O W ner ’ S M anU al
UWS
-
100
100-Channel Select UHF Wireless System
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Contents
System Features
Introduction ............................................................................................................................. 2
Using this Manual.................................................................................................................... 2
System Features ..................................................................................................................... 3
Quick User Controls Guide...................................................................................................... 4
System Operation
• UHT-100 Handheld Mic Transmitter
UWS-100 System
• Off/On/Mute power switch allows
convenient audio muting with the
transmitter on
• Unsurpassed state-of-the-art PLL UHF
performance with 120dB dynamic range
and operation, up to 500 ft. (line-of-sight)
• RF power HI/LO and TX power lock
On/Off switches
• DigiTRU Diversity™ for maximum range
and dropout protection
• LCD display indicates Power/Battery Level
status and Channel selected
• 100 UHF frequencies per band. Clear
channels user selectable manually or with
Autoscan for quick, convenient set up,
with selected channel stored in memory
for subsequent use.
UWS-100 Receiver.............................................................................................................. 8
UHT-100 Handheld Microphone Transmitter......................................................................10
UBT-100 Bodypack Microphone/Instrument Transmitter...................................................11
Cautions and Troubleshooting................................................................................................14
Miscellaneous Tips.................................................................................................................15
Specifications .........................................................................................................................16
Frequency Plan.......................................................................................................................17
Optional Accessories..............................................................................................................17
Service Information ................................................................................................................17
Warranty.................................................................................................................................18
• Convenient, economical operation with
two AA alkaline or NiMH batteries
• Features the Nady DM-10D unidirectional
neodymium dynamic cartridge for optimal
true sound, maximum feedback rejection
and minimal handling noise
• ASC™ (Auto-Sync Channels) download
feature sends selected Channel
information to transmitter via IR sender for
easy frequency synchronization
• Sleek housing with internal antenna for
durable long life and optimum aesthetics
• Sophisticated IF filtering for optimal
simultaneous operation of multiple
systems in the same location
• Rubber-feel finish for sure grip
• Front panel touch control buttons for ease
of channel selection and ASC™ operation
UBT-100 Bodypack Transmitter
• Off/On/Mute power switch allows
convenient audio muting with the
transmitter on
• Dual front panel permanently attached
swivel antennas
• Full front panel LED indicators including
A/B diversity, Channel selected, ASC™
transfer status, and bi-color (green/red)
AF level
• LCD display indicates Power/Battery Level
status and Group/Channel selected
Introduction
• Convenient, economical operation with
two AA alkaline or NiMH batteries
Thank you for choosing the Nady UWS-100 wireless system, and congratulations on
your choice. The UWS-100 has the best performance and price value in professional
UHF wireless, offering clear-channel, frequency-agile operation on the UHF band for
interference-free performance in any application or locale. The UWS-100 delivers 100
user-selectable channels, frequency synthesized in 00-99 channels in the US frequency
band 667MHz-697MHz. The built-in Autoscan feature offers a quick and convenient way
to select an open channel for single system use or to set up many wireless systems at the
same location for simultaneous multichannel operation. The UWS-100 features proprietary
companding and low-noise circuitry for an industry-best 120dB dynamic range, and the
clearest, most natural sound available in wireless today
• Back panel On/Off switch, balanced XLR
fixed Mic Level and adjustable unbalanced
¼” jack audio Line Level outputs; squelch
(RF mute) adjust; DC input jack; volume
control for ease of operation
• Easily accessible input level adjustment
(HM/LT)
• Compact housing, durable removable
antenna and unique locking 3.5mm mini
plug connector for mic or instrument cable
• Externally powered with included DC
adapter (15 VDC 400 mA)
• Rugged all-metal receiver for long-term
durability
• Choice of transmitters: UHT-100 handheld
mic or UBT-100 bodypack—lavalier (LT),
Headmic™ (HM), or instrument (GT)
Using This Manual
• Optional RMT-1KUD available for
rackmounting single or dual UWS-100
receivers
This booklet provides instructions for the operation of the UWS-100 and includes a
description of features, a quick user controls guide, a step-by-step guide to operations for
each unit, system specifications, a troubleshooting guide, miscellaneous tips, and servicing
information.
