Shure BLX1 User manual

audio ready group

(A-Y)

channel

(0-9)

power

BLX88

audio ready group

(A-Y)

channel

(0-9)

audio ready group

(A-Y)

channel

(0-9)

power

BLX4

channel group

-10 dB

group

(A-Y)

channel

(0-9)

27A16035 (Rev. 2)

BLX Wireless System

BLX

System Components

Note: Your system comes with a combination of the fol-

lowing components.

• BLX1 Bodypack Transmitter

• BLX2 Handheld Transmitter (choice of SM58,

BETA58A, or PG58)

• BLX4 Wireless Receiver

• BLX88 Dual Wireless Receiver

• PS21 Power Supply

• Lavalier microphone (choice of PG185, WL185 or

WL93)

• Headworn microphone (choice of PG30 or

WH30-TQG)

• Instrument microphone (BETA98H)

• Guitar cable (WA302)

Front Panel

Features

BLX88

① audio LED

Indicates strength of incoming audio signal: green for

normal and red for overload.

② Ready LED Icon

Green light indicates system is ready for use and

receiving transmitter signal.

③ LED Display

Displays group and channel setting.

④ group and channel Buttons

Scan: Push and release group button to scan for an

open group and channel.

Manual: Push and hold group button to find an open

group. Push and release channel button to find a

channel in the current group.

⑤ power Button

Turns power on or off.

BLX4

audio ready group

(A-Y)

channel

(0-9)

power

BLX88

audio ready group

(A-Y)

channel

(0-9)

audio ready group

(A-Y)

channel

(0-9)

power

BLX4

⑤

① ② ③ ④

①②③ ④⑤

①②③ ④

BLX2

① LED Indicator

Displays power and battery status (see table).

② power Button

Push to turn power on or off.

③ group Button

Changes group setting.

④ channel Button

Changes channel and gain setting.

⑤ LED Display

Displays group and channel setting.

⑥ Identification Cap

⑦ Battery Compartment

① AC Adapter Jack

② Adapter Cord Tie-Off

③ XLR microphone output jack MIC out

④ 6.35 mm (1/4") instrument level output jack

instrument out

Note: XLR and 1/4" connectors can be used simultane-

ously. Refer to the output information in Specifications.

BLX1

① LED Indicator

Displays power and battery status (see table).

② power Switch

Toggles power on or off.

③ Audio Gain Adjustment

Gain thumb wheel—located on the inside of

bodypack door.

④ 4-Pin Microphone Input Jack (TA4

connector)

⑤ group Button

Changes group setting.

⑥ channel Button

Changes channel setting.

⑦ LED Display

Displays group and channel setting.

⑧ Antenna

⑨ Battery Compartment

Back Panel

BLX4

BLX88

BLX1

BLX2

channel group

-10 dB

group

(A-Y)

channel

(0-9)

①

②

④

⑤

⑥

⑦

⑧

⑨

③

③ ④

⑥

⑦

⑤

①

②

POWER

MIC OUT

INSTRUMENT OUT

12-18 V

160 mA

①②③ ④

①

②③ ③ ④④

POWER

MIC OUT

INSTRUMENT OUT

12-18 V

160 mA

INSTRUMENT OUT

MIC OUT

Transmitter LED Indicators

LED Indicator Status

Green Ready

Rapidly Flashing Amber Controls locked

Solid Red Battery power low (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.

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.

1. Press and release the group button on the receiver.

The receiver scans for the clearest group and proceeds to channel

scan.

Note: If you want to stop the scan, push the group or channel

button.

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

receiver (See Manually Setting Group and Channel).

Once the receiver is set up, perform an audio check on the

microphone.

Manually Setting Group and Channel

Single System Setup

Receiver Setup

Group (letter)

1. Hold the group button on the receiver until

the display begins to flash.

2. While the display is flashing, press the

group button again to advance to the next

group.

Note: Only the group setting will be dis-

played during the manual setup.

3. Once the desired group is reached, release

the group button. Then the receiver will au-

tomatically perform a channel scan.

Channel (number)

If channel needs to be changed, follow the

same procedure using the channel button

instead of the group button.

group channel

channel

group

channel

group

channel

group

channel

group

Transmitter Setup

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

Group (letter)

1. Press and release the group button on the transmitter to activate the display. Press the group button again and the

display flashes.

2. 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.

