Shure ACCESS UHF User Guide

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ACCESS UHF SERIES USER GUIDE

This user guide provides detailed instructions for your Access UHF series wireless system. To get your system up and
running in minutes, see the Access UHF Series Quick Set Up Guide.

Your new Access UHF Series system is designed to give you both the freedom of a wireless system and world-famous
Shure sound quality. This manual covers all four Access UHF Series systems: the AXU58D handheld systems; the AXUGD
bodypack systems; the AXUHD Headset systems; and the AXULD lavalier microphone system.

Wireless

System

AXU58D

Hand-held systems for

singers

AXUGD

Bodypack systems for

electric guitar, bass, and

other electric instruments

Bodypack system for hands-

AXUHD

free applications, such as

aerobics instruction or

percussion

Components

Transmitter: AXU2 Hand-Held

AXU1 Body-Pack Transmitter

Microphone-Transmitter

Microphone: SM58 Microphone WL184 Supercardioid

Lavalier Microphone

WH20TQG

Headset Microphone

Receiver: AXU4 Diversity Receiver

Power Supply: PS20 (105–125 VAC, 60 Hz), o PS20E (230 VAC, 50 Hz)

Battery: 9 V Alkaline (Duracell MN 1604)

Supplied

Accessories:

Microphone Stand Adapter,

Receiver Feet,

VELCRO Rec eiver

Receiver Feet,

VELCRO Receiver Mounting

Strips

Receiver Feet,

VELCRO Receiver Mounting

Strips

Mounting Strips

RECEIVER FEATURES

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6

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9

Bodypack system for public

AXULD

speaking, theater, or

business presentations

A302

Adapter Cable

Receiver Feet,

VELCRO Receiver Mounting

Strips

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FIGURE 1. AXU4 RECEIVER FEA TURES

1. Power On Indicator: This green light glows when DC Power
ia applied to receiver.

2. Diversity A/B Indicators: These yellow lights glow when the
receiver d et ects R F s i gnals from t he t ransm it ter. W hen o nl y o ne
light glows, the signal is being received on only one antenna.

3. Audio Peak Indicator: This r ed light f licker s w hen t he receiver
audio output signal approaches the overload clipping level.

4. Volume Control: Increases or decreases receiver output
volume. It does not affect audio clipping levels.

5. Antennas: Receive RF signals from the transmitter. For best
performance, point the receiver antennas away from each
other at a 45° angle.

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6.

/4” Phone Jack Connector (Unbalanced High Z Output):

An unbalanced audio cable with a 1/4” phone plug (such as a

UNBALANCE D

HIGH Z

BALANCED

SQUELCH

LINE MIC

LOW Z

MIN MAX

DC INPUT

12–18 VDC

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standard g uit ar cable) can b e u sed b et ween this connector and
your amplifier input.

7. XLR Audio Output Connector: Balanced low Z micro-
phone level output.

8. Mic/Line Switch: Switches output of XLR connector from
microphone level to line level. Use line level when connect­ing receiver to a device without an available mic-level input,
such as a power amplifier, signal processor, or VCR.

9. Squelch Control : Adj usts s quel ch to enhance signal q ual it y o r
extend system range. This control is factory pre-set, and nor­mally does not require further adjustment.

10. Power Input Connector: Mates with the AC power adapter.

11. Power Cable Retainer: Secures the AC adapter cable to the
receiver.

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TRANSMITTER FEATURES

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8

5

4

MUTE

ON

LOW BATT

3

INPUT

ATTEN

0

-20

OFF PWR

2

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6

FIGURE 2. AXU1 AND AXU1G BODYP ACK TRANSMITTER FEATURES

1. Power Switch: Turns transmitter power on and off.

2. Input Attenuation Switch: Allows choice between 0 dB and
–20 dB attenuation, for greater audio gain control.

3. Power/Battery Fuel Gauge: The green light indicates the
unit is on. The red light indicates less than one hour of battery
life remains.

