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Related Manuals for Lectrosonics LM
Summary of Contents for Lectrosonics LM
- Page 1 INSTRUCTION MANUAL LM/IM Frequency-Agile UHF Belt-Pack Transmitters Featuring Digital Hybrid Wireless™ Technology (US Patent Pending) Fill in for your records: Serial Number: Purchase Date: Rio Rancho, NM, USA www.lectrosonics.com...
- Page 2 LM/IM LECTROSONICS, INC.
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Page 3: Table Of Contents
Wiring Diagram for MI33A Instrument Cable ............................11 Troubleshooting ....................................12 Specifications and Features ................................13 Service and Repair ..................................... 14 Returning Units for Repair .................................. 14 The LM and IM transmitters are FCC type accepted under Part 74: 536-608 MHz and 614-806 MHz Rio Rancho, NM... -
Page 4: Introduction
The IM is offered as part of the IS400 pack- interference. age and differs slightly from the LM in that its low-end The Lectrosonics Digital Hybrid Wireless™ system frequency response has been optimized for use with overcomes channel noise in a dramatically new way, musical instruments. -
Page 5: Input Limiter
Wide-Band Deviation low distortion. It can be thought of as two limiters in By employing ±75 kHz diviation, Lectrosonics dramati- series, connected as a fast attack and release limiter cally improves the capture ratio, signal to noise ratio followed by a slow attack and release limiter. -
Page 6: Controls And Functions
An optional hinged belt clip (P/N BCHINGED) is also available. Contact a Lectrosonics sales represen- tative, or visit our web site (www.lectrosonics.com) for more details. LECTROSONICS, INC. -
Page 7: Battery Installation
NiMH batteries; although, it may be possible to track battery status using the Battery Timer function available in a number of Lectrosonics receivers. (Refer to the associated receiver manual to determine if this function is available in your situation.) -
Page 8: Operating Instructions
Frequency Select Switch Settings (C,C) All units with serial number 601 and up are capable of 1.6M 100K working with Lectrosonics 400 Series Digital Hybrid ™ Wireless , 200 Series analog, 100 Sseries analog and some non-Lectrosonics analog wireless receivers (contact the factory for details). -
Page 9: Adjusting The Transmitter Frequency
Frequency-Agile UHF Belt-Pack Transmitter Adjusting the Transmitter Frequency MIC input jack Frequency Select Switches 1.6M 100K AUDIO LEVEL Control -20 LED -10 LED 4) Set the transmitter Power ON/OFF switch to ON. 5) For microphone users, position the microphone in If you are experiencing interference from another signal the location where it will be used in actual opera- on your operating frequency, you may need to change... -
Page 10: 5-Pin Input Jack Wiring
Leadless capacitors: P/N SCC330P ment System. Note: The Lectrosonics M150 lavaliere mic is PIN 1 - Shield (ground) for already bypassed correctly for use with the LM or positive biased electret lavalliere LECTROSONICS IM transmitters. microphones. For the increas- ingly rare negative biased... -
Page 11: Line Level Signals
SHIELD SHIELD blies allow an optimum match between musical instru- Preamp AUDIO AUDIO ment pickups and Lectrosonics transmitters with 5-pin 1/4 " PLUG input connectors. TA5F PLUG The active preamp and low noise wire cable provide a “same as wire” experience in a wireless environment. -
Page 12: Troubleshooting
LM/IM Troubleshooting It is important that you follow these steps in the sequence listed. Symptom: Possible Cause: Transmitter Battery LED off 1. Battery is inserted backwards. 2. Battery is dead. No Transmitter Modulation LEDs 1. Gain control turned all the way down. -
Page 13: Specifications And Features
LM: 90 Hz to 20 kHz (+/- 1 dB) with the 70Hz low frequency roll-off filter. IM: 40 Hz to 20 kHz (+/- 1 dB) (Note: The transmitter is deliberately rolled off at 70Hz in the LM tramsmitter to reduce transmission of the lower frequency noise.) Controls: 2 position “OFF-ON”... -
Page 14: Service And Repair
There are no adjustments inside that will make a malfunctioning unit start working. 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 15 Frequency-Agile UHF Belt-Pack Transmitter Rio Rancho, NM...
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Page 16: Limited One Year Warranty
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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