Shure LX88-II User Manual

LX88-II Wireless System

User Guide

PRODUCT INFORMATION

2000, Shure Incorporated

27A8582 (TG)

SHURE Incorporated Web Address: http://www.shure.com
222 Hartrey Avenue, Evanston, IL 60202–3696, U.S.A.
Phone: [phone] Fax: [phone]
In Europe, Phone: [phone] Fax: [phone]
In Asia, Phone: [phone] Fax: [phone]
Elsewhere, Phone: [phone] Fax: [phone]

Printed in U.S.A.

TABLE OF CONTENTS

ENGLISH

SYSTEM CONTENTS 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LX88-II RECEIVER FEATURES & CONTROLS 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LX2 HANDHELD MICROPHONE-TRANSMITTER FEATURES & CONTROLS 3. . . . .

LX1 BODY-PACK TRANSMITTER FEATURES & CONTROLS 4. . . . . . . . . . . . . . . . . . .

SYSTEM INSTALLATION 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MOUNTING THE RECEIVER 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONNECTING THE POWER SUPPLY 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONNECTING THE ANTENNAS 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONNECTING THE RECEIVER 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LX2 HAND-HELD MICROPHONE TRANSMITTER SETUP 8. . . . . . . . . . . . . . . . . . . . .

LX1 BODY-PACK TRANSMITTER SETUP 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CHECKING THE TRANSMITTER BATTERY 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TRANSMITTER AUDIO GAIN ADJUSTMENT 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RECEIVER SQUELCH ADJUSTMENT 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TIPS FOR GETTING THE BEST PERFORMANCE 14. . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LICENSING INFORMATION 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

WARRANTY INFORMATION 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CHINESE

(FROM CAMERA-READY ART)

CONGRATULATIONS!

The LX88-II Wireless System is the finest in its class. This system will give you
excellent performance for years to come.

SYSTEM CONTENTS

The LX88-II Wireless System contains the following components:

• One LX88-II dual channel wireless receiver

•Two transmitters available in one of three dif ferent combinations (see

Combinations

• Two antennas

• One PS20 (120 Vac) or PS20E (230 Vac) power adapter

• One hardware kit

• Two rackmount brackets

below)

System

System Combinations

The LX88-II system includes one of the following three transmitter combina­tions:

•Two handheld microphone transmitters (includes two swivel adapters and two
anti-roll devices)

or

• Two body-pack transmitters
or

•One handheld microphone and one body-pack transmitter (includes one swiv­el adapter and one anti-roll device)

1

LX88-II Recei ver Features & Controls (Figure 1)

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FRONT

2 3

2

1

4

3

1

4

5

BACK

6 98

7 6

7

LX88-II DUAL CHANNEL RECEIVER FEATURES & CONTROLS

FIGURE 1

Front

1. Power Indicators.

2.

RF Signal Indicators. Yellow indicates when RF (radio frequency) signals are re­ceived from the transmitter.

3. Audio Peak Indicators. This light flickers occasionally in normal operation; is ON

steadily when the audio input is overloaded.

4. V olume Controllers. Controls the audio output level.

5. POWER ON/OFF Switch.

Back

6. Antenna Connectors.

7.

Independent Audio Output Connectors. There is a separate balanced XLR
connector and unbalanced

8. Mixed Channels Audio Output Connector. An unbalanced, 1/
connector mixes both channels into a single output. This comes in handy

jack

when the mixer or amplifier has only one audio input.

Power Input Connector. Connects to a PS20 (120 Vac) or PS20E (230 Vac)

9.

power adapter.

1

/

–inch phone jack for each channel.

4

–inch phone

4

LX2 Handheld Microphone-Transmitter Features & Controls (Figure 2)

1

2

3

5

6

LX2 MICROPHONE–TRANSMITTER FEATURES & CONTROLS

BAT

MUTE

LX2

4

FIGURE 2

1. Grille.

2. Power ON/OFF Switch.

3. Power/Battery Fuel Gauge. Indicates the power level of the battery.

4. Mic On/Mute Switch. “Mutes” the transmitter to prevent unwanted sounds
from being picked up by the receiver

without

turning the transmitter off.