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1. DUAL ANTENNAS Permanently mounted.
Rotate to 45° as shown for optimal reception
2. SELECT BUTTON Press once quickly to start
the Auto Scan function to search for an
interference-free channel. Press and hold
for ~2 seconds to manually select one of
100 channels
8. DC INPUT JACK For connecting external AC/DC
adapter to power receiver (DC15VDC/400mA)
9. POWER ROCKER SWITCH Press right side to turn
On or press left side to turn Off receiver. The
Channel Display (3) is lit when the unit is on
10. BALANCED MIC OUT XLR JACK Audio output at
fixed MIC level
Quick User Controls Guide
UWS-100 receiver: Front View
3. CHANNEL DISPLAY LED indicator displays the
selected channel from 00-99 in numerical
format
11. UNBALANCED LINE OUT ¼” JACK Line level
audio output, adjustable with Volume control
12. VOLUME CONTROL Selects desired output
volume level for the Unbalanced Line Out
13. MUTE LEVEL (RF SQUELCH) Controls the mute
level for the receiver. Turn clockwise for
maximum range or turn counterclockwise,
if needed, to minimize noises from outside
RF interference upon muting
1
4. AF LED INDICATOR Bi-color LED (green/orange)
displays received audio level (orange indicates
maximum allowable audio level)
5. RF A/B LED INDICATORS Indicate diversity A or B
antenna reception when transmitter is on
6. IR WINDOW Transmits LED Infrared signal
for linking the receiver to the transmitter for
frequency downloads, with blinking IR LED
status indicator
14. DC POWER SUPPLY ADAPTER DC15VDC/400mA
UWS-100
UHF PLL WIRELESS SYSTEM
igiTRU Diversity™
A
7. ASC™ SYNC BUTTON Starts the IR link
download of the receiver’s selected channel
to the transmitter. Position the transmitter IR
receptor window 6-12” away from the receiver
IR window, press the ASC button once and
wait one second for the receiver to respond.
The red LED inside the IR window will flash
twice within two seconds. If the IR data
download is successful, the transmitter LCD
display’s backlight will light and the receiver’s
RF A/B LED will also light, indicating reception
of the receiver signal from the transmitter
ASC™ SYSTEM
AF
RF
A
B
B
SELECT CHA NNEL
IR
ASC
2
3
4
5
6
7
UWS-100 receiver: Back View
POWER
15VDC IN
400mA
LINE OUT
UNBALANCED
VOLUME MUTE LEVEL
–
+
MIN MAX
MIC OUT
BALA NCED
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9
10
11
12 13
14
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5
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Quick User Controls Guide
Quick User Controls Guide
UHT-100 Handheld Transmitter: Front and Back
UB-100 Bodypack Transmitter
40
41
42
24
15
16 17 18
25
26
16A
16B
16C
19
T
L O B A
O F
N O
F
Y
S T D B
20
21
27A
27B
27
29
UBT-100
28
IR
22
ASC™ SYSTEM
23
30
31
15. MIC BALL Windscreen
19. BATTERY COMPARTMENT Holds two AA alkaline
or NiMH batteries—observe correct polarity
20. TRANSMITTER LOCK SWITCH Slide the switch
to ON to lock the TX, or OFF to unlock the
TX. (IR channel programming still functions
normally)
24. ANTENNA Removable antenna—should be
attached during operation
29. IR RECEPTOR SENSOR Infrared LED sensor for
linking the transmitter to the receiver during
IR frequency download
16A. LCD DISPLAY: CHANNEL Indicates channel
(00-99)
25. OFF/STDBY/ON SWITCH Slide power switch to
ON or OFF to turn on/off. Set to STDBY to
turn power on with audio muted
30. LATCHING BATTERY COMPARTMENT DOOR
Slide open to insert batteries
16B. LCD DISPLAY: BATTERY Indicates battery status
from one (weakest) to five (strongest) bars.