4. Mute Switch: Slide to ON for normal operation. Slide to
MUTE to prevent sounds from being picked up by the receiv­er

without

turning the transmitter off.



5. Input Connector:Tini Q-G

connector a llow s connect ion t o a
variety of lavalier and headset microphone cables and the
Shure WA302 instrument adapt er cable.

6. Belt Clip: Secures the transmitter to a belt, waistband or gui­tar strap.

7. Audio Gain Control: Provides audio level adjustment to ac ­commodate various input signal strengths (e.g., speaking into
a microphone or playing an instrument). The factory setting is

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at mid-point. A small screwdriver is supplied to make adjust ­ments.

8. Antenna: A flexible wire antenna is permanently attached to
the bottom of the AXU1 body-pack transmitter.

eration, the antenna must hang vertically, and should not be
coiled or bundled.

9. Battery Compartment: Holds one 9 V battery. Hinged cover
opens to provide access to the battery.

10. Lavalier Microphone: Supercardioid WL184 condenser la­valier microphone clips onto a tie, lapel, or acoustic instru­ment. Includes a Tini Q-G connector.

11. Headset Microphone (WH20TQG): Headset microphone
features a headset frame, headband, and an attached Tini
Q-G connector. See tag attached to headset for assembly in­structions.

12. WA302 Instrument Adapter Cable. Connects output from
electric g ui t ar, bass, and other e lectronic instruments t o t r ans­mitter input.

For best op-

1. Power Switch: Recessed to prevent accidental turn-off.

2. Power On Indicator: Glows green when power is on.

3. Low Battery Indicator: Glows red when one hour or less of

4. Mute Switch: Slide to ON for normal operation. Slide to

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2

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FIGURE 3. AXU2 MICROPHONE-TRANSMITTER FEATURES

operating time remains and battery should be changed.

MUTE to prevent sounds from being transmitted to the re­ceiver.

Muting the transmitter does not turn off power

.

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6

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5. Audio Gain Control: Allows you to adjust the transmitter to
match the loudness of your vocals. A small screwdriver is
supplied to make adjustments.

6. 9V Alkaline Battery (shown installed): Provides power to
the microphone-transmitter.

7. Battery Cover: Unscrews for access to the 9V alkaline bat­tery and gain control.

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SYSTEM SETUP

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BATTERY INSTALLATION

1. Slide the transmitter POWER ON/OFF switch to the OFF
position.

2.

AXU1, AXU1G

: Press down on the OPEN side of the battery
compartment cover, slide it back and flip it open, as shown
in Figure 4.

AXU2:

Unscrew the transmitter battery cover to expose the

battery terminals, as shown in Figure 4.

9 V

-

+

+

9 V

-

FIGURE 4. BATTERY INSTALLATION

3. Insert a fresh 9V alkaline battery into the battery compart­ment ( A D u ra ce ll M N1604 i s recommended). A fresh 9V alka­line battery will typically provide 18 hours of performance
time. A fully charged 8.4V NiCad battery will provide about
2 hours of performance time.

IMPORT ANT: Carbon-zinc and zinc-chloride batteries will
not provide adequate power and are not recommended.

4. Replace the battery cover.

HEADSET ASSEMBLY

1. Refer to the tag attached to the headset for assembly instruc­tions. After assembling the WH20, adjust the headband and
place it on your head.

2. Position the microphone over the corner of your mouth,
about 1/2 inch away. See Figure 5.

3. To reduce pops and breath noise, place the supplied foam
windscreen over the microphone.

FIGURE 5. HEADSET MICROPHONE POSITION

BODYPACK TRANSMITTER SETUP

1. Attach the transmitter to your belt, guitar strap, or waistband
as shown in Figure 6. Depress the tab marked PRESS and
slip the belt or strap between the transmitter body and the
belt clip. For added stability, draw the strap or belt toward the
clip’s top wire, especially when using thin guitar straps.