5. Audio Gain Control. Provides audio level adjustment to accommodate dif­ferent sound sources.

6. Battery Cover. Access to the battery and the audio gain control.

2

3

LX1 Body-Pack Transmitter Features & Controls (Figure 3)

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Á

ÁÁ

5

3

2

ON

MUTE BAT OFF PWR

4

6

1

8

7

SYSTEM INSTALLATION

MOUNTING THE RECEIVER

The LX88-II Dual Channel Wireless Receiver can be mounted in two ways: as a
stand-alone unit or as a rack-mount unit.

As a Stand-Alone Unit (Figure 4)

LX1 BODY-PACK TRANSMITTER FEATURES & CONTROLS

FIGURE 3

1. POWER ON/OFF Switch.

2. Power/Battery Fuel Gauge. Indicates the power level of the battery.

3. Input Jack. Tini “Q-G” input connector for microphones or instruments.

4. Mic On/Mute Switch. “Mutes” the transmitter to prevent unwanted sounds
from being picked up by the receiver

without

turning the transmitter off.

5. Belt Clip. Secures Body-Pack to clothing or guitar strap.

6. Antenna. For best operation, the antenna must hang vertically, it should not
be coiled or bundled.

7. Audio Gain Control. Provides audio level adjustment to accommodate dif-
ferent sound sources.

8. Battery Compartment. Access to the battery.

INSTALLING RUBBER FEET

FIGURE 4

1. Turn the unit upside-down.

2. Place the rubber feet supplied with the package in the four corners of the base.

3. Turn the unit rightside-up. It can now be mounted on any flat surface, such as a
table, with the feet working as anchors to prevent slipping.

As a Rack-Mount Unit

1. Remove the two screws from each side of the receiver.

2. Position the mounting brackets over the holes on the sides of the receiver
and secure to the receiver with the screws from Step 1 (Figure 5).

RACK–MOUNTED RECEIVER

FIGURE 5

3. Secure the assembly to a standard audio equipment rack with four screws
(Figure 6).

4

INSTALLING RECEIVER IN A RACK

FIGURE 6

5

4. If the antennas are to be remote mounted, insert the supplied plastic plugs

Á

Á

Á

Á

into the holes on the front of the brackets (Figure 7).

INSTALLING THE HOLE PLUGS

FIGURE 7

NOTE: If you install the receiver in a rack mount, we recommend you front

mount or remote mount your antennas.

CONNECTING THE RECEIVER

There are two ways to connect the receiver to a mixer or a karaoke unit:

Two Independent Channels (Figure 9)

LX88-II

BACK

AUDIO MIXER

or KARAOKE

UNIT

CONNECTING THE POWER SUPPLY

1. Connect the ac adapter to the POWER jack on the rear panel of the receiver.

2. Plug the ac adapter into an appropriate power outlet.

CONNECTING THE ANTENNAS

There are several ways the antennas can be connected to the receiver.

• When used as a stand-alone unit, attach the supplied quarter-wave antennas to
the antenna connectors on the receiver back panel. For best performance, the
receiver antennas should point straight up (Figure 8).

INSTALLING THE ANTENNAS

FIGURE 8

•If you wish to front mount the antennas, ask your Shure dealer for information
on the WA503 Front Mount Conversion Kit.

•If you wish to remote mount the antennas, ask your Shure dealer for informa­tion on the WA380

1

/2-Wave telescoping antennas or WA490

1

/2-Wave cable

antennas and a WA421 cable extension kit.

AC ADAPTER (PS20E)

CONNECTING SEPARATE CHANNELS

FIGURE 9

Connect the receiver outputs for channels 1 and 2 to the mixer or karaoke unit

inputs using balanced, 2–conductor, shielded cables with 3-pin XLR connec-

1

tors, or unbalanced, single–conductor, shielded cables with

/4-inch phone

plugs.

