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SMV Series
Super Miniature Variable Power Transmitters
With Digital Hybrid Wireless
US Patent 7,225,135
SMQV
Dual Battery Model
SMQV-941
Dual Battery Model
SMQV/X
Dual Battery Model
SMV
Single Battery Model
SMV-941
Single Battery Model
SMV/X
Single Battery Model
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Technology
®
INSTRUCTION MANUAL
Rio Rancho, NM, USA
www.lectrosonics.com
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Summary of Contents for Lectronics SMV Series
- Page 1 INSTRUCTION MANUAL SMV Series Super Miniature Variable Power Transmitters With Digital Hybrid Wireless Technology ® US Patent 7,225,135 SMQV Dual Battery Model SMQV-941 Dual Battery Model SMQV/X Dual Battery Model Single Battery Model SMV-941 Single Battery Model SMV/X Single Battery Model...
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Page 2: Introduction
SMV Series Introduction The SM Series variable power transmitters are the product of many years of engineering and experience in professional audio markets. The unique design provides several distinct features for professional applications: • Selectable output power to maximize battery life or operating range as needed •... -
Page 3: Table Of Contents
Super-Minature Belt Pack Transmitter Table of Contents Introduction ................2 General Technical Description ..........4 Controls and Functions ............6 LCD Screen ................6 Power LED ................6 Power LED Off Feature ............6 Audio Input Jack ..............6 Modulation LEDs ..............6 AUDIO Button ..............6 FREQ Button ...............6 Up/Down Arrows ..............6 Battery and Battery Eliminator Installation ......7 Attaching and Removing the Microphone ......7... -
Page 4: General Technical Description
SMV Series General Technical Description Servo Bias Input No Pre-Emphasis/De-Emphasis The voltage and current requirements of the wide vari- The Digital Hybrid design results in a signal-to-noise ratio ety of electret microphones used in professional appli- high enough to preclude the need for conventional pre-... - Page 5 Super-Minature Belt Pack Transmitter Signal Encoding and Pilot Tone Battery Options and Operating Time In addition to controlling the limiter, the DSP also en- Switching power supplies convert regulated battery volt- codes the digitized audio from the A/D converter and ages to operate various circuit stages with maximum adds an ultrasonic pilot tone to control the squelch in efficiency.
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Page 6: Controls And Functions
SMV Series Controls and Functions Audio Input Jack Modulation LEDs Battery The Servo Bias input circuitry accommodates virtually Compartment every lavaliere, handheld or shotgun microphone avail- UP Arrow Cover Plate able, plus line level signals. Antenna Jack Battery Compartment and Thumb Screw The large knurled thumbscrew is used to release or secure the Battery Compartment Cover Plate. -
Page 7: Battery And Battery Eliminator Installation
Super-Minature Belt Pack Transmitter Battery and Battery Attaching and Removing Eliminator Installation the Microphone The flexible sleeve over the 5-pin plug on the micro- Note: Standard zinc-carbon batteries marked phone helps prevent dust and moisture from getting into “heavy-duty” or “long-lasting” are not adequate. the input jack. -
Page 8: Operating Instructions
SMV Series Operating Instructions LCD Backlight Settings The LCD backlight can be set to turn off after either 5 Power Up and Boot Sequence minutes or 30 seconds, or stay on continuously. Hold the UP arrow in while powering up the unit to enter 1) Ensure that good batteries are installed in the unit. -
Page 9: Audio Screen
Super-Minature Belt Pack Transmitter Remote Control Operation • 100 Series mode: CP 100 The transmitters can be configured to respond to • 200 Series mode: CP 200 signals from the LectroRM • Mode 3 CP 3 (contact the factory for details): app or to ignore them. -
Page 10: Configuring For Power Restore
SMV Series Configuring for Power Restore Set Up in 100 kHz Mode When using external power The Frequency Screen source through a battery displays the operating eliminator, Power Restore will frequency in MHz or as a return your transmitter to... -
Page 11: Locking Or Unlocking The Controls