FIGURE 6. TRANSMITTER SETUP

2. Plug your guitar, headset microphone, or lavalier micro­phone into the transmitter.

RECEIVER SETUP

1. Plug one end of the AC power adapter int o t he DC INPUT c on­nector on the back of the receiver.

2. Loop the power cable around the cable retainer on the bottom
of the receiver. See Figure 7.

3. Plug the other end of the AC power a dapter into an AC power
source. The green POWER light on the receiver will glow.

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FIGURE 7. POWER CABLE RETAINER

4. Connect the receiver output as follows:

• AXUGD: Plug a standard guitar cable (two provided) into

the receiver’s output connector. Plug the other end into a
guitar amplifier, as shown in Figure 8.

• AXUHD, AXU58D or AXULD: Use a cable with a 1/4 inch

phone plug or a female XLR connector to connect the re­ceiver to a mic level input of a mixer or PA system, as shown
in Figure 8.

5. Extend antennas fully and point them away from each other
at a 45° angle, as shown in Figure 8.

SHURE

SHURE

SHURE

FIGURE 8. WIRELESS SYSTEM OPERA TION

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STACKING AND RACK-MOUNTING RECEIVERS

Multiple AXU4 receivers may be stacked or rack-mounted, as
shown in Figure 9.

SHURE

SHURE

STACKED RECEIVERS

FIGURE 9. RECEIVER MOUNTING

SHURE SHURE

RACK-MOUNTED RECEIVERS

WIRELESS SYSTEM OPERATION

OPERATING YOUR WIRELESS SYSTEM

1. Slide the transmitter MUTE switch to the ON position.

2. Sing, speak, or play your instrument at typical volume levels.
(AXUGD systems: turn the volume control on your guitar or
bass all the way up.) Normal operation is indicated by:

•

Steady glow of one or both yellow DIVERSITY A/B lights.

•

Flickering of the red TRANSMITTER AUDIO PEAK light
when loud sounds are transmitted

NOTE: If the yellow DIVERSITY A/B lights do not glow, con­sult the

Troubleshooting

Section in this guide.

If the red TRANSMITTER AUDIO PEAK light on the receiver
does not flicker occasionally, refer to the

Adjustments

Section.

.

Wireless System

To stack multiple receivers, attach the rubber feet to the bottom
corners of both units and make sure the bottom receiver is on a
flat, stable surface. Extend antennas fully and point them away
from each other at a 45° angle.

To rack-mount one or two receivers, slide the receiver(s) into a
standard audio rack space. Refer to the

Optional Accessories

paragraph for rack mount accessories. If two receivers are
mounted side by side, the outer antennas should be at 45° and
the inner antennas should be vertical.

3. When finished, slide the MUTE switch to MUTE. Then slide
the transmitter POWER switch to OFF. (Muting the transmit­ter first will help prevent audio thumps that may occur when
powering off the transmitter.)

NOTE: If the DIVERSITY A/B lights do not go out after you
turn off your transmitter, your receiver is picking up an RF sig­nal from some other source. If you cannot identify and re­move this source (usually other digital or wireless electronic
equipment nearby), place your receiver in another location.
If external RF sources cannot be avoided, you may need a
wireless system that operates on a different carrier frequen­cy. Contact your Shure dealer for details.

WIRELESS SYSTEM ADJUSTMENTS

TRANSMITTER AUDIO GAIN ADJUSTMENT

The audio gain control on each transmitter has been factory­preset at the mid-range position. This produces the best results
in most applications. If the red AUDIO PEAK light on the receiver

does not

gain may n eed t o b e i ncr eased unti l a p roper s ignal- to- noise r ati o i s
reached. T his m ay b e necessary fo r s of t s i ngers o r talkers, o r guitar
or basses with low outputs.

For loud singers or talkers, or instruments with high outputs, the
preset gain level may be too high, causing unwanted distortion.
This condition is indicated by the continuous glow of the red
PEAK light on the receiver during usage.

flicker, t he p reset g ain le vel m ay be t oo l ow and the a udi o

•

To Increase Gain:

Rotate the transmitter gain control clock­wise with the supplied screwdriver, as shown in Figure 10,
until the red TRANSMITTER AUDIO PEAK light on the re­ceiver flickers when the guitar is played loudly, or when you
sing or speak in a loud voice.