Two Channels Mixed Into One (Figure 10)

LX88-II

BACK

AUDIO MIXER

or KARAOKE

UNIT

AC ADAPTER (PS20E)

CONNECTING MIXED CHANNELS

FIGURE 10

Connect the Mixed Channels output to the mixer or karaoke unit input using

1

an unbalanced, single-conductor, shielded cable with a

/4-inch phone plug.

6

7

LX2 HAND-HELD MICROPHONE TRANSMITTER SETUP

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Á

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Operating the LX2 Hand-Held Microphone Transmitters (Figure 13)

Battery Installation (Figure 11)

1. With the transmitter PWR ON/OFF switch in the OFF position, hold the upper
part of the transmitter and unscrew the battery cover.

LX2 MICROPHONE-TRANSMITTER BATTERY INSTALLATION

FIGURE 11

2. Install a fresh 9V alkaline battery (DURACELL MN1604 recommended).
Make sure the battery terminals match the terminals in the transmitter.

3. Replace the battery cover.

Installing the Anti–Roll Device

The rubber anti-roll device prevents hand-held microphones from rolling off
onto the ground when they are set down on a flat surface, such as a table or
speaker cabinet. The anti-roll device proves an important safeguard in stage si­tuations where the LX2 may be used by inexperienced microphone handlers.

To install the anti-roll device, simply slip it over the microphone handle and
slide it up s o that it is positioned just below the label under the microphone grille,
as shown in Figure 12.

1. Press the POWER switch on the LX88-II receiver ON.

2. Slide the transmitter POWER ON/OFF switch to the PWR position. Check the bat-

tery level. See

Checking the Transmitter Battery

.

3. Check the RF indicator on the LX88-II receiver to see if the radio signal is
being received.

4. Slide the transmitter ON/MUTE switch to the ON position and begin speaking
or singing.

NOTE: If the red PEAK light on the receiver does not flicker during the loud­est sounds, the transmitter gain may need to be increased. See the

mitter Audio Gain Adjustment

section.

Trans-

5. During the performance or presentation, slide the ON/MUTE switch to the
MUTE position when the microphone is not being used.

6. When the performance or presentation is over , slide the transmitter POWER
ON/OFF switch to the OFF position to conserve battery power.

LX2

TRANSMITTERS

RECEIVER

LX2 HAND–HELD MICROPHONE SYSTEM OPERATION

FIGURE 13

ANTI-ROLL DEVICE INSTALLATION

FIGURE 12

LX88-II

8

9

BODY-PACK TRANSMITTER SETUP

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Á

LX1 Body-Pack Transmitter Battery Installation (Figure 14)

-+

LX1 BODY–PACK TRANSMITTER BATTERY INSTALLATION

FIGURE 14

1. With the transmitter POWER ON/OFF switch in the OFF position, press down
on the O PEN s ide o f t he b attery c ompartment c over, s lide i t back and f lip i t o pen.

2. Insert a new 9V alkaline battery in the compartment (DURACELL MN1604
recommended). Observe proper battery polarity (“+/–”).

3. Close Battery compartment cover.

Operating LX1 Body-Pack Transmitters (Figure 15)

WH10

HEADSET

WM98 MIC
& A98KCS

HORN MOUNT

NOTE: The LX1 body-pack system is designed for use with other equipment
which is not included, such as lavalier microphones, guitars, headset micro­phones, etc. See your Shure dealer for details on ordering the proper equip­ment for your needs.

1. Clip the LX1 body pack transmitter to your belt or guitar strap.

2. Connect the lavalier microphone, headset or instrument adapter cable to the
body–pack transmitter (Figure 16).

3. Press the POWER button on the LX88-II receiver ON.

4. Turn the transmitter POWER switch ON.

Check Power/Battery fuel gauge.