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 is 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:

1. 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.

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

3. Leave the transmitter on and continue with the additional systems.

For each additional receiver:

1. 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.

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

3. Leave the transmitter on and continue to the next system.

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

Locking and Unlocking Controls

Lock system controls to prevent accidental setting changes or power off.

Transmitter

Turn the transmitter on. Hold the group button, then

press the channel button for approximately 2 seconds.

The LED indicator rapidly flashes amber when locked and

green when unlocked.

Receiver

Turn the receiver on. Simultaneously press the group

and channel button to lock or unlock. The display flashes

rapidly.

When locked, the LED display flashes rapidly if any key

is pressed.

The BLX88 can be locked from either side for both sides.

Wireless Tips to Improve System Performance

If you encounter wireless interference or dropouts, try the following suggestions:

• Replace the transmitter batteries

• Choose a different frequency channel

• Reposition the antennas so there is nothing obstructing a line of sight to the transmitter (including the audience)

• Avoid placing transmitter and receiver where metal or other dense materials may be present

• Move the receiver to the top of the equipment rack

• Remove nearby sources of wireless interference, such as cell phones, two-way radios, computers, media players, and

digital signal processors

• Keep transmitters more than two meters (6 feet) apart

• Keep the transmitter and receiver more than 5 meters (16 feet) apart

• Keep them away from large metal objects

• During sound check, mark trouble spots and ask presenters or performers to avoid those areas

Getting Good Sound

Correct Microphone Placement

• Hold the microphone within 12 inches from the sound

source. For a warmer sound with increased bass

presence, move the microphone closer.

• Do not cover grille with hand.

Wearing the Headworn Microphone

• Position the headworn microhpone 13 mm (1/2 in.)

from the corner of your mouth.

• Position lavalier and headworn microphones so that

clothing, jewelry, or other items do not bump or rub

against the microphone.

Adjusting Gain

Monitor the audio LED indicator on the receiver front panel when setting the transmitter gain.

• Green: normal levels

• Red: excessive sound levels (overload).

BLX1

Use the thumb wheel on the inside of the bodypack bat-

terydoortoadjustthegainup(+)ordown(−)untildesired

level is reached. For instruments, turn gain to minimum

setting. For lavaliers, increase the gain as desired. The

audio LEDs on the receiver should illuminate when you

speak into the microphone or play your instrument. The

red LED should only illuminate infrequently when you

speak loudly or play your instrument loudly.

BLX2

The BLX2 features two gain level settings, default and

attenuated (-10 dB). The default setting is used for most

situations. If the receiver audio LED flickers red often, set

the microphone to attenuated. Use the channel button to

change the gain setting.

1. Hold down the channel button for 5 seconds.

A dot appears on the lower right-hand corner of the

LEDdisplay,whichindicates−10dBgainsettinghas

been activated.

2. To change the gain back to default, hold the channel

button again for 5 seconds, or until the dot disappears.

13 mm

(.5 in.)

group

(A-Y)

channel

(0-9)

channel group

-10 dB

select

5 s

Expected life for AA batteries is up to 14 hours (total

battery life varies depending upon battery type and

manufacturer).

When the LED indicator turns red, it signifies "low battery"

with approximately 60 minutes of remaining battery life.

For alkaline batteries only. For rechargeable batteries,

solid red means the batteries are dead.

To remove batteries from the handheld transmitter, push

them out through the opening in the microphone battery

compartment.

WARNING: Danger of explosion if battery

incorrectly replaced. Operate only with Shure

compatible batteries.

WARNING: Battery packs shall not be exposed

to excessive heat such as sunshine, fire, or

the like.

Wearing the Bodypack

Transmitter

Clip the transmitter to a belt or slide a guitar strap through

the transmitter clip as shown.

For best results, the belt should be pressed against the

base of the clip.

Power Off

Hold down the power button to power off the BLX2 or

BLX4/88. To power off the BLX1, slide the power toggle

switch to OFF.

Removing and Installing

Identification Caps

The BLX2 is equipped with a black identification cap from

the factory (dual vocal systems comes with a black and

gray cap).

To remove: Remove battery cover. Squeeze sides and

pull off cap.

To install: Make sure the tab matches the slot on the bot-

tom of the handheld and click into place. Replace battery

cover.

An optional Identification Cap Kit containing 9 colored

caps is available (see Optional Accessories).

Batteries

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