•

T o Reduce Gai n:

Rotate the transmi t t er g ain control count er­clockwise, as shown in Figure 10, until the red TRANSMIT­TER AUDIO PEAK light on the receiver flickers only when
the guitar is played loudly, or when you speak or sing in a
loud voice.

•

To Return Audio Gain to the Factory Setting:

Rotate the
transmitter audio gain control counterclockwise as far as it
will go (AXUGD systems), clockwise as far as it will go (AX­UHD systems), or to mid position (AXU58D and AXULD
systems). See Figure 10.

+

9 V

-

FIGURE 10. GAIN ADJUSTMENT

AXU1 GAIN/ATTENUATION SETTINGS

The attenuation switch and the gain control on the AXU1 body­pack can be used to provide a wide spectrum of gain control
choices. The following ranges are starting points; actual output
levels may vary.

DEVICE LEVEL ATTENUATION

Lavalier

Microphone

Lavalier

Microphone

Headset Conversational

Headset Projected

Electric

Guitar

or Bass

Electric

Guitar/Bass

Electric

Guitar/Bass

Conversational

Voice

Projected

Voice

Voice

Voice

Passive

Electronics

Active

Electronics

Active

Electronics

SWITCH

SETTING

0 dB HIGH

0 dB MIDRANGE

0 dB MIDRANGE

0 dB LOW

–20 dB

–20 dB

–20 dB LOW

GAIN CONTROL

SETTING

(clockwise)

(counterclockwise)

HIGH

(clockwise)

MID–RANGE

(counterclockwise)

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RECEIVER VO LUME ADJUSTM ENT

The volume control on the front panel of the AXU4 receiver can
be adjusted to make the wireless system output level identical to
that of a cabled guitar or bass or wired microphone. After making
any necessary transmitter gain adjustments, adjust the receiver
volume control until the output reaches the desired level. Rotate
the volume control clockwise to
terclockwise to

decrease

output.

increase

output. Rotate it coun-

RECEIVER SQUELCH ADJUSTMENT

The squelch control on the AXU4 receivers is factory preset
for optimum performance. No further adjustment is normal-
ly required. It is possible to adjust the squelch control setting to

emphasize either signal quality or system range:

•

T urning the squelch control clockwise causes the receiver
to demand a higher quality signal (less noise before mut­ing), but

•

Turning the squelch control counterclockwise allows a low­er quality signal through (more noise before muting), but

creases

To return the receiver squelch control to the factory setting, ro­tate it to the mid-range position (so the slot is vertical).

decreases

operating range.

operating range.

in-

ABOUT THE SHURE NOISE SQUELCH SYSTEM

Conventional squelch circuits analyze RF signal strength; they
cannot distinguish between noise and desired signals. Conse­quently , when a c onvent ional w i rele ss s ystem is used i n a n oi sy R F
environment, its circuits may “open” unexpectedly, sending loud
bursts of noi se through the receiver when the transmi t ted signal i s
weak or turned off.

Unlike convent ional w i rel ess s ystem s, S hur e A ccess syst ems use
a noise squel ch c ir cuit t hat a nal yzes
strength. A special detector monitors the level of high frequency
noise. W hen t he t ransm itt er s i gnal i s st rong, t he s ystem ’ s n oise l ev­el is l ow and the recei ver s ends a udi o t hrough. W hen the transmit­ter s ignal i s w eak o r a bsent , t he s ystem’ s n oise l evel i s h igh and the
squelch circuit will mute the receiver. This virtually eliminates the
possibility of annoying bur sts o f n oi se comi ng t hr ough t he r ecei ver.

signal qual ity

instead of signal

TIPS FOR ACHIEVING MAXIMUM PERFORMANCE

•

Make sure you can always see a receiver antenna from the
transmitter position.

•

Keep the distance from transmitter to receiver antenna as
short as possible.

•

Point receiver antennas away from each other at 45° from
vertical.

