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Related Manuals for Lectrosonics UM400E
Summary of Contents for Lectrosonics UM400E
- Page 1 INSTRUCTION MANUAL UM400a Frequency Synthesized 100 mW UHF Belt-Pack Transmitter Featuring Digital Hybrid Wireless Technology ™ U.S. Patent 7,225,235 Fill in for your records: Serial Number: Purchase Date: Rio Rancho, NM, USA www.lectrosonics.com...
- Page 2 UM400a LECTROSONICS, INC.
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Page 3: Table Of Contents
Microphone RF Bypassing ..................................12 Line Level Signals ....................................12 Wiring Hookups for Different Sources ...............................13 Works with Servo Inputs Only: ................................13 Compatible with Servo Inputs and other Lectrosonics Transmitters: ....................13 Replacement Parts and Accessories ..............................14 UHF Transmitter Antenna Specifications ............................14 Troubleshooting ....................................15 Specifications and Features ................................17... -
Page 4: General Technical Description
Digital Hybrid Wireless audio chain ® and packaged in the widely recognized Lectrosonics Channel noise still impacts received signal quality and standard transmitter housing. will eventually overwhelm a receiver. Digital Hybrid Wireless™ simply encodes the signal to use a noisy... -
Page 5: Pilot Tone Squelch
Compatibility Modes Digital Hybrid transmitters were designed to operate with Lectrosonics Digital Hybrid receivers and will yield the best performance when doing so. However, due to the flexibility of digital signal processing, the transmit- ters can also operate in various compatibility modes for use with Lectrosonics 200 Series, Lectrosonics 100 Series, IFB and certain non-Lectrosonics receivers. -
Page 6: Controls And Functions
(when using the recommended battery). The LED Two 16-position rotary switches adjust the center blinks red when there are only a few minutes of life left. frequency of the carrier. The left-hand switch 1.6 MHz steps and the right-hand switch makes 100K steps. LECTROSONICS, INC. -
Page 7: Audio Level Control
Frequency Synthesized UHF Belt-Pack Transmitter Audio Level Control Adjustable Low Frequency Roll-Off The front panel AUDIO LEVEL Control is used to adjust The low frequency roll-off control is used to remove the input level (gain) for optimal modulation. The con- subsonic (or very low frequency) audio, often produced trols provides continuously variable gain over a 43 dB by air conditioning systems, automobile traffic and other... -
Page 8: Battery Installation
Selecting the Compatibility Mode cover door in the direction of the arrow as shown in the The UM400a can be used with Lectrosonics 400 Series illustration. Only firm, sliding pressure is needed to open Digital Hybrid, 200 Series analog, 100 Series analog, and close the battery door. -
Page 9: Attaching A Microphone And Adjusting Gain
To gain access to these switches, slide the access door sideways with a fingernail. Signal Level -20 LED -10 LED With Lectrosonics Digital Hybrid receivers, a front panel Less than -20 dB LCD character display will indicate the correct transmit- -20 dB to -10 dB Green ter switch settings. -
Page 10: 5-Pin Input Jack Wiring
PIN 3 Low impedance microphone level input for number listed under Service and Repair in this manual or dynamic microphones. Also accepts hand-held visit our web site at: www.lectrosonics.com electret microphones provided the microphone has its own built-in battery. PIN 4 Bias voltage selector for Pin 3. -
Page 11: Microphone Cable Terminationfor Non-Lectrosonics Microphones
VHF transmitters with 5-pin shield jacks require a different termination. Lectrosonics lavaliere microphones are terminated for compatibility with VHF and UHF transmitters, which is different than what is shown here. Rio Rancho, NM... -
Page 12: Microphone Rf Bypassing
TA5F Alternate locations for bypass capacitors CONNECTOR Install the capacitors as follows. Use 330 pF capaci- tors. Capacitors are available from Lectrosonics. Please specify the part number for the desired lead style. Leaded capacitors: P/N 15117 Leadless capacitors: P/N SCC330P... -
Page 13: Wiring Hookups For Different Sources
SOURCE (AUDIO) Sanken COS-11. This wiring is fully compatible with 5-pin inputs on Lectrosonics transmitters such as the LM and UM Series. This is the wiring for the Lectrosonics M152 lavaliere microphone. XLR JACK For low impedance dynamic mics or electret mics with internal battery or power supply. -
Page 14: Replacement Parts And Accessories
Note: Check the scale of your printout. This line should be 6.00 inches long (152.4 mm). Lectrosonics AMM Series UHF transmitter antennas follow the color code specifications in the chart below to identify operating frequency block range. (The frequency block range is engraved on the outside housing for each individual transmitter.) If a situation exists whereby the antenna is defective and the antenna cap is missing, refer to the following... -
Page 15: Troubleshooting
Frequency Synthesized UHF Belt-Pack Transmitter Troubleshooting 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 inserted backwards. - Page 16 UM400a LECTROSONICS, INC.
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Page 17: Specifications And Features
Frequency Synthesized UHF Belt-Pack Transmitter Specifications and Features 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. -
Page 18: Service And Repair
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 modest flat rate plus parts and shipping. - Page 19 Frequency Synthesized UHF Belt-Pack Transmitter Rio Rancho, NM...
- Page 20 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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