laser road ne • rio rancho, nm 87124 usa • www.Lectrosonics.Com (505) 892-4501 • (800) 821-1121 • fax (505) 892-6243 • sales@lectrosonics.Com limited one year warranty the equipment is warranted for one year from date of purchase against defects in materials or workmans...