•

Avoid placing the receiver antennas near metal surfaces and
obstructions.

•

Monitor battery fuel gauge and replace battery as soon as red
light is on.

•

Let the body-pack transmitter antenna hang freely; do not coil
or keep in pocket.

•

If stacking or rack mounting receivers in a multiple-system
use situation, do not allow antennas to touch or cross.

•

Perform a walk-through before performance or presentation.
If dead spots are found, adjust location of receiver. If dead
spots remain, mark spots and avoid.

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PROBLEM

INDICATOR STATUS

= on

= flickers on loud peaks

RECEIVER

TROUBLESHOOTING

SOLUTIONS

XMITTER

No sound.

No sound or faint sound.

TRANSMITTER

POWER

POWER

POWER

POWER

POWER ANTENNA AUDIO

POWER

ANTENNA

A

ANTENNA

ANTENNA

ANTENNA

ANTENNA

A

AUDIO

PEAK

BON

TRANSMITTER

AUDIO

PEAKA

BON

TRANSMITTER

AUDIO

PEAKA

BON

TRANSMITTER

AUDIO

PEAKA

BON

TRANSMITTER

PEAKA

BON

TRANSMITTER

AUDIO

PEAK

BON

POWER

LOW BATT

POWER

LOW BATT

POWER

LOW BATT

POWER

LOW BATT

POWER

LOW BATT

POWER

LOW BATT

• Slide transmitter POWER switch to ON.

• Make sure battery is inserted properly (+/– battery terminals must

match transmitter terminals).

• Insert fresh battery.

• Make sure AC adapter is securely plugged into electrical outlet

and into DC input connector on rear panel of receiver.

• Make sure AC electrical outlet works and supplies proper

voltage.

• Slide transmitter MUTE switch to ON.

• Extend antennas. Receiver antennas should point away from

each other at a 45° angle from vertical.

• Move receiver away from nearby metal objects.

• Remove obstructions and maintain line of sight between

transmitter and receiver.

• Move transmitter closer to receiver.

• Increase transmitter gain until T ransmitter Audio Peak light flashes

on loud peaks.

• Turn up receiver volume control as necessary.

• Turn up receiver volume control.

• Check cable connection between receiver and amplifier or mixer.

Sound level from the
receiver is different from
that of a cabled guitar or
microphone.

Sound level is different
when you change guitars.

Distortion incr eases
gradually.

Bursts of noise, distortion, or
other radio signals interrupt
performance.

Momentary loss of sound as
transmit ter is moved around
performing area (dropouts).

ANTENNA

A

ANTENNA

A

• Adjust transmitter gain as necessary.

• Adjust receiver volume as necessary.

• Adjust transmitter gain to compensate for differences between

guitar output levels.

POWER

• Replace transmitter battery.

LOW BATT

POWER

B

LOW BATT

• If noise occurs when transmitter is turned off, remove or turn off

nearby sources of RF (such as other wireless systems, CB radios,
etc.).

• Use a wireless system that operates on a different frequency.

POWER

B

LOW BATT

• Reposition receiver and perform walk-through test. If audio

dropouts persist, mark “dead” spots and avoid them during
performance.

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SPECIFICATIONS

English

SYSTEM SPECIFICATIONS

Frequency Range:

(NOTE: Available frequen­cies depend on applicable
regulations in country where
the system is used.)

Operating Range: 100 m (approximately 300 ft.) under

Audio Frequency
Response:

Image Rejection: 75 dB typical
Spurious Rejection: 75 dB typical
System Distortion
(ref. 45 kHz deviation,

1 kHz modulation):
Signal-to-Noise Ratio: 90 dB
Maximum Recommended

Input Level, AXU1 (attenua­tion switch at –20 dB, gain
at +32 dBV):

Minimum Recommended
Input Level, AXU1 (attenu­ation switch at 0 dB, gain
at –80 dBV):

Operating Temperature
Range:
(NOTE: Battery characteris-

tics may limit range)
Transmitter Battery Life: 12 hours with 9 V alkaline battery

Approximately 596 MHz to 862 MHz

typical conditions
20 to 16,000 Hz ± 3 dB

0.1% THD typical

–110 dBm for 12 dB SINAD typical

-80 dB

7° to 38°C (45° to 100°) F

(Duracell MN1604 recommended).

