Lectrosonics SMV-941 Instruction Manual

Lectrosonics SMV-941 Instruction Manual

Smv-941 series, super miniature variable power transmitters
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SMV-941 Series
Super Miniature Variable Power Transmitters
With Digital Hybrid Wireless
US Patent 7,225,135
SMV-941
Single Battery Model
SMQV-941
Dual Battery Model
Fill in for your records:
Serial Number:
Purchase Date:
Technology
®
INSTRUCTION MANUAL
Digital Hybrid Wireless
US Patent 7.225.135
Rio Rancho, NM, USA
www.lectrosonics.com
®

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Summary of Contents for Lectrosonics SMV-941

  • Page 1 INSTRUCTION MANUAL SMV-941 Series Super Miniature Variable Power Transmitters With Digital Hybrid Wireless Technology ® US Patent 7,225,135 SMV-941 Single Battery Model SMQV-941 Dual Battery Model Digital Hybrid Wireless ® US Patent 7.225.135 Fill in for your records: Serial Number:...
  • Page 2: Introduction

    The battery compartment accepts AA lithium or rechargeable batteries. The housings are machined from solid aluminum billets to provide an extremely lightweight and rugged package. A special non-corrosive finish resists salt water exposure and perspiration in extreme environments. LECTROSONICS, INC.
  • Page 3: Table Of Contents

    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.. This device complies with FCC radiation exposure limits as set forth for an uncontrolled environment.
  • Page 4: General Technical Description

    Regulator Variable 1.8 - 4v LECTROSONICS, INC.
  • Page 5 Digital Hybrid receivers and will yield the best per- formance when doing so, however, due to the flexibility of digital signal processing, the transmitter can also operate with Lectrosonics IFB receivers in the same frequency band. Control Panel The control panel includes four membrane switches and an LCD screen to adjust the operational settings.
  • Page 6: Controls And Functions

    In normal operating mode, the UP and DOWN arrow connector. buttons may be used to turn the PWR LED indica- tors off and on. This setting does not persist through a power cycle nor does it affect the LCD backlight. LECTROSONICS, INC.
  • 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, and provides additional strain relief.
  • Page 8: Operating Instructions

    IFB systems in the 941 MHz band. (rX.X): new hybrid mode (ETSI compliant) Compatibility Mode: CP nHb (typical) Lectrosonics IFB systems Pr 100 (as set) Power Level NOTE: The nHb compatibility mode is the same Audio: Aud 22 (as set) as the NU HYBR mode in the SRc-941 receiver.
  • Page 9 “dweedle” tones from a mobile device, or from tones It is desirable to to set the gain so that some limiting generated by the Lectrosonics RM and RM2 devices. occurs on louder peaks. The limiter is very transparent over a 43 dB range, and its effect is not audible until the Enables the remote function.
  • Page 10: Locking/Unlocking The Control Panel

    The display switches when the button is first generated by a mobile phone, pushed; push and hold the button in the desired mode or with the Lectrosonics RM and use the UP and DOWN arrow buttons to make the and RM2 devices.
  • Page 11: 5-Pin Input Jack Wiring

    4) Use the resistors and connector included with this kit this manual or visit our web site at: to configure the TA5F to your particular microphone. www.lectrosonics.com (See Wiring Diagrams below.) A length of .065 OD +5 VDC clear tubing is included if insulating the resistor leads or shield wire is necessary.
  • Page 12: Microphone Cable Termination For Non-Lectrosonics Microphones

    NOTE: This termination is intended for UHF contact the clamp the insulation transmitters only. 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. LECTROSONICS, INC.
  • Page 13: 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 14: 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/faqdb...
  • 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

    • LEDs On/Off • The transmitter microphone must be within range. User Interface Please be aware this app is not a Lectrosonics The user interface involves selecting the audio se- product. It is privately owned and operated by New Endian LLC, www.newendian.com.
  • Page 17: Accessories For Single Battery Models

    Super-Minature Belt Pack Transmitter 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 alumi- SMDBCSL Spring- num clip for SMV; loaded machined antenna extending aluminum clip for upward...
  • Page 18: Accessories For Both Models

    To install the battery eliminator, loosen the thumbscrew completely and remove the battery door. Insert the bat- tery eliminator and tighten the thumbscrew. SMKITTA5 Microphone connector kit with watertight sleeve for all SM Series transmitters. AMM944 Whip antenna for 941 MHz transmitters LECTROSONICS, INC.
  • Page 19: Specifications And Features

    1.5 Volt AA lithium Channel Spacing: Selectable; 25 or 100 kHz Battery Life: Frequency selection: Control panel membrane switches SMV-941 50 mW (1 AA): 7.25 hrs RF Power output: Switchable; 50 or 100 mW SMV-941 100 mW (1 AA): 5.5 hrs Pilot tone: 27 to 32 kHz;...
  • Page 20: Troubleshooting

    4) Receiver/Transmitter Compatibility Mode mismatched. EXCESSIVE FEEDBACK 1) Transmitter gain (audio level) too high. Check gain adjustment and/or reduce receiver output level. 2) Talent standing too close to speaker system. 3) Mic is too far from user’s mouth. LECTROSONICS, INC.
  • Page 21 Super-Minature Belt Pack Transmitter SYMPTOM POSSIBLE CAUSE HISS AND NOISE -- AUDIBLE DROPOUTS 1) Transmitter gain (audio level) far too low. 2) Defective transmitter or receiver antenna. 3) Operating range too great. 4) 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.
  • Page 22: 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 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.

This manual is also suitable for:

Smqv-941

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