Flashing “BATT” indicates low battery
16C. LCD DISPLAY: TX LOCK KEY Indicates Power
On/Off switch is locked (see #20)
26. INPUT JACK Locking 3.5mm mini-jack for
connecting audio input cord from lapel mic (LT),
Headmic™ (LT/HM), or instrument (GT) cable
27A. LCD DISPLAY: CHANNEL Indicates channel
(00-99)
31. BATTERY COMPARTMENT Holds two AA alkaline
or NiMH batteries
21. RF POWER HI/LO Slide the switch to HI for
more RF output, or LOW for less RF output—
consumes less battery power in this setting
and also better for simultaneous multichannel
operation applications
37. INPUT VOLUME LEVEL (On back of unit) Adjusts
input (LT/HM) audio level for optimal sound
40. INSTRUMENT CORD GT cable—connects
Instrument’s audio output to TX input jack
41. HEADMIC™ Headworn microphone—connects
to transmitter input jack
17. IR RECEPTOR SENSOR/WINDOW Infrared LED
sensor for linking the transmitter microphone
to the receiver during IR frequency downloads
18. OFF/STBY/ON Slide power switch to ON or OFF
to turn mic on/off, or to STBY to turn on power
with audio muted
27B. LCD DISPLAY: BATTERY Indicates battery status
from one (weakest) to five (strongest) bars
and flashing “BATT” for low battery
28. BELT CLIP On back of unit
22. INTERNAL ANTENNA For best operating range,
do not handle this antenna during use
23. BATTERY COVER Slide open battery slot to
insert batteries
42. LAVALIER MIC Lavalier (lapel) microphone—
connects to transmitter input jack
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System Operation
UWS-100 receiver
Press the Select button for one second
to start the 100 channel (00-99) Autoscan
for open frequencies. A running bar in a
clockwise direction shows the scanning
process which normally takes ten seconds.
When it finds an interference-free channel,
it will stop and store the channel for use.
Instructions for Setup of Simultaneous
Multichannel Operation
The UWS-100 receiver is capable of
finding an open channel with its Autoscan
capability. This built-in feature is a
quick, convenient way to set up many
wireless systems at the same location for
simultaneous multichannel operation.
adjusting the Squelch
The MUTe leVel/rF SQUelCH (13) controls
the mute circuits in the receiver. The
powering the receiver
control should be adjusted clockwise to
the minimum RF squelch setting at which
the rF a/B leD (5) will remain on while your
transmitter is in normal use, up to the
maximum operating range anticipated in
use for your application. However, in areas
of high RF activity, the squelch control may
need to be adjusted counterclockwise. If
the transmitter is off and the receiver signal
diversity A or B LED indicator flickers or
stays on continuously, the squelch should
be adjusted counterclockwise to a higher
level to stop the flickering. Be careful
not to select too high a counterclockwise
setting as this may reduce the operating
range to below what is needed. A range
walk test will help in selecting the proper
level. If the range is not critical, note that
a counterclockwise (maximum squelch)
setting will also yield a quieter mute
To power the receiver, plug the provided
DC pOWer SUpply UnIT (14) adapter into the
DC InpUT JaCK (8) on the back of the receiver,
then plug the adapter into a 120VAC outlet.
If manual channel selection is preferred,
press and hold the Select button for at
least two seconds to start programming to
a desired channel. The right digit will flash
for five seconds. Select the desired digit
by briefly pressing the Select button to
scroll though choices 0-9 until the desired
number is displayed. Then, to switch
between the right and left digits, press and
hold the Select button for two seconds.
As with the right digit, briefly pressing the
Select button again will advance the left
digit displayed to the next higher number
0 to 9. This completes the manual channel
programming.
Note: Any 15-18VDC source with minimum
400mA capacity can also be used.