BODY-PACK TRANSMITTER SPECIFICATIONS

RF Output: 15 mW Typical
Input Configuration: Unbalanced
Connector Type: 4-pin Tini QG (male)
Actual Impedance: 1 MΩ
Connector Pin Assign-

ments:

Dimensions: 82.6 mm H x 63.5 mm W x 26.2 mm

Net Weight: 125g (4.4 oz.) including battery
Power Requirements: 9 V alkaline b attery

Nominal Current Drain: 40 mA

* Gain Control at minimum
** Gain Control at maximum

Pin 1:Tied to Ground
Pin 2:Tied to +5 V
Pin 3:Tied to Audio
Pin 4:Tied to 20kΩ Resistor and
Audio Ground

D
(3.25” H x 2.50” W x 1.03” D)

(Duracell MN1604 recommended);
9 V lithium battery optional.

HAND-HELD TRANSMITTER SPECIFICATIONS

RF Output: 15 mW Typical
Dimensions: 241 mm H x 51 mm D

(9.49 in . H x 2.01 i n. D)

Net Weight: 296g (10.4 oz.)
Power Requirement: 9 V alkaline battery

(Duracell MN1604 recommended);
9 V lithium battery optional.

Nominal Current Drain: 40 mA

RECEIVER SPECIFICATIONS

Connector: 3-Pin XLR (male) 1/4” phone plug (female)
Maximum Output Levels: Line Level: +10 dBV

Nominal Output Levels: Line Level: –22 dBV

Output
Configuration:

Actual Impedance: Line Level: 5.5 kΩ

Connector Pin
Assignments:

Dimensions: 41 mm H x 197 mm W x 138 mm D (1.625 in. H x 7.77 in. W x 5.42

Net Weight: 419.6g (14.8 oz.)
Power

Requirements:
Power Supply: 120 V or 230V AC adaptor with 2.1 mm female plug
Voltage/Current/Phantom

Power Protection:

Mic Level: –22 dBV

Mic Level: –46 dBV
Active Balanced Unbalanced

Mic Level: 500 Ω
Pin 1: ground

Pin 2: hot
Pin 3: cold

in. D)

12–18 VDC nominal, 200mA

Yes Yes

+4 dBV

–26 dBV

1 kΩ

Tip: hot
Sleeve: ground

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ACCESSORIES, LICENSING AND WARRANTY

FURNISHED ACCESSORIES

Screwdriver 65A1659. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mounting Block RK329MB*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Single-Mount Tie Bar RK240SB*. . . . . . . . . . . . . . . . . . . . . . . . .

Windscreen RK242WS*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Receiver AC Adapter PS20 (120V), PS20E (230V). . . . . . . . . .

Swivel Adapter WA370A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17” Carrying Case WA605. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1/4” to 1/4” Cable (AXUGD System only) WA303. . . . . . . . . . .

1/4” to Tini QG Cable (AXUGD System only) WA302. . . . . . . .

∗ Replacements furnished in multiples of 4.

OPTIONAL ACCESSORIES

1.8 Meter (6 ft.) Receiver-Mixer Cable WA410. . . . . . . . . . . . .

Right Angle 1/4” to Tini Q–G cable WA304. . . . . . . . . . . . . . . .

Dual Tie Clip (AXULD System) RK183T2. . . . . . . . . . . . . . . . .

Miniature Instrument Microphone with

Universal Horn Clamp WM98KCS. . . . . . . . . . . . .

Rack Mount Kit URT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Rubber Receiver Feet (4) 66A8053. . . . . . . . . . . . . . . . . . . . . .

VELCRO Fastener, Hook (2) 80A8118. . . . . . . . . . . . . . . . . . . .

