Shure LX4 - User Manual

LX Wireless System
27D8654 (BK)
2002, Shure Incorporated
Printed in U.S.A.
LX Wireless System
User Guide

Shure LX4 Specifications

General

Brand	Shure
Model	LX4
Category	Receiver
Language	English

Summary

READ ME FIRST!

Receiver Connections

Connect receiver to antennas, power, and audio system.

Transmitter Connections

Connect battery and microphone/cable to transmitter.

Operating the System

Steps to power on and check system operation.

SYSTEM COMPONENTS (FIGURE 1)

LX1 Body-Pack Transmitter

Description of the LX1 body-pack transmitter.

LX2 Hand-Held Microphone-Transmitter

Description of the LX2 handheld transmitter.

LX3 Receiver

Description of the LX3 receiver.

LX4 Diversity Receiver

Description of the LX4 diversity receiver.

SYSTEM FEATURES

Exclusive Shure MARCAD Circuitry (LX4)

MARCAD circuitry for improved reception and dropout freedom.

Half-Rack Receiver Size

LX3/LX4 receivers fit half-rack format with mounting hardware.

Power;Battery Fuel Gauge

Transmitter gauge indicating power and battery life.

Dual RF Level Meters (LX4)

LX4 receiver has dual meters for signal strength.

Audio Metering

Five-light meter for optimizing gain and monitoring audio.

True Guitar Sound

Low noise, uncolored sound for guitarists.

Noise Squelch

Circuit analyzing signal quality to prevent noise bursts.

Body-Pack Transmitter Belt Clip

Belt clip design for better grip and secure attachment.

Grip;Switch Cover Accessory

Accessory preventing accidental switch movement on LX2.

Compact Power Adapter

Small, in-line transformer adapter with mounting tabs.

LX1 BODY-PACK TRANSMITTER FEATURES, CONTROLS, & INDICATORS (FIGURE 2)

Antenna

Flexible wire antenna attached to the bottom of the transmitter.

Battery Compartment

Hinged cover on the bottom surface for battery access.

Audio Gain Control

Control to adjust audio level for different sound sources.

Input Jack

Mini-connector (TA4F) for microphones and cables.

Power;Battery Fuel Gauge

Gauge indicating power status and battery life remaining.

Belt Clip

Clip for wearing the transmitter on belts or straps.

Mic On;Mute Switch

Switch to mute the transmitter without turning it off.

Power Switch

Switch to turn the transmitter on and off.

LX2 HANDHELD MICROPHONE-TRANSMITTER FEATURES, CONTROLS, & INDICATORS (FIGURE 3)

Grille

Protects microphone cartridge and reduces noise.

Power Switch

Switch to turn the transmitter on and off.

Power;Battery Fuel Gauge

Gauge indicating power status and battery life remaining.

Mic On;Mute Switch

Switch to mute the transmitter without turning it off.

Audio Gain Control

Control for audio level adjustment for different sources.

Battery Cover

Removable cup hiding battery and audio gain control.

LX3 RECEIVER CONTROLS, FEATURES & INDICATORS (FIGURE 4)

RF Presence Indicators

Lights glowing amber for usable RF signal reception.

Audio Level Indicators

Five lights indicating audio signal strength.

Squelch Control

Sets point for receiver muting when signal is weak.

Audio Output Level Control

Adjusts output level to match mixer/amplifier input.

Power On Indicator

Green light indicating receiver power is on.

Power On;Off Button

Button to turn the receiver on and off.

Output Connector

Quarter-inch jack for unbalanced auxiliary output.

Power Jack

Accepts AC adapter or DC power input.

Antenna Connector

UHF-type connector for antenna or remote antenna cable.

LX4 DIVERSITY RECEIVER CONTROLS, FEATURES & INDICATORS (FIGURE 5)

Diversity Signal Indicators for A and B Antennas

Lights indicate usable RF signal for each antenna.