5. Check the RF Signal Indicator on the LX88-II receiver to see if the RF
signal is being received.

MICROPHONE CABLE OR

WA302 INSTRUMENT ADAPTER

CABLE

LX88-II

RECEIVER

10

LAVALIER

WA302 INSTRUMENT

ADAPTER CABLE

LX1 BODY–PACK SYSTEM SETUP AND OPERATION

FIGURE 15

MIC

LX1 BODY-P ACK TRANSMITTER CABLE CONNECTION

FIGURE 16

6. Slide the transmitter ON/MUTE switch to the ON position and begin speaking
or playing your instrument.

NOTE: If the red PEAK light on the receiver does not flicker during the loud­est sounds, the transmitter gain may need to be increased. See the

mitter Audio Gain Adjustment

section.

Trans-

7. During the performance or presentation, slide the ON/MUTE switch to the
MUTE position when the system is not being used.

8. When the performance or presentation is over , slide the transmitter POWER
ON/OFF switch to the OFF position to conserve battery power.

11

CHECKING THE TRANSMITTER BATTERY

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Á

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Á

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Á

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Á

Á

Battery Life Indicators Remaining Transmitter

Operating Time*

Green 6 to 20 hours

Green and Amber 4 to 6 hours

Amber 2 to 4 hours

Red 1 hour or less

* Estimated operating time assumes the use of a fresh 9 V alkaline battery (Duracell MN1604).

NOTE: The above battery life indicator readings apply for 9V alkaline batter­ies ONLY. Transmitter operating time for rechargeable 8.4V nicad batteries
vary with type, brand and number of times the battery has been used. Actual
operating times for rechareable batteries are not predictable.

or never on, the transmit audio level may require adjustment. Use the gain con­trols as follows to adjust the equipment for the best sound quality.

To adjust the audio gain, locate the transmitter audio gain control and use the

supplied screwdriver to adjust the control.

•If the PEAK light is always on, decrease the audio gain by turning the gain con­trol counter–clockwise (while the vocalist is singing or the musical instrument
is being played) until the PEAK light on the receiver flickers only occasionally.

•If the PEAK light is never on, increase the audio gain by turning the gain control
clockwise (while the vocalist is singing or the musical instrument is being
played) until the PEAK light on the receiver flickers only occasionally.

RECEIVER SQUELCH ADJUSTMENT (FIGURE 18)

WARNING: Batteries inside transmitters in long-term storage may corrode

and leak acid, causing damage to the transmitter. For long-term storage,
remove batteries from the transmitter.

TRANSMITTER AUDIO GAIN ADJUSTMENT (FIGURE 17)

LX1

TRANSMITTER AUDIO GAIN ADJUSTMENT

The transmitter audio gain control has been factory preset to provide satisfac-

tory output. However, if the PEAK light on the LX88-II receiver is constantly on

DECREASE GAIN

INCREASE GAIN

FIGURE 17

LX2

DECREASE

INCREASE

GAIN

GAIN

SQUELCH

DECREASE

INCREASE

LX88-II RECEIVER SQUELCH CONTROL ADJUSTMENT

FIGURE 18

The receiver squelch control is factory preset at the 12 o’clock position

for optimum performance. No further adjustment is normally required.

However, it is possible to adjust the squelch control to emphasize either

or

quality

system range

.

signal

• To raise the squelch threshold, rotate the control clockwise. This causes the re­ceiver to d emand a h igher q uality s ignal (less noise b efore m uting), b ut i t

reduces

the operating range.

• To lower the squelch threshold, rotate the control counterclockwise. This al­lows a lower quality signal through (more noise before muting), but it

extends

the operating range.

12

13

TIPS FOR GETTING THE BEST PERFORMANCE

• Maintain a line-of-sight between the transmitter and receiver antennas.

• Keep the receiver and antennas away from large metal objects.

•Avoid placing the receiver near computers or other RF generating equipment.

• Point the antennas straight up.

• Avoid placing the receiver in the bottom of an equipment rack unless the an-

tennas are remotely located.

1

•Use the proper receiver antennas.