VELCRO Fastener, Loop (2) 80A8119. . . . . . . . . . . . . . . . . . . .

Amp/Powered Mixer Stand for AXU4 Receiver WA595. . . . . . .

Inline Audio Switch for AXU1 Transmitter WA360. . . . . . . . . . .

NOTE: For addit ional s er vice o r p ar t s i nf orm ati on, cont act S hur e’ s
Service department at 1–800–516–2525. Outside the U.S., con­tact an Authorized Shure Service Center.

CERTIFICATION

AXU1: Type Accepted under FCC Part 74. Certified by IC in

Canada under RSS–123. Conforms to European Union direc­tives, eligible to bear CE, meets requirements of European
wireless EMC standard pr ETS 300 445.

AXU258: Type Accepted under FCC Part 74. Certified by IC in

Canada under RSS–123. Conforms to European Union direc­tives, eligible to bear CE marking; meets European Union Re­quirements. ETSI Type Approval: pr I–ETS 300 442, EMC Im­munity: ETS 300 445.

AXU4: Approved under the D ecl ar ati on of C onf or mi t y provi sion of

FCC Par t 1 5. Certified b y IC in Canada u nder RSS 123 (AXU 4).
Conforms to European Union directives, eligible to bear CE
marking; meets r equir ement s of European wir elessEMC s tan­dard pr ETS 300 445. Power supply meets Low Voltage Direc­tive:73/23/EEC.

WARRANTY INFORMATION

Shure Incorporated (“Shure”) hereby warrants that these prod­ucts are free from defects in material and workmanship for a pe­riod of two years from the date of purchase for all microphone
cartridge and housing assembly parts and, for a period of one
year from date of purchase, all transmitter and receiver parts. At
its option, Shure will repair or replace the defective product and
promptly return it to you. Y ou should 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 60202-5730 U.S.A.

Customers outside the U.S.A. should ship the product to the au ­thorized Shure Distribution Center in their region.

This warranty does not apply in cases of abuse or misuse of the
product, use contrary to Shure’s instruction, or unauthorized re­pair. All implied WARRANTIES of MERCHANTABILITY or FIT­NESS FOR A PARTICULAR PURPOSE are hereby disclaimed
and Shure hereby disclaims liability for incidental, special or
consequential damages resulting from use or unavailability of
this product.

Some states do not allow limitations on how long an implied war­ranty lasts, or the exclusion or limitation of incidental or conse­quential damages, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may have
other rights which vary from state to state.

For additional microphone service or parts information, please
contact Shure’s Service department at 1–800–516–2525 or
Shure’s website at www .shure.com. Outside the United States,
please contact your Authorized Shure Service Center.

LICENSING INFORMATION

This Shure wireless transmitter is accepted under FCC Part 74
and/or Part 90.

IMPORTANT: 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 urges the user to consult the ap-

propriate telecommunications authority before choosing and or­dering frequencies.

Changes or modifications not expressly approved by Shure Inc.
could void your authority to operate this equipment.

TRADEMARK NOTIFICATION

“Tini Q-G” is a registered trademark of Switchcraft Incorporated.
“VELCRO” is a registered trademar k of Velcro Industries B.V.

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Declaration of Conformity

We of

Shure Incorporated
222 Hartrey Ave.
Evanston IL 60202–3696 U.S.A.
847–866–2200

declare under our sole responsibility that the following products,

Model: AXU4 Name: AXU4 Receiver

were tested and found to comply with Part 15 of the FCC rules.
Operation is subject to the following two conditions: (1) this de-

vice may not cause harmful interference, and (2) this device
must accept any interference received, including interference
that may cause undesired operation.

Testing was completed by the following NVLAP or A2LA accred­ited laboratory:

BZT privat CETECOM GmbH
66117 Sarbruken
Unterturkheimer StrBe 6–10
Deutschland
telephone [phone] – 9000
fax [phone] – 9075

Shure Incorporated., Manufacturer.

English

Signed:

Name, Title: Craig Kozokar, Senior Quality Engineer

Date: November 5, 1999

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