RF Level Indicators

Five lights per antenna for RF signal strength.

Audio Level Indicators

Five lights indicate audio signal strength.

Squelch Control

Sets receiver muting point for weak signals.

Audio Output Level Control

Adjusts output level to match mixer/amplifier input.

Power On Indicator

Green light indicating receiver power is on.

Power On;Off Button

Button to turn the receiver on and off.

Antenna Connectors

UHF-type connectors for antennas or remote cables.

Output Connectors

XLR and 1/4-inch jacks for audio output.

Mic;Line Slide Switch

Switch for balanced XLR output to mic or line level.

Power Jack

Accepts AC adapter or DC power input.

RECEIVER MOUNTING

Single Rack-Mounted Receiver (Figure 6)

Instructions for mounting a single receiver in a rack.

Double Rack-Mounted Receivers (Figure 7)

Instructions for mounting two receivers side-by-side in a rack.

RECEIVER CONNECTIONS (FIGURE 8)

Antenna Connections

Attaching antennas to the receiver back panel.

Audio Output Connection

Connecting receiver output to mixer or amplifier.

AC Adapter Connection

Connecting the AC adapter to the receiver power jack.

TRANSMITTER SETUP

LX1 Body-Pack Transmitter Battery Installation (Figure 9)

Steps to install a 9V battery in the LX1 transmitter.

LX2 Hand-Held Microphone-Transmitter Battery Installation (Figure 10)

Steps to install a 9V battery in the LX2 transmitter.

Checking the Transmitter Battery

Connecting a Microphone or Instrument Cable to the LX1 (Figure 11)

Connecting microphone/instrument cables to the LX1 transmitter.

Attaching the LX1 to a Belt or Guitar Strap (Figure 12)

Installing the WA555 Grip;Switch Cover Accessory on the LX2 (Figure 13)

OPERATING LX1 BODY-PACK SYSTEMS (FIGURE 14)

Clip LX1 transmitter to belt;strap.

Attaching the LX1 body pack transmitter for use.

Connect microphone;instrument cable.

Connecting audio input cables to the transmitter.

Connect instrument cable to instrument.

Plugging the instrument adapter cable into the instrument.

Turn on transmitter and receiver.

Powering on the transmitter and receiver.

Turn on MUTE switch.

Engaging the ON/MUTE switch for audio transmission.

Mute when not in use.

Using the ON/MUTE switch during performances.

Turn off transmitter.

Powering off the transmitter to save battery.

OPERATING THE LX2 HAND-HELD SYSTEM (FIGURE 15)

Turn on transmitter.

Powering on the LX2 handheld transmitter.

Turn on receiver.

Powering on the receiver.

Turn on MUTE switch.

Engaging the ON/MUTE switch for audio transmission.

Mute when not in use.

Using the ON/MUTE switch during performances.

Turn off transmitter.

Powering off the transmitter to save battery.

GAIN AND SQUELCH ADJUSTMENT

Adjusting the Transmitter Audio Gain Level (Figure 16)

How to adjust the transmitter audio gain control.

Adjusting the Receiver Squelch Control (Figure 17)

How to adjust the receiver squelch control.

TIPS FOR ACHIEVING OPTIMUM PERFORMANCE

Maintain line-of-sight.

Importance of clear path between transmitter and receiver antennas.

Avoid RF interference.

Keep receiver away from RF generating equipment.

Antenna placement.

Advice on positioning antennas for best reception.

Antenna cable usage.

Guidelines for selecting and using antenna cables.

Multiple system spacing.

Spacing recommendations for multiple wireless systems.

Use correct instrument cable.

Recommendation for WA302 instrument cable with LX1.

Spacing between systems.

Distance between transmitters and antennas for multiple systems.

TROUBLESHOOTING

No sound; receiver RF light(s) and AUDIO lights not glowing.

Solutions for no sound with no lights.

