Shure UHF Wireless System User manual

! IMPORTANT SAFETY INSTRUCTIONS !

This symbol indicates that there are important

operating and maintenance instructions in the

literature accompanying this unit.

This symbol indicates that dangerous

voltage constituting a risk of electric shock

is present within this unit.

1. READ these instructions.

2. KEEP these instructions.

3. HEED all warnings.

4. FOLLOW all instructions.

5. DO NOT use this apparatus near water. DO NOT

expose the apparatus to dripping and splashing.

DO NOT put objects filled with liquids, such as

vases, on the apparatus.

6. CLEAN ONLY with a dry cloth.

7. DO NOT block any of the ventilation openings.

Install in accordance with the manufacturer’s in-

structions.

8. Do not install near any heat sources such as radia-

tors, heat registers, stoves, or other apparatus (in-

cluding amplifiers) that produce heat.

9. DO NOT defeat the safety purpose of the ground-

ing-type plug. The third prong is provided for your

safety. When the provided plug does not fit into

your outlet, consult an electrician for replacement

of the obsolete outlet.

10. PREVENT the power cord from being walked on or

pinched, especially at plugs, receptacles, and the

point of exit from the apparatus.

11. USE only attachments/accessories specified by

the manufacturer.

12. USE only with a cart, stand, tripod,

bracket, or table specified by the

manufacturer or sold with the

apparatus. When a cart is used, use

caution when moving the cart-appa-

ratus combination to avoid injury

from tip-over.

13. UNPLUG this apparatus during lightning storms or

when unused for long periods of time.

14. REFER all servicing to qualified service person-

nel. Servicing is required when the apparatus has

been damaged in any way, such as when the pow-

er-supply cord or plug has been damaged, liquid

has been spilled or objects have fallen into the ap-

paratus, the apparatus has been exposed to rain

or moisture, does not operate normally, or has

been dropped.

15. DO NOT expose the apparatus to dripping and

splashing. DO NOT put objects filled with liquids,

such as vases, on the apparatus.

WARNING: Voltages in this equipment are hazardous to life. No user-serviceable parts inside. Refer all servicing

to qualified service personnel. The safety certifications do not apply when the operating voltage is changed from the

factory setting.

27C8571 (Rev. 6)

2004, Shure Incorporated Printed in U.S.A.

ENGLISH

TABLE OF CONTENTS

SYSTEM DESCRIPTION 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYSTEM FEATURES 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYSTEM COMPONENTS 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

U1 BODY-PACK TRANSMITTER CONTROLS & INDICATORS 5. . . . . . . . . . . . . . . . . . . . . . .

U2 MICROPHONE-TRANSMITTER CONTROLS & INDICATORS 6. . . . . . . . . . . . . . . . . . . . . .

U4S & U4D RECEIVER CONTROLS & CONNECTORS 7. . . . . . . . . . . . . . . . . . . . . . . . . . . .

RECEIVER SETUP 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing Rear Mounted Receiver Antennas 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installing Front Mounted Receiver Antennas 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Basic Receiver Connections 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

VIEWING CURRENT RECEIVER SETTINGS 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PROGRAMMING THE RECEIVER 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing Receiver Group/Channel Settings 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing Receiver Frequency Setting 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing Receiver Name 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing Receiver Squelch Level Setting 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Locking the Receiver Display 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Unlocking the Receiver Display 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TRANSMITTER SETUP 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Transmitter Battery Installation 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Checking Transmitter Batteries 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Connecting a Lavalier Microphone or Instrument Cable to the

U1 Transmitter 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PROGRAMMING THE TRANSMITTER 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing Transmitter Group/Channel Settings 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Locking the Power Switch in the ON Position 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cancelling the Power On Lock Function 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Activating the Frequency Lock Function 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cancelling the Frequency Lock Function 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATING THE U1 BODY–PACK SYSTEM 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPERATING THE U2 HAND-HELD SYSTEM 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ADJUSTING TRANSMITTER AUDIO GAIN LEVEL 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ADJUSTING TRANSMITTER AUDIO INPUT LEVEL 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TIPS FOR ACHIEVING OPTIMUM PERFORMANCE 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TROUBLESHOOTING 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIFICATIONS 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LICENSING INFORMATION 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

APPENDIX: NETWORK INTERFACE PIN MAP 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ENGLISH

SYSTEM DESCRIPTION

The Shure UHF Wireless microphone system is a frequency-agile diversity sys-

tem operating in the UHF band. Both the receiver and the transmitter are synthesizer

controlled via Phase Locked Loop (PLL) circuitry for clear, steady radio frequency

(RF) signal. The receiver is available in either dual or single models that fit into a stan-

dard 19 inch (482 mm) equipment rack. An auxiliary unswitched AC output jack al-

lows multiple receivers to be linked “daisy chain” style. The optional UA830 Remote

Antenna Kits can be powered by 12 Vdc, 500 mA output provided through the anten-

na connectors. The optional UA845 Antenna Distribution Amplifier Kits allows con-

nection of multiple receivers using only two antennas.