/4-wave antennas can be used if mounted
directly on the receiver or front mounted on the rack ears using the WA503
Front Mount Conversion Kit; 1/2-wave or other ground-plane-dependent an­tennas must be used if antennas are remotely located.

TROUBLESHOOTING

Some common problems and their solutions are identified in the table below.

If you are unable to solve a problem, contact your dealer.

Problem Solution

No sound; RF light(s)
not glowing.

No sound; RF and Audio Level
meter lights glowing.

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

Noise from receiver with trans­mitter off.

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

• Make sure the transmitter and receiver POWER
switches are ON.

• Check battery.

• Check receiver squelch setting.

• Check receiver antenna connection(s).

• Make sure antennas are in line of sight of

transmitter.

• Turn up receiver audio VOLUME control.

• Check for proper connection between receiver

and karaoke unit.

• Talk into microphone and observe receiver audio
level lights. If they glow, the problem is
elsewhere in the sound system.

• Check battery.

• Remove local sources of RF interference.

• If using a guitar or other instrument, check

connections.

• Two transmitters may be operating on the same
frequency. Locate and turn one off.

• Signal may be too weak. Reposition antennas. If
possible, move them closer to transmitter.

• Adjust receiver squelch control.

• Remove local sources of RF interference.

• Reposition receiver or antennas.

• Reposition receiver and perform another

“walkthrough” test and observe the RF
indicators. If audio dropouts persist, mark these
“dead spots” in performing area and avoid them
during performance.

SPECIFICATIONS

RF Carrier Frequency Range

169.445 to 221.350 MHz

Working Range

100 m (approximately 300 ft) under typical conditions.

Audio Frequency Response

50 to 15,000 Hz, ±2 dB.

Audio Output Level (±15 kHz deviation, 1 kHz tone)

XLR connector (into 600 Ω load): –20 dBV (mic)

1

/4–inch connector (into 3 kΩ load)

1

/

inch connector (into 3 kΩ load): –18dBV (mix)

4

Gain Adjustment Range

LX1: 40 dB
LX2: 25 dB

Impedances

LX1 (input): 1 MΩ
LX88-II (output): 600 Ω (XLR); 5 kΩ (

RF Power Output

LX1, LX2: 50 mW maximum (complies with FCC and IC regulations)

RF Sensitivity

–101 dBm, typical

Audio Polarity

Positive pressure on microphone diaphragm (or positive voltage applied to tip
of WA302 phone plug) produces positive voltage on pin 2 with respect to pin 3
of low impedance output and tip of high impedance

System Distortion (ref. ±15 kHz deviation, 1 kHz modulation)

0.7%

Power Requirements

LX1, LX2: 9V alkaline battery (Duracell M N1604 recommended). 8.4V Nicad (re­chargeable) are optional but not recommended.
LX88-II: 12 Vdc (PS20, 120Vac; PS20E, 230 Vac Power Supply)

Current Drain

LX1: 31 mA average (40 mA max), LX2: 30 mA average (35 mA max)
LX88-II: 160 mA average (195 mA max)

Operating Temperature Range

-20° to 50° C (-4° to 122° F). NOTE: Battery characteristics may limit this
range.

Overall Dimensions

LX1: 82.6 mm H x 63.5 mm W x 26.2 mm D (31/4 x 21/2 x 11/32 in.)
LX2/58: 241 mm L x 50.8 mm Dia. (9
LX88-II: 44 mm H x 349 mm W x 194mm D (1 3/4 x 13 3/4 x 7 5/8 in)

Net Weight

LX1: 79.5 g (2.8 oz) without battery
LX2/58: 294.8 g (10.4 oz) without battery
LX88-II: 1.7 Kg (3.7 lbs)

Certification

LX1, LX2: Type-accepted under FCC Parts 90 and 74; IC certified under
TRC-78

–8.8 dBV (Hi Z)

:

1

/4-inch phone jack)

1

/2 x 2 in.)

1

/4-inch output.