If you are using multiple transmitters at the
same location, set up the first transmitter
and leave it ON and keep 10 feet away
from the receivers and 1 foot away from
transmitter to transmitter. This avoids
possible duplicate selection of the same
channel as already selected for the first
receiver. Then start the Autoscan function
on the second UWS-100 receiver. Repeat
this procedure for all receivers/transmitters
to be used in your system. Finally with all
the transmitters ON, perform a range walk
test in the location these systems will be
used in to check for potential crosstalk
interference in this application.
The pOWer rOCKer SWITCH (9) is used
to turn the receiver on or off. To turn on,
press down the right side of the switch
(“I”). The leD DISplay (3) will light, showing
Channel 00-99. The aF leD (4) and rF a/B
leDs (5) remain dark. They will display the
received RF A/B and audio level when
the transmitter is activated and audio
transmitted. To turn off, press down the
left side of the switch (“O”). The receiver
will turn off. All the LEDs will be turned off,
indicating the receiver is off. At power off
the UWS-100 receiver will store the last
selected channel and re-display them at
power on. It can be reprogrammed to any
new channel. The default factory setting is
Channel 14.
Note: If the Select button is not pressed within the
five seconds flashing period during either the right
or left digit selection, the program is terminated
and the process needs to be repeated.
function, which might be desired in certain
applications. The squelch level is factory
preset at maximum sensitivity and operating
range (i.e. clockwise for minimum squelch
level—maximum usable range).
If you are not satisfied with any of the
The aSC SynC BUTTOn (7) is used to transfer channels scanned, repeat the Autoscan
the selected channel info from the receiver
to the transmitter for easy synchronization
prior to use. Briefly press the ASC Sync
button to start the transfer. A red LED inside
the Ir leD (6) window will flash twice quickly
within two seconds. This LED indicates
IR transmission is in progress. If needed,
press the ASC Sync button again, to restart
synchronization. When the synchronization
is completed successfully, either the
diversity rF a or B leD (5) on the receiver
will light up.
procedure for that receiver again anytime for
finding another free channel.
Note: For easier intuitive operation, the MIN
and MAX indications for this control refer to the
minimum and maximum operating range settings,
not to the actual mute levels selected, which are
the opposite as per above.
rackmounting receivers
audio level and peak leD Indicator
A single or dual UWS-100 receivers can be
rackmounted with the optional RMT-1KUD
rack tray.
The UWS-100 receiver has a bi-color
aF leD (4) that lights up green indicating
normal level audio signal from the
transmitter. Occasional flickering of the
AF LED as orange (peak level) on loud inputs
to the transmitter is normal. If the LED lights
orange continuously, decrease the input
audio level to the transmitter or overload
distortion may result.
adjusting antennas
Selecting the UWS-100
receiver Channel
See RF Interference and Finding Open
Channels in the Cautions and Troubleshooting
section. This section will also aid in finding
desired channel(s) of operation when setting
up your system(s).
The UWS-100 has two permanently
attached, flexible elbow anTennaS (1)
for diversity reception. Unfold and rotate
these antennas to operate the receiver.
The optimal positions of the antennas are
flared 45° out from the receiver sides and
90° from each other. For maximum range,
it is always best to maintain a line-of-sight
(no obstructions) between the receiver
antennas and the transmitter at all times
whenever possible.
To program the preselected channel into
the transmitter, place the transmitter’s
Ir reCepTOr SenSOr WInDOW (17, 29)
6-12” away from the receiver’s Ir WInDOW
(6). Press the aSC SynC BUTTOn (7) once to
start programming. (See Programming the
UHT/UBT-100 Transmitters to the Selected
Channel in the following section.)
Connecting the audio Output
The SeleCT BUTTOn (2) has two functions.
A short press (~1 second) scans for a clear
channel and a long press (> 2 seconds)
manually programs a desired channel.
The UWS-100 audio output is set up for
either adjustable level ¼” UnBalanCeD
lIne OUT (11) or fixed level XLR BalanCeD
MIC OUT (10). The ¼” unbalanced line out
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is controlled by the VOlUMe COnTrOl (12).
simultaneous multichannel operation.
