Shure U Series, U1, U2, U4S, U4D User Manual
27A8571 (RA) Printed in U.S.A.Copyright 1998, Shure Brothers Incorporated
The Sound of Professionals...Worldwide
Shure Brothers Incorporated
222 Hartrey Avenue, Evanston, Illinois 60202–3696 Phone: 847/866–2200 Fax: 847/866-2279
In Europe, Phone: 49-7131-72140 Fax: 49-7131-721414 Internationally, Phone: 847/866–2200 Fax: 847/866-2585
UHF
User ’s Guide
ENGLISH ENGLISH
TABLE OF CONTENTS
SYSTEM DESCRIPTION 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYSTEM FEATURES 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SYSTEM COMPONENTS 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
U1 BODY-PACK TRANSMITT ER CONTROLS & INDICA T ORS 6. . . . . . . . . . . . . . . . . . . . . . .
U2 MICROPHONE-TRANSMITTER CONTROLS & INDICATORS 7. . . . . . . . . . . . . . . . . . . . . .
U4S & U4D RECEIVER CONTROLS & CONNECTORS 8. . . . . . . . . . . . . . . . . . . . . . . . . . . .
RECEIVER SETUP 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Rear Mounted Receiver Antennas 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Front Mounted Receiver Antennas 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Receiver Connections 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VIEWING CURRENT RECEIVER SETTINGS 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PROGRAMMING THE RECEIVER 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Receiver Group/Channel Settings 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Receiver Frequency Setting 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Receiver Name 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Receiver Squelch Level Setting 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locking the Receiver Display 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unlocking the Receiver Display 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TRANSMITTER SETUP 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Transmitter Battery Installation 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking Transmitter Batteries 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Connecting a Lavalier Microphone or Instrument Cable to the
U1 Transmitter 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PROGRAMMING THE TRANSMITTER 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing Transmitter Group/Channel Settings 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Locking the Power Switch in the ON Position 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cancelling the Power On Lock Function 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Activating the Frequency Lock Function 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cancelling the Frequency Lock Function 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPERATING THE U1 BODY–PACK SYSTEM 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OPERATING THE U2 HAND-HELD SYSTEM 29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING TRANSMITTER AUDIO GAIN LEVEL 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADJUSTING TRANSMITTER AUDIO INPUT LEVEL 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIPS FOR ACHIEVING OPTIMUM PERFORMANCE 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING 32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SPECIFICATIONS 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
LICENSING INFORMATION 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
APPENDIX: NETWORK INTERFACE PIN MAP 34. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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SYSTEM DESCRIPTION
The Shure UHF Wireless microphone system is a frequency-agile diversity system 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 standard 19 inch (482 mm) equipment rack. An auxiliary unswitched AC output jack allows 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 antenna connectors. The optional UA840 Antenna Distribution Amplifier Kits allows connection of multiple receivers using only two antennas.
SYSTEM FEATURES
Shure UHF Wireless Systems offer many exceptional features, including:
• Frequenc y Ag ility. The operating frequency of transmitters and receivers can be
easily switched to any setting in the UHF range. Settings are available in pre-programmed incremental steps that allow for necessary channel separation.
• 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 reception 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.
• Transmitter Battery Power Meters: Meters on the transmitter and the RECEIV-
ER MONITOR TRANSMITTER BATTERY POWER LEVEL from the receiver as
well as from the transmitter.
• 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.
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 microphone,
or
U2 Hand-Held Microphone-Transmitter with your choice of interchangeable
microphone heads:
• SM58 cardioid dynamic microphone
• BETA 58At supercardioid premium dynamic microphone
• SM87 supercardioid condenser microphone
• BETA 87
supercardioid premium condenser microphone;
and a
U4S Single Channel Diversity Receiver with rack-mounting hardware and
antennas,
or a
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12
13
11
10
ON
FIGURE 2
541
6
9
7
2
OFF
1
3
8
U4D Dual Channel Diversity Receiver with rack-mounting hardware and antennas.
U1 TRANSMITTER CONTROLS & INDICATORS (FIGURE 2)
1. Antenna: A flexible 1/4 wave whip antenna is permanently attached to the top of
the U1 body-pack transmitter. The antenna can be replaced in the field by a qualified technician.
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 microphone 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: Contains two 1.5V AA batteries (Duracell MN1500 recommended).
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7
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10
ON
OFF
FIGURE 3
5
1
8
5
4
GAIN
2
9
6
3
7
U2 TRANSMITT ER 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. The antenna can be replaced in the field by a qualified technician.
7. Battery Compartment: Contains two 1.5 V AA batteries (Duracell MN1500 recommended).
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.
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14
7
1
23
5
6
8910
11
12
FIGURE 4
4
18
13
16
17
15
19
U4S Receiver
5
15
14
18
13
16
17
17 181619 15
7
1
23
5
6
8
91011
12
4
7
1
23 6 8
4
U4D Receiver
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 signal 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 overload condition. Red indicates excessively high audio levels. (Clipping occurs
within 4–6 dB when the red LEDs glow).
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 requirements 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: T o 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 unbalanced 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 lowimpedance 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.
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