14

15

FURNISHED ACCESSORIES

Receiver Rack Mount Brackets 53A8425. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hardware Kit 90TZ1371. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Swivel Adapter (hand-held only) WA370A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Anti-Roll Device (hand-held only) 66A4083. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPTIONAL ACCESSORIES

Microphone Adapter Cable (LX1) WA310. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switchcraft TA4F Female 4-Pin Connector (LX1) WA330. . . . . . . . . . . . . . . . .

In-Line Audio Switch (LX1) WA360. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

/2-Wave Telescoping Antenna (169–185 MHz) WA380A*. . . . . . . . . . . . . . . .

1

/2-Wave Telescoping Antenna (185–200 MHz) WA380B*. . . . . . . . . . . . . . . .

1

/2-Wave Telescoping Antenna (200–230 MHz) WA380C*. . . . . . . . . . . . . . . .

Antenna/Power Distribution System, 120 Vac WA404. . . . . . . . . . . . . . . . . . .

Antenna/Power Distribution System, 230 Vac WA404E. . . . . . . . . . . . . . . . . .

1

1.8 Meter (6 ft.) Receiver-Mixer Cable (

/4” phone to XLR) WA410. . . . . . . .

6.1 Meter (20 ft.) Antenna Extension Cable WA421. . . . . . . . . . . . . . . . . . . . .

Antenna Rack Mount Kit WA440. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Passive Antenna Splitter WA470. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

/2-Wave Cable Antenna (169–185 MHz) WA490A. . . . . . . . . . . . . . . . . . . . . .

1

/2-Wave Cable Antenna (185–200 MHz) WA490B. . . . . . . . . . . . . . . . . . . . . .

1

/2-Wave Cable Antenna (200–216 MHz) WA490C. . . . . . . . . . . . . . . . . . . . . .

Single Receiver Front-Mount Antenna Conversion Kit WA503. . . . . . . . . . . .

*Includes wall-mounting bracket for remote antenna placement

REPLACEMENT PARTS

SM58 Cartridge with Grille (LX2/58) R158. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

AC Adapter PS20 (120 Vac)/PS20E (230 Vac). . . . . . . . . . . . . . . . . . . . . . . . .

Matte Silver Grille (LX2/58) RK143G. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Belt Clip (LX1 ) 53A8247A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

/4-Wave Antenna 90A8380. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LICENSING INFORMATION

Changes or modifications not expressly approved by Shure Brothers Inc.
could void your authority to operate the equipment. Licensing of Shure wireless
microphone equipment is the user’s responsibility, and licensability depends on
the user’s classification and application, and on the selected frequency. Shure
strongly urges the user to contact the appropriate telecommunications authority
concerning proper licensing, and before choosing and ordering frequencies
other than standard frequencies.

WARRANTY INFORMATION

Shure Incorporated (“Shure”) hereby warrants that these products will be free
from defects in material and workmanship for a period of one year from the date
of purchase. At its option, Shure will repair or replace the defective product and
promptly return it to you, or refund the purchase price. Retain proof of purchase
to validate the purchase date and return it with any warranty claim. If you believe
this product is defective within the warranty period, carefully repack the unit, in­sure it, and return it postpaid to:

Shure Incorporated
Attention: Service Department
222 Hartrey Avenue
Evanston, IL 60202-3696 U.S.A.
Telephone: [phone]

For service outside the United States, return the product to any authorized
Shure Distribution Center.

All claims of defects or shortage should be directed to the above address.
Please furnish model number , operating frequency, and date, place and proof of
purchase (such as a copy of your sales receipt) to establish warranty . Your letter
should include all pertinent details including applicable model or part numbers
and a brief description of the problem. Do not mail any units or parts to Shure
unless requested to do so by Shure’s Service Department. Any returned items
must have prior authorization. Unauthorized returns are delayed in handling;
these delays can be avoided by contacting Shure in advance and furnishing the
necessary information.

Shure reserves the right to make design changes and product improvements
on any previously manufactured products. Shure also reserves the right to ship
new and/or improved products which are similar to the form, fit and function of
the originally ordered products.

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