No receiver sound; RF and Audio Level meter lights glowing.

Solutions for no sound with lights on.

Received signal is noisy or contains extraneous sounds with transmitter on.

Solutions for noisy or extraneous signal.

Noise from receiver with transmitter off.

Solutions for noise when transmitter is off.

Momentary loss of sound as transmitter is moved around performing area.

Solutions for intermittent sound loss.

SPECIFICATIONS

RF Carrier Frequency Range

Operating frequency range of the wireless system.

Working Range

Typical operating distance under various conditions.

Audio Frequency Response

Frequency response of the audio system.

Audio Output Level

Output levels for XLR and 1/4-inch connectors.

Gain Adjustment Range

Range of adjustment for transmitter audio gain.

Impedances

Input and output impedances of the system.

Modulation

Modulation type and system used.

RF Power Output

Transmitter RF power output specification.

Dynamic Range

Dynamic range of the wireless system.

RF Sensitivity

RF sensitivity of the receiver.

Image Rejection

Receiver's ability to reject image frequencies.

Spurious Rejection

Receiver's ability to reject spurious signals.

Ultimate Quieting

Receiver's ultimate quieting performance.

Audio Polarity

Audio polarity description for outputs.

System Distortion

System distortion levels.

Power Requirements

Power supply requirements for transmitters and receivers.

Battery Life

Estimated battery life for transmitters.

Operating Temperature Range

Recommended operating temperature range.

Overall Dimensions

Physical dimensions of system components.

Net Weight

LX1 Net Weight

Weight of the LX1 transmitter.

LX2 Net Weight

Weight of the LX2 transmitter.

LX3 Net Weight

Weight of the LX3 receiver.

LX4 Net Weight

Weight of the LX4 receiver.

CERTIFICATION

LX1, LX2 Transmitters Certification

FCC and IC certification for transmitters.

LX3, LX4 Receivers Certification

FCC and IC certification for receivers.

LX1, LX2, LX3, LX4 Compliance

Compliance with international standards.

EMC and Low Voltage Directive Compliance

Compliance with EMC and Low Voltage Directives.

R&TTE Directive Compliance

Compliance with European R&TTE Directive.

Power Supply Safety Standard

Safety standards for power supplies.

FURNISHED ACCESSORIES

Microphone Stand Adapter (LX2)

Included accessory for microphone stands.

Single Receiver HR Rack Panel Kit

Kit for mounting a single receiver in a rack.

Dual Receiver (Side-by-Side) HR Rack Panel Kit (LX4)

Kit for mounting two LX4 receivers side-by-side.

Grip;Switch Cover (LX2)

Accessory for LX2 to prevent accidental switch movement.

Zipper Bag (LX1)

Included carrying bag for LX1.

Zipper Bag (LX2)

Included carrying bag for LX2.

Screwdriver

Included tool for adjustments.

OPTIONAL ACCESSORIES

Instrument Adapter Cable, 1;4 Plug (LX1)

Optional cable for instrument connection.

Instrument Adapter Cable, Right-Angle 1;4 Plug (LX1)

Optional right-angle cable for instruments.

Microphone Adapter Cable (LX1)

Optional adapter cable for microphones.

4-Pin Female Mini-ConnectorTA4 F (LX1)

Optional connector for LX1 input.

In-Line Audio Switch (LX1)

Optional inline switch for audio control.

1;2-Wave Telescoping Antenna (169 - 185 MHz)

Optional telescoping antenna for specific frequency range.

1;2-Wave Telescoping Antenna (185 - 200 MHz)

Optional telescoping antenna for specific frequency range.

1;2-Wave Telescoping Antenna (200 - 230 MHz)

Optional telescoping antenna for specific frequency range.

Antenna;Power Distribution System, 120 Vac

Optional system for power and antenna distribution.

Antenna;Power Distribution System, 230 Vac

Optional system for power and antenna distribution.