SYSTEM FEATURES

Shure UHF Wireless Systems offer many exceptional features, including:

•Menu Driven Display. User–programmable receiver display shows Group,

Channel, Frequency, Name, Squelch level, and Locked/Unlocked status.

•Exclusive Shure MARCAD

Circuitry. MARCAD (Maximum Ratio Combining

Audio Diversity) circuitry constantly monitors signals from both receiver sections

and combines them in a single output signal. MARCAD provides superior recep-

tion and exceptional freedom from dropouts.

•Noise Squelch Circuitry. Analyzes signal quality instead of signal strength. This

virtually eliminates the possibility of annoying noise bursts coming through your

receiver.

•Dual RF Level Meters. The U4S and U4D receivers have two RF meters, one for

each antenna. The dual meters indicate received signal strength at each antenna,

and make it easier to identify and troubleshoot “dead spots”.

•Audio Metering. Each receiver includes a seven–segment audio meter that lets

you monitor audio level and helps optimize transmitter gain setting.

•Transmitter Display. Shows Group, Channel, Battery Power Level, and POWER

LOCK ON/OFF* condition. Both displays are user programmable.

•Tone Key Squelch: Eliminates unwanted noise from entering system; eliminates

popping noises when turning the transmitter on or off.

•Dual Receiver Option: Provides greater flexibility while conserving rack space.

•Preconfigured Group/Channel: Ensures frequency compatibility and simplifies

system installation.

•Network Expansion Capability. U4S and U4D receivers have a 25–pin serial con-

nector for future computer control and monitoring via an accessory interface box.

•DC/DC Converter: Ensures consistent audio and RF performance, even if bat-

tery voltages change.

* U.S. Patent No. 5,692,057.

ENGLISH

FIGURE 1

U1 U2

U4S

U4D

SYSTEM COMPONENTS (FIGURE 1)

Each Shure UHF Wireless System includes the following components:

U1 Body-Pack Transmitter with your choice of instrument cable or micro-

phone,

U2 Hand-Held Microphone-Transmitter with your choice of interchangeable

microphone heads:

•SM58cardioid dynamic microphone

•BETA 58Asupercardioid premium dynamic microphone

•SM86 cardioid condenser microphone

•SM87A supercardioid condenser microphone

•BETA 87A supercardioid or BETA 87C premium condenser microphone;

and a

U4S Single Channel Diversity Receiver with rack-mounting hardware and

antennas,

or a

U4D Dual Channel Diversity Receiver with rack-mounting hardware and an-

tennas.

ENGLISH

U1 TRANSMITTER CONTROLS & INDICATORS (FIGURE 2)

FIGURE 2

OFF

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1. Antenna: A flexible 1/4 wave whip antenna is permanently attached to the top of

the U1 body-pack transmitter. A qualified technician can replace the antenna in

the field.

2. Programmable Display: Displays group and channel, battery power level, and

frequency lock/power lock on/off status.

3. Input Connector: Provides connection with a variety of lavalier and headset mi-

crophone cables, and the Shure WA302 instrument adapter cable. LEMO–type

connectors are available as an option.

4. ON/OFF Switch: Turns transmitter power on and off.

5. On/Off LED: Glows green when the U1 is turned on.

6. Belt Clip: Allows the transmitter to be easily worn on a belt, waistband, or guitar

strap.

7. MODE Button: Selects the parameter (Group or Channel) you wish to change.

8. SET Button: Changes transmitter Group and Channel settings. Also used with

the MODE button to lock power on and to lock the frequency and channel setting.

9. Audio Gain Control: Allows audio level adjustment to accommodate a variety of

sound sources (speaking, singing, or playing an instrument). A small screwdriver

is supplied for making adjustments.

10. Battery Cover Release Tabs: Squeeze these two tabs together to release the

battery cover.

11. Battery Compartment Cover: Hinged cover on front surface opens to expose

the battery and display control keys.

12. Battery Fuel Gauge: Visually indicates battery power level.

13. Battery Compartment: Holds two 1.5V AA batteries.

ENGLISH

OFF

FIGURE 3

GAIN

U2 TRANSMITTER CONTROLS & INDICATORS (FIGURE 3)

1. Grille: Protects the microphone cartridge and helps reduce breath sounds and wind

noise. The grilles for the various microphone heads differ in appearance.