Select the level for your application
accordingly. A range walk test will
determine if the LO setting is adequate.
Ir Sync programming
UHT-100 Handheld
Microphone Transmitter
Use the wireless Ir reCepTOr SenSOr
WInDOW (17) infrared LED to download
pre-programmed channels from the receiver.
For unbalanced line output connection, plug
an audio cable with a ¼” mono (Tip/Sleeve)
plug into the Unbalanced Line Out jack and
plug the other end into your mixing board
or amplifier. Adjusting the Volume control
will increase or decrease the audio level at
the ¼” Unbalanced Line Out only. When
using the UBT-100 instrument transmitter
system, connect the Unbalanced Line Out
directly to your instrument amp or preamp.
At maximum receiver volume setting, the
system output is approximately +4dB higher
than a direct cord-to-amp connection.
Setting up the Transmitter
The UHT-100 requires two AA alkaline or
NiMH batteries to operate (do not mix
Start programming by holding the IR
receptor sensor/window about 6-12”
from the front of the receiver, then press
the aSC SynC BUTTOn (7) briefly on the
receiver. The red LED inside the receiver’s
Ir WInDOW (6) will flash twice quickly
within two seconds. This LED indicates IR
transmission is in progress. If necessary, the
ASC transfer can be repeated by pressing
the ASC Sync button again. When the
synchronization is completed successfully,
either the rF a Or B leD (5) on the receiver
will light up. Upon successful data transfer
(usually in less than two seconds) the
transmitter’s backlight will light up and the
transmitter will transmit a radio signal on the
same channel as the receiver. The diversity
RF A/B LED indicator on the receiver will
then light up, indicating that the IR linking
is completed. The lCD DISplay (16) will
show the matching channel as receiver.
If no action is taken during the two seconds
of active IR data transfer, the receiver and
the transmitter units do not link and the
transmitter’s previous program channel
remains unchanged.
powering the Transmitter On/Off
To turn on the transmitter, slide the
OFF/STBy/On pOWer SWITCH (18) to the
middle standby position. The lCD BaCKlIgHT
(16) will light up, indicating the unit is now
on. After five seconds the backlight will
automatically turn off to conserve battery
life. The lCD DISplay (16) indicator icons
stay on for normal operation.
types). To install the batteries, press at the
“Open” end of the BaTTery COVer (23) and
slide down per the arrow indicator, exposing
the BaTTery COMparTMenT (19). Insert two
fresh AA batteries according to the polarity
indicated on the transmitter body. Slide the
battery cover back onto the microphone,
making sure it is secure. Fresh alkaline
batteries can provide up to 8-10 hours of
operation, but in order to ensure optimal
performance it is recommended that the
batteries be replaced after 6-8 hours of use
or as indicated necessary by the flashing
BaTT ICOn (16B). The transmitter has a built-in
InTernal anTenna (22). For best operating
range, do not handle this antenna during use.
For XLR Balanced Mic Output connection,
plug an audio cable with an XLR connector
into the XLR BalanCeD MIC OUT (10) socket
and plug the other end into your mixing
board or amplifier and control the audio
levels from there.
As many of the five LCD display BaTTery
leVel BarS (16B) should stay lit as possible,
indicating usable battery strength. As
the batteries weaken, fewer of the level
indicators will stay lit until only one bar
shows, which will then flash “BATT” to
warn that the batteries are now too low
and should be replaced as soon as possible
with fresh ones.
Both the ¼” Unbalanced Line Out and the
XLR Balanced Mic Out can be used at the
same time to connect to your mixing board,
effect, or amplifier.
The UHT-100 handheld transmitter has two
small switches under the battery cover;
the TranSMITTer lOCK SWITCH (20) and the
rF HI/lO pOWer SWITCH (21). To access these
two switches, slide down and remove the
cover. These switches have ON and OFF
positions and function as follows:
To preserve battery life, turn the transmitter
off when not in use. To turn the transmitter
off, check that the TranSMITTer lOCK
SWITCH (20) is in OFF position with the Key
ICOn (16C) not showing on the lCD DISplay
(16). Then slide the power On/Off switch to
the OFF position. The LCD or backlight are
not lit up, indicating the unit is off.