1.8 Meter (6 ft.) Receiver-Mixer Cable (1;4 phone to XLR)

Optional cable for receiver-mixer connection.

6.1 Meter (20 ft.) Antenna Extension Cable

Optional cable for extending antenna reach.

Antenna Rack Mount Kit

Optional kit for mounting antennas in a rack.

Passive Antenna Splitter

Optional splitter for multiple antennas.

1;2-Wave Cable Antenna (169 - 185 MHz)

Optional cable antenna for specific frequency range.

1;2-Wave Cable Antenna (185 - 200 MHz)

Optional cable antenna for specific frequency range.

1;2-Wave Cable Antenna (200 - 216 MHz)

Optional cable antenna for specific frequency range.

Single Receiver Front-Mount Antenna Conversion Kit

Kit for front-mounting antennas on receivers.

Pelican Protector Carrying Case for Single LX or SC Wireless System

Optional protective carrying case.

Nylon Carrying Case

Optional nylon carrying case.

REPLACEMENT PARTS

Universal Horn Clamp (for WM98)

Replacement clamp for WM98 microphone.

AC Adapter (120 Vac, 60 Hz)

Replacement 120V AC adapter.

AC Adapter (230 Vac, 50;60 Hz, Europlug)

Replacement 230V AC adapter (Europlug).

AC Adapter (230 Vac, 50;60 Hz, UK)

Replacement 230V AC adapter (UK plug).

SM58 Cartridge with Grille (LX2;58)

Replacement SM58 cartridge and grille.

BETA 58 Cartridge with Grille (LX2;BETA 58)

Replacement BETA 58 cartridge and grille.

SM87 Cartridge with Grille (LX2;87)

Replacement SM87 cartridge and grille.

BETA 87 A Cartridge with Grille (LX2;BETA 87)

Replacement BETA 87A cartridge and grille.

BETA 87 C Cartridge with Grille (LX2;BETA 87)

Replacement BETA 87C cartridge and grille.

Matte Silver Grille (LX2;58)

Replacement matte silver grille for LX2/58.

Matte Silver Grille (LX2;BETA 58)

Replacement matte silver grille for LX2/BETA 58.

Matte Silver Grille (LX2;BETA 87)

Replacement matte silver grille for LX2/BETA 87.

Black Grille (LX2;87)

Replacement black grille for LX2/87.

Black Grille (LX2;BETA 58)

Replacement black grille for LX2/BETA 58.

Black Grille (LX2;BETA 87)

Replacement black grille for LX2/BETA 87.

Belt Clip (LX1)

Replacement belt clip for LX1.

1;4-Wave Antenna (169 - 186 MHz)

Replacement 1/4-wave antenna for specific frequency.

1;4-Wave Antenna (186 - 204 MHz)

Replacement 1/4-wave antenna for specific frequency.

1;4-Wave Antenna (204 - 216 MHz)

Replacement 1/4-wave antenna for specific frequency.

1;4-Wave Antenna (216 - 240 MHz)

Replacement 1/4-wave antenna for specific frequency.

LICENSING INFORMATION

Changes or modifications not expressly approved...

User responsibility for licensing and modifications.

WARRANTY INFORMATION

Shure Incorporated (Shure) hereby warrants...

Shure's one-year warranty on materials and workmanship.

EU DECLARATION OF CONFORMITY

Shure Incorporated

Manufacturer's declaration details.

Declare under our sole responsibility...

Products covered by the declaration.

Conforms to the essential requirements...

Compliance with R&TTE Directive.

The products comply with the following product family...

Compliance with harmonized standards.

Manufacturer: Shure Incorporated

Manufacturer information for declaration.

Signed

Signature and date of declaration.

Name, Title

Name and title of signatory.

European Contact:

European contact information.

Trademark Notices:

The stylized Shure logo...

Notice regarding Shure trademarks.

SHURE Incorporated Web Address:

Website and contact information for Shure.