Super-Minature Belt Pack Transmitter 5-Pin Input Jack Wiring It is actually a good idea to turn the gain up to maxi- mum and listen for distortion or compression to get a feel for how much headroom is available. The wiring diagrams included in this section represent the basic wiring necessary for the most common types Signal Level -20 LED... -
Page 12: Line Level Signals
6) If needed, position and shrink the 1/8-inch shrink tub- ing on the microphone cable, then slide the Rubber Boot down over the TA5F connector. SMKITTA5 Connector kit for SMV series TA5F Backshell transmitters, 5-pin TA5F plug with sleeve with Strain Relief... -
Page 13: Microphone Cable Termination For Non-Lectrosonics Microphones
Super-Minature Belt Pack Transmitter Microphone Cable Termination for Non-Lectrosonics Microphones TA5F Connector Assembly Mic Cord Stripping Instructions VIEW FROM SOLDER SIDE OF PINS 0.15" 0.3" Crimping to Shield and Insulation Strip and position the cable so that the clamp can be crimped to contact both the mic cable shield and the insulation. -
Page 14: Wiring Hookups For Different Sources
SMV Series Wiring Hookups 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: Silver Paste On Sm Series Transmitter Thumbscrews
Super-Minature Belt Pack Transmitter Silver Paste on SM Series Transmitter Thumbscrews Silver paste is applied to thumbscrew threads on new Simply hold the cloth around the threads and turn the units at the factory to improve the electrical connection thumbscrew. Move to a new spot on the cloth and do it from the battery compartment through the housing on again. -
Page 16: Lectrorm
SMV Series LectroRM Android By New Endian LLC LectroRM is a mobile application for iOS and Android operating systems. Its purpose is to remotely control Lectrosonics Transmitters, including: • SM Series • WM • L Series The app remotely changes settings on the transmitter... -
Page 17: Straight Whip Antennas
Super-Minature Belt Pack Transmitter Straight Whip Antennas This is a full size cutting template used to cut the length The supplied caps can be used several different ways: of the whip for a particular frequency. Lay the uncut 1) A color cap on the end of the whip antenna on top of this drawing and trim the whip length 2) A color sleeve next to the connector with a black to the desired frequency. -
Page 18: Accessories For Single Battery Models
SMV Series Accessories for single Accessories for dual battery models: battery models: PSM Leather pouch with integrated belt clip PSMD Leather pouch with integrated belt clip SMBCUPSL Spring-loaded machined aluminum clip SMDBCSL Spring-loaded machined aluminum clip SMBCDN Machined, wire belt clip for SMV transmitters,... -
Page 19: Accessories For Both Models
Super-Minature Belt Pack Transmitter Accessories for Both Models SMBATELIM External power adapter (battery elimina- tor) for all SM Series transmitters. 6 to 36 volt external sources. Handles up to 1 amp consumption. Protected against shorts and reverse polarity. To install the battery eliminator, loosen the thumbscrew completely and remove the battery door. -
Page 20: Troubleshooting
SMV Series 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 PWR LED OFF 1) Battery is inserted backwards or dead. - Page 21 Super-Minature Belt Pack Transmitter SYMPTOM POSSIBLE CAUSE HISS AND NOISE -- AUDIBLE DROPOUTS 1) Transmitter gain (audio level) far too low. 2) Receiver antenna missing or obstructed. 3) Transmitter antenna broken or missing. 4) Operating range too great. 5) Signal interference. Turn off transmitter. If receiver’s signal strength indicator does not drop to nearly zero, this indicates an interfering signal may be the problem.
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Page 22: Specifications And Features
SMV Series Specifications and Features Operating frequencies: Low frequency roll-off: Adjustable from 35 to 150 Hz. Audio Frequency Response: Block 470 470.100 - 495.675 35 Hz to 20 kHz, +/-1 dB Block 470 470.100 - 495.675 Signal to Noise Ratio (dB):... -
Page 23: Service And Repair
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 go through the Troubleshooting section in this manual. We strongly recommend that you do not try to repair the equipment yourself and do not have the local repair shop at- tempt anything other than the simplest repair. - Page 24 LIMITED ONE YEAR WARRANTY The equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased from an authorized dealer. This warranty does not cover equipment which has been abused or damaged by careless handling or shipping.
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