Note: As when making any connection, make sure
the amplifier or mixing board volume is at the
minimum level before plugging in the receiver
to avoid possible sound system damage.
Note: Only one transmitter can be used with one
receiver. It is not possible to use two transmitters
on the same frequency and mix the output of
these transmitters into one wireless receiver.
For normal operation, the transmitter
should have the same channel as displayed
on the receiver. The transmitter is now
ready for use.
When the transmitter lock switch is in the
OFF position, the Key ICOn (16C) does not
appear on the lCD DISplay (16). To prevent
the possibility of accidentally turning off
the transmitter during use, switch it to the
ON position. The key icon will appear on the
LCD display and the transmitter OFF/STBY/
ON switch will be disabled. The standby and
IR channel programming will still function
normally.
At power off the transmitter will store the
last settings entered and re-display them
at the next power on. The default factory
setting is Channel 14.
Your UWS-100 receiver is now operational
and ready to use. Proceed to the following
instructions for the UHT-100 handheld
microphone transmitter or UBT-100
bodypack transmitter included with
your system.
Note: The IR link is infrared light and thus works
best when this data transfer is accomplished in a
light-shielded or darker environment. It may not
be successful in a brightly lit area. If the transfer
fails, repeat the procedure in a darker location
or somehow shield the link from outside light to
successfully program the transmitter with the
pre-programmed group and channel info from
the receiver.
programming the UHT-100
to the Selected Channel
The transmitter must be programmed to
the same frequency as selected for the
receiver via automatic synchronization using
the IR ASC™ Sync function. It can not be
programmed on the transmitter itself.
The RF HI/LO power switch can be set
either in HI (more RF output) or in LO
(less RF output). The LO setting will prolong
battery life and is also recommended for
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or somehow shield the link from outside light to
successfully program the transmitter with the
pre-programmed group and channel info from
the receiver.
batteries according to the correct polarity as
indicated on the transmitter body. Slide the
battery compartment door back onto the
transmitter, making sure it is secure. Fresh
alkaline batteries can provide up to 8-10
hours of operation, but in order to ensure
optimal performance it is recommended
that the batteries be replaced after
6-8 hours of use or as indicated to be
necessary by the flashing “BATT” icon.
The transmitter has a removable anTenna
(24) but it should be attached (screwed
on tightly counterclockwise). For best
transmitting power during use, make
sure it is not blocked. A walk test before
use will determine the operating range in
your application.
Operating the UHT-100
Handheld Transmitter
programming the UBT-100
to the Selected Channel
The transmitter must be programmed to the
same frequency as selected for the receiver
via automatic synchronization using the IR
Sync function. It cannot be programmed on
the transmitter itself.
The OFF/STBy/On pOWer SWITCH (18) has
three positions and functions both as a
power On/Off and as an audio mute On/
Standby switch. During normal operation
with the unit powered on standby, slide
the OFF/STBY/ON power switch to the ON
position. You will feel a slight click indicating
the ON position is selected. The receiver’s
rF a/B leD (5) diversity indicators should now
be on, indicating a received signal from the
transmitter.
Connecting Input audio Source
Lapel/Head Mic Uses (UBT-100 LT/HM)
The mini 3.5mm locking InpUT JaCK (26)
is for connecting the audio input from a
lavalier/lapel mic (LT), a Headmic™ (HM),
or an instrument (GT) cable, depending on
which transmitter version is being used.
Secure the connection to the cable by
tightening the cable mini plug’s outer ring
counterclockwise.
IR Sync Programming:
Use the wireless Ir reCepTOr SenSOr
WInDOW (29) infrared LED to download
pre-programmed channels from the receiver.