2. Programmable Display: Displays Group and Channel, battery power level, and

frequency lock/power lock on/off status.

3. Battery Fuel Gage: Visually indicates battery power level.

4. Battery Cover: Unscrews to expose batteries and display control keys.

5. ON/OFF Switch: Turns transmitter power on and off.

6. Antenna: Helical antenna is attached to the end of the U2 transmitter. A qualified

technician can replace the antenna in the field.

7. Battery Compartment: Holds two 1.5 V AA batteries.

8. MODE Button: Selects the parameter (Group or Channel) you wish to change.

9. SET Button: Changes transmitter Group and Channel settings. Also used with

the MODE button to lock power on and to lock the frequency and channel setting.

10. Audio Gain Control: Allows audio level adjustment to accommodate a variety of

sound sources (speaking, singing, or playing an instrument). A small screwdriver

is supplied for making adjustments.

ENGLISH

FIGURE 4

U4S Receiver

U4D Receiver

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U4S & U4D RECEIVER CONTROLS & CONNECTORS (FIGURE 4)

1. MENU Button: Press this button to access the main display menu.

2. SELECT Button: Press this button to choose or execute a displayed value or

function.

3. RF Level Indicators: Five LEDs per RF antenna channel glow to indicate RF sig-

nal strength. The more LEDs that glow, the stronger the received signal. If none

of these LEDs glow, no signal is being received.

4. Audio Level Indicators: These seven LEDs glow to indicate audio signal

strength. Green indicates normal operation. Amber indicates approaching over-

load condition. Red indicates excessively high audio levels. (Clipping occurs

within 4–6 dB when the red LEDs glow).

ENGLISH

5. Programmable Display: Displays group and channel number, frequency,

squelch level, system name, transmitter battery power level, and display lock on/

off status.

6. + Button: Press this button to scroll display forward.

7. – Button: Press this button to scroll display backward.

8. Audio Output Control: Adjusts receiver output level to match input level require-

ments of a mixer or amplifier. Normally, this control is set fully clockwise.

9. Headphone Monitor Volume Control: Rotate this knob to the right to increase

headphone volume; rotate it to the left to decrease headphone volume.

NOTE: If you are using a Model U4S Receiver, press the Headphone Volume

Control knob to turn the monitor on or off.

If you are using a Model U4D Receiver, press the Headphone Volume Control

knob once to select Receiver 1 or twice to select Receiver 2, depending on which

section you wish to monitor.

10. Headphone Monitor Status: These LEDs glow yellow when the headphone

monitor circuit is turned on or off.

NOTE: The Tone Key feature is present only on the receiver output. As a result,

you may hear an occasional “pop” through the headphones when the transmitter

is turned on or off.

11. Headphone Input Connector: Plug headphones into this 1/4–inch connector to

monitor receiver audio.

12. POWER On/Off Switch: Turns the receiver on and off.

13. Power Input Connector: Accepts power directly from any 90 to 230 VAC, 50/60

Hz power source.

14. Power Output Connector: Provides 90 to 230 VAC, 50/60 Hz power to additional

equipment. It can be used to link multiple receivers or to power the Shure UA840

Antenna Distribution System.

15. Antenna Input Connectors: BNC-type connectors provide connection to the

supplied antennas or to coaxial cable used with a distribution amplifier or remote

antennas.

CAUTION: To avoid damage to equipment, make sure any equipment connected

to the antenna inputs can tolerate 12 VDC power.

16. HIGH Z (Unbalanced) Output Connector: 1/4 inch phone jack provides unbal-

anced auxiliary level (high-impedance) output.

17. Mic/Line Slide Switch: Controls output of balanced XLR connector. It can be set

for microphone or line-level (microphone level = line level – 30 dB).

18. LOW Z (Balanced) Output Connector: XLR connector provides balanced low-

impedance mic level or line-level output.

19. Networking Interface: 25–pin “D” connector provides future electronic interface

to computers and other equipment via accessory interface box.

ENGLISH

RECEIVER SETUP

Installing Rear Mounted Receiver Antennas

Attach the supplied UHF antennas to the antenna BNC connectors on the receiver

back panel, as shown in Figure 5. For best performance, orient the antennas with tips

pointing away from each other at a 45°angle from vertical.

FIGURE 5

Installing Front Mounted Receiver Antennas

1. Insert the two bulkhead adapters through the larger holes on each side of the front

panel, and secure them from each side, using the supplied attaching hardware.

See Figure 6.

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RECEIVER

(TOP VIEW)

FIGURE 6

BULKHEAD

ADAPTER

BULKHEAD

ADAPTER

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