Shure BLX288/B58 Technical manual

BLX

Wireless System

Online user guide for Shure BLX wireless system.

Version: 5.0 (2021-G)

Shure Incorporated

2/23

Table of Contents

BLX Wireless System 3

System Components 3

Quick Start Guide 3

Features 5

Front Panel 5

Back Panel 6

BLX1 6

BLX2 7

Single System Set Up 8

Setting Transmitter Group and Channel 9

Group (letter) 9

Channel (number) 9

Multiple System Setup 10

Manually Setting Receiver Group and Channel 10

Group (letter) 10

Channel (number) 10

Locking and Unlocking Controls 10

Transmitter (lock/unlock) 11

Receiver (lock/unlock) 11

Tips to Improve Wireless System Performance 11

Getting Good Sound 11

Correct Microphone Placement 12

Wearing the Headworn Microphone 12

Adjusting Gain 12

BLX1 13

BLX2 13

Batteries 13

Wearing the Bodypack Transmitter 14

Power Off 14

Removing and Installing Identification Caps 15

Troubleshooting 15

Frequency Range and Transmitter Output Level 16

Specifications 17

IMPORTANT SAFETY INSTRUCTIONS 20

Certifications 21

Important Product Information 22

LICENSING INFORMATION 22

Information to the user 22

Australia Warning for Wireless 23

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•

BLX 

Wireless System

System Components

Note: Your system comes with a combination of the following components.

BLX1 Bodypack Transmitter

BLX2 Handheld Transmitter (choice of SM58, BETA58A, or PG58)

BLX4 Wireless Receiver

BLX88 Dual Wireless Receiver

PS24 Power Supply

Lavalier microphone (choice of PG185, WL185 or WL93)

Headworn microphone (choice of PG30, SM31FH or SM35)

MX153 Earset microphone

Instrument microphone (BETA98H/C)

Guitar cable (WA302)

Quick Start Guide

a. Connect receiver to power source.

b. Connect receiver to mixer or amplifier. Hold power button to turn on.

Press group button on receiver to perform a group scan.

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a. Install batteries and turn on transmitter.

b.Onthetransmitter,setthegroupandchanneltomatchthereceiver.TheaudioLEDonthereceivershouldillumi

nate.

If setting up additional systems, leave the first transmitter and receiver on. For each additional receiver, manually set

thegrouptomatchthefirstreceiver.

Note: The receiver will automatically perform a channel scan to find an available frequency after the group has been selected. Set the transmitter fre

quency to match the receiver.

If sound is too faint or distorted, adjust the gain accordingly.

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Features

Front Panel

BLX4

BLX88

①audio LED

Indicates strength of incoming audio signal: green for normal and red for overload.

②ready LED

Green light indicates system is ready for use and receiving transmitter signal.

③LED Display

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Displays group and channel setting.

④group and channel Buttons

Scan: Push and release group button to scan for an open group and channel.

Manual: Push and hold group button to select a group. Push channel button to select a channel in the current group.

⑤power Button

Push and hold to turn power on or off.

Back Panel

BLX4

BLX88

①DC Power Jack

②Adapter Cord Tie-Off

③XLR microphone output jack (MIC out)

④6.35 mm (1/4") instrument level output jack (instrument out)

BLX1

①LED Indicator

Displays power and battery status (see Transmitter LED Indicators).

②power Switch

Toggles power on or off.

③4-Pin Microphone Input Jack (TA4 connector)

④Antenna

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⑤group Button

Changes group setting.

⑥LED Display

Displays group and channel setting.

⑦channel Button

Changes channel setting.

⑧Battery Compartment

⑨Audio Gain Adjustment

Rotate to increase or decrease transmitter gain.

BLX2

①LED Indicator

Displays power and battery status (see Transmitter LED Indicators).

②power Button

Push to turn power on or off.

③group Button

Changes group setting.

④channel Button

Changes channel and gain setting.

⑤LED Display

Displays group and channel setting.

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⑥Identification Cap

⑦Battery Compartment

Transmitter LED Indicators

LED Indicator Status

Green Ready

Rapidly Flashing Red Controls locked

Solid Red Battery power low (less than 1 hour remaining*)

Flashing Red and shuts off Batteries dead (change batteries to power on transmitter)

*For alkaline batteries only. For rechargeable batteries, solid red means the batteries are dead.

Single System Set Up

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•

Before you begin, turn off all transmitters and turn on any equipment (other microphones or personal monitoring systems) that

could cause interference during the performance.

Press and release the group button on the receiver.

The receiver scans for the clearest group and channel.

Note: If you want to stop the scan, push the group button again.

Turn on transmitter and change the group and channel to match the receiver (See SettingTransmitterGroupandChan

nel).

Once the system is set up, perform an audio check and adjust the gain if necessary.

Setting Transmitter Group and Channel

Transmitter group and channel must be manually set to match the receiver.

Group (letter)

Press and release the group button on the transmitter to activate the display. Press the groupbuttonagainandthedis

play flashes.

While the display is flashing, press the group button again to advance to the desired group setting.

Channel (number)

If channel needs to be changed, follow the same procedure using the channel button instead of the group button.

Note:

When the group and channel correctly match the receiver, the ready LED on receiver illuminates.

After manual setup, the transmitter alternately displays the group and channel setting for about two seconds.

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Multiple System Setup

Up to 12 systems can operate simultaneously (band and RF environment dependent).

Important: Set up each system one-at-a-time. Once a receiver and transmitter are tuned to the same group and channel, leave the transmitter powered on.

Otherwise, scans from the other receivers will not detect that channel as occupied. For the BLX88, be sure to setup both transmitters before progressing to the

next receiver.

Turn on any other equipment that could cause interference during the performance so it will be detected during the group and channel scans in the following

steps.

Before you begin system set up, turn all receivers ON and all transmitters OFF.

For the first receiver:

Perform a group scan.

This finds the group with the most clear channels.

Note: For the BLX88, the group scan sets up both receivers at the same time.

Turn on the first transmitter and change the group and channel to match receiver.

Leave the transmitter on and continue with the additional systems.

Note: If the selected group does not contain enough open channels, manually select group "d" when setting up larger systems.

For each additional receiver:

Use manual setup to change the receiver to match the group setting of the first receiver. Recall that each time the

group setting is changed, a channel scan is automatically done.

Turn on the transmitter and change the group and channel to match the receiver.

Leave the transmitter on and continue to the next system.

Once all receivers are set up, perform an audio check on all microphones.

Manually Setting Receiver Group and Channel

The receiver group may need to be changed as part of a multiple system setup.

Group (letter)

Hold the group button on the receiver until the display begins to flash.

While the display is flashing, press the group button again to advance to the next group.

Note: Only the group setting will be displayed during the manual setup.

Once the desired group is reached, release the group button. The receiver automatically performs a channel scan.

Channel (number)

Always use a channel selected by the channel scan. However, if necessary, the channel can be set manually. Follow the same

steps above using the channel button instead of the group button.

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