Start programming by holding the IR receptor
sensor/window about 6-12” in front of the
receiver, then press the aSC SynC BUTTOn
(7) briefly on the receiver. The red LED
inside the receiver Ir WInDOW (6) will flash
twice quickly within two seconds. This LED
indicates IR transmission is in progress. If
necessary, the ASC transfer can be repeated
by pressing the ASC Sync button again.
When the synchronization is completed
successfully, either the rF a or B leD (5) on
the receiver will light up. Upon successful
data transfer (usually in less than two
seconds) the transmitter’s backlight will light
up and the transmitter will transmit a radio
signal on the same channel as the receiver.
The diversity RF A or B LED indicator on the
receiver will then light up, indicating that the
IR link is completed. The lCD DISplay (27)
will show the matching channel as receiver.
If no action is taken during the two seconds
of active IR data transfer, the receiver and
the transmitter units do not link and the
transmitter’s previous program channel
remains unchanged.
After the unit is powered on, slide the
power switch to the ON position to un-
mute the audio or to STBY to mute the
audio. Set the power switch accordingly
and the microphone is now ready to use.
The receiver’s diversity RF A or B LED
indicator should now be on, indicating a
received signal from the transmitter.
Instrument Use (UBT-100 GT)
powering the Transmitter On/Off
Secure the connection of the GT
To turn on the transmitter, slide the OFF/
STBy/On pOWer SWITCH (32) to the standby
position. The LCD backlight will light up,
indicating the unit is now on. After five
seconds the backlight will automatically
turn off to conserve battery life. The
lCD DISplay (27) indicator icons stay on
for normal operation.
(instrument) cable by tightening the
mini-plug outer ring counterclockwise
onto the 3.5mm locking InpUT JaCK (26).
When ready to play, slide the OFF/STBy/
On pOWer SWITCH (25) to the ON position
to un-mute the audio. Adjust the volume
on the receiver for one-to-one unity gain
with a hardwired cord or select up to an
added 4-5dB boost by adjusting the receiver
volume to maximum for normal use with
guitars and bass guitars.
When ready to transmit audio, slide the
power switch to ON to un-mute. To mute,
slide the power switch to STBY again.
Adjust the volume of the receiver per the
previous section, Connecting the Audio
Output.
As many of the five LCD display BaTTery
leVel BarS (27B) should stay lit as possible,
indicating usable battery strength. As the
batteries weaken, fewer of the level
indicators will stay lit until only one bar
shows, which will then flash “BATT” to
warn that the batteries are now too low
and should be replaced as soon as possible
with fresh ones.
Note: Avoid acoustic feedback (howling or
screeching) by taking care in selecting PA volume,
transmitter location and speaker placement.
Note: The audio level should be adjusted on the
instrument as when using a hard-wired cord.
UBT-100 Bodypack Transmitter
(lT, HM or gT)
Operating the UBT-100
Bodypack Transmitter
The OFF/STBy/On pOWer SWITCH (25) has
three positions and functions both as a
power On/Off and as an audio mute On/
Standby switch. During normal operation
with the unit set to Standby, slide the switch
to the ON position. The receiver’s rF a/B
leD (5) diversity indicators should now be
on, indicating a received signal from the
transmitter.
To preserve battery life, turn the transmitter
off when not in use. To turn the transmitter
off, slide the power On/Off switch to the off
position. No LCD or backlight is lit up and
the unit will be off.
Setting up the Transmitter
For normal operation, the transmitter should
have the same channel as displayed on the
receiver. The transmitter is now ready for use.
The UBT-100 bodypack requires two
alkaline or NiMH AA batteries to operate
(do not mix types). To install the batteries
into the battery compartment, press at
the arrow end and slide down and remove
the laTCHIng BaTTery COMparTMenT
DOOr (30), exposing the BaTTery
Note: The IR link is infrared light and thus works
best when this data transfer is accomplished in a
light-shielded or darker environment. It may not
be successful in a brightly lit area. If the transfer
fails, repeat the procedure in a darker location
At power off the transmitter will store the
last settings entered and re-display them
at the next power on. The default factory
setting is Channel 14.
COMparTMenT (31). Insert two fresh AA
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If you encounter slight receiving interference
when the transmitter is far from the receiver
(from other than an operating TV station
on the same frequency), it can often be
overcome by adjusting the receiver‘s
MUTe leVel/SQUelCH (16)—see Adjusting
the Squelch. If receiving interference on
a selected channel with the transmitter
off, you must reprogram the receiver and
transmitter to a different channel.
After the unit is powered on, slide the power slide the power switch to STBY again. Adjust
switch to the ON position to un-mute the
audio or to STBY to mute the audio. Set the
power switch accordingly and the transmitter
is now ready to use. The receiver’s RF A/B
LED indicator should now be on, indicating a
received signal from the transmitter.
the volume of the receiver per the previous
section, Connecting the Audio Output.
Note: Avoid acoustic feedback (howling or
screeching) by taking care in selecting PA volume,
transmitter location and speaker placement.
When ready to transmit audio, slide the
power switch to ON to un-mute. To mute,
To reprogram, you must first find an open
channel. To do this, follow the procedure
outlined in Selecting the UWS-100 Receiver
Channel. With the associated transmitter
off, scroll through the channels to find one
that shows no received signal (not lit) on
the receiver’s rF a/B leDs (5). Also, neither
of these LEDs should be lit on each of the
three immediately adjacent channels both
above and below the selected channel for
optimal interference-free operation (i.e. in a
field of seven total adjacent channels—with
the channel used in the middle).
Cautions and Troubleshooting
thus are also more prone to feedback than
close-source mics.
Feedback
Avoid acoustic feedback (howling or
screeching) by taking care in selecting
PA volume, transmitter location and
speaker placement.
no or low audio
If you are not getting audio through the
system, carefully re-check all setups.
Especially note that the receiver and
transmitter must be set to operate on
the same RF channel. Also confirm that
the transmitter’s pOWer OFF/STBy/On
SWITCH (18, 25) is not in the STBY position.
The receiver’s UnBalanCeD lIne OUT (11)
is adjustable so make sure the VOlUMe
COnTrOl (12) is set properly.
Please also note the pickup pattern
characteristics of the microphone selected.
Unidirectional microphones are more
resistant to feedback. However, they pick
up sound sources best that are directly in
front of the microphone. Also, mics that are
farther from the sound source (such as a
handheld) require more acoustic gain and
If operating multiple UWS-100 Series
systems simultaneously, repeat this
procedure with every new channel being
selected, with previously tuned systems all
on, both transmitters and receivers. See
“Instructions for Setup of Simultaneous
Multichannel Operation “
Also see:
Selecting the UWS-100 Receiver Channel
rF Interference and Finding Open Channels
The FCC mandates the following information be provided to all end users of this equipment:
Programming the UH-100 to the
Selected Channel
Programming the UB-100 to the
Selected Channel
Consumer alert
Most users do not need a license to operate this wireless microphone system. Nevertheless,
operating this microphone system without a license is subject to certain restrictions: the system
may not cause harmful interference; it must operate at a low power level (not in excess of 50mW);
and it has no protection from interference received from any other device. Purchasers should also
be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules
are subject to change.
Please note that wireless frequencies are shared
with other radio services. According to FCC
regulations, wireless microphone operations are
unprotected from interference from other licensed
operations in the band. If any interference is
received by any Government or non-government
operation, the wireless microphone must cease
operation or change frequencies. The above
statement is valid only for use in the U.S.A.
For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC)
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• If rackmounting the receiver, keep away
from heat sources such as amps by
allowing enough space between them for
adequate ventilation.
Miscellaneous Tips
Specifications
• The receiver antennas should be kept
away from any metal surfaces whenever
possible as they can reflect away or shield
the incoming RF signal.
OVerall SySTeM perFOrManCe
Operating Frequency range
Freq. Synthesized
pll system frequency stability
Frequency response
Dynamic range
Harmonic Distortion
Modulation
Operating range
667.0MHz-696.7MHz (U.S.)
(100 channels switchable) 300kHz/step
<0.005%