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LMb
Digital Hybrid Wireless
LMb, LMb/E01, LMb/E06,
LMb/X
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INSTRUCTION MANUAL
UHF Belt Pack Transmitter
®
Featuring
Digital Hybrid
Wireless
Quick Start Steps
1) Install good batteries and turn power on (see
pages 5 and 6).
2) Set compatibility mode to match the receiver (see
page 9).
3) Connect signal source and adjust input gain for
optimum modulation level (see page 9).
4) Set StepSize and frequency to match receiver
(see page 10). Also see receiver manual for scan-
ning procedure.
5) Turn on the receiver and verify RF and audio
signals are present (see receiver manual).
WARNING: Moisture, including talent's sweat,
will damage the transmitter. Wrap the LMb in
a plastic baggie or other protection to avoid
damage or see LMCVR.
®
Rio Rancho, NM, USA
www.lectrosonics.com
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Table of Contents
Related Manuals for Lectrosonics LMb
Summary of Contents for Lectrosonics LMb
-
Page 1: Quick Start Steps
5) Turn on the receiver and verify RF and audio signals are present (see receiver manual). WARNING: Moisture, including talent’s sweat, will damage the transmitter. Wrap the LMb in a plastic baggie or other protection to avoid damage or see LMCVR. -
Page 2: Table Of Contents
Selecting Battery Type ..................................11 Restoring Default Settings ................................11 IR (infrared) Sync ....................................11 5-Pin Input Jack Wiring ..................................12 Microphone Cable Terminationfor Non-Lectrosonics Microphones ....................13 Input Jack Wiring for Different Sources .............................14 Microphone RF Bypassing ................................15 Line Level Signals ....................................15 Wiring Diagram for MI39A Instrument Cable ............................15 Supplied and Optional Accessories ..............................16... -
Page 3: Introduction
All wireless links suffer from channel noise to some degree, and all wireless microphone systems seek The LMb input preamp is a unique design that delivers to minimize the impact of that noise on the desired audible improvements over conventional transmitter signal. -
Page 4: Lmb Block Diagram
LMb, LMb/E01, LMb/E06, Lmb/X DSP-controlled Input Limiter Pilot Tone Squelch The transmitter employs a digitally-controlled analog The squelch system in a receiver is a method of mut- audio limiter prior to the analog-to-digital converter. ing the audio when the RF signal conditions are too The limiter has a range greater than 30 dB for excel- poor to produce usable audio. -
Page 5: Battery Installation
Contact springs will not be reliable. However, it is possible to track Belt Clips battery status using the Battery Timer function avail- able in Lectrosonics Digital Hybrid Wireless receiv- ® ers. The wire belt clip may be removed by pulling the Push outward on the Battery Compartment Door and ends out of the holes in the sides of the case. -
Page 6: Operating Instructions
RF output turned on and the caused by dead batteries. Many Lectrosonics receiv- Main Window displayed. Only the second and third ers have a timer function to keep track of battery screens will appear when the programmable function runtime. -
Page 7: Powering On In Standby Mode
• About - displays the installed firmware version on the LCD. Use the arrow buttons to select • Blk606? - Band B1 and C1 LMb transmitters the menu item. Then press the MENU/SEL button to can be used with legacy Block 606 Lectrosonics enter the menu. -
Page 8: Selecting Programmable Switch Functions
LMb, LMb/E01, LMb/E06, Lmb/X Changing the step size never changes the frequency. Selecting Programmable Switch It only changes the way the user interface works. If the frequency is set to a fractional increment Functions between even 100 kHz steps and the step size is... -
Page 9: Selecting The Compatibility (Compat) Mode
“-20” LED first turns red. The limiter Mode can cleanly handle peaks up to 30 dB above this point. When used with a Lectrosonics Digital Hybrid Wire- It is best to go through the following procedure with less receiver, the best audio quality will be achieved ®... -
Page 10: Selecting Frequency
RF energy present. The software then automatically same increments b 19 selects the best channel for operation. 1 band steps Lectrosonics receivers equipped with an IR Sync function allow the receiver to set frequency, step size 494.500 494.500 1 MHz steps and compatibility modes on the transmitter via an infrared link between the two units. -
Page 11: Selecting Audio Polarity (Phase)
Rechargeable batteries maintain a fairly constant voltage across the operating time on each charge and stop working abruptly, so you will have little or no warning as they reach the end of operation. The timer is available on all Lectrosonics Digital Hybrid Wireless receivers. ®... -
Page 12: 5-Pin Input Jack Wiring
LMb, LMb/E01, LMb/E06, Lmb/X 5-Pin Input Jack Wiring The wiring diagrams included in this section repre- Audio input jack wiring: sent the basic wiring necessary for the most common types of microphones and other audio inputs. Some PIN 1 microphones may require extra jumpers or a slight Shield (ground) for positive biased electret lavaliere variation on the diagrams shown. -
Page 13: Microphone Cable Terminationfor Non-Lectrosonics Microphones
VHF transmitters with shield insulation 5-pin jacks require a different termination. Lectrosonics lavaliere microphones are terminated for compatibility with VHF and UHF transmitters, which is different from what is shown here. Rio Rancho, NM... -
Page 14: Input Jack Wiring For Different Sources
In addition to the microphone and line level wiring hook- A lot of information regarding microphone wiring is also ups illustrated below, Lectrosonics makes a number of available in the FAQ section of the web site at: cables and adapters for other situations such as con- http://www.lectrosonics.com... -
Page 15: Microphone Rf Bypassing
Refer to the diagram below for the correct locations of capacitors. Wiring Diagram for MI39A Use 330 pF capacitors. Capacitors are available from Lectrosonics. Please specify the part number for the Instrument Cable desired lead style. The MI39ARA and MI39AST instrument cable as-... -
Page 16: Supplied And Optional Accessories
Wire belt clip (installed on transmitter) P/N 55008 AA battery caddy; 4-pack; blue Optional Accessories BCHINGED Hinged belt clip LMCVR Silicone cover protects the LMb transmitter from moisture and dust. M152/5P Lavaliere microphone; omnidirectional MI33PRA Instrument cable; passive type for use with very high output pickups;... -
Page 17: Troubleshooting
® Digital Hybrid Wireless UHF Belt Pack Transmitter Troubleshooting It is important that you follow these steps in the sequence Symptom: Possible Cause: Transmitter Battery LED off 1. Batteries are inserted incorrectly. 2. Batteries are low or dead. when Power Switch “ON” 1. -
Page 18: Specifications And Features
Lectrosonics accessories supplied or designated for this product. Use of other accessories may not ensure compliance with FCC RF exposure guidelines. Contact Lectrosonics if you have any questions or need more information about RF exposure using this product.. -
Page 19: 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 20 LMb, LMb/E01, LMb/E06, Lmb/X LECTROSONICS, INC.
- Page 21 ® Digital Hybrid Wireless UHF Belt Pack Transmitter Rio Rancho, NM...
- Page 22 LMb, LMb/E01, LMb/E06, Lmb/X LECTROSONICS, INC.
- Page 23 ® Digital Hybrid Wireless UHF Belt Pack Transmitter Rio Rancho, NM...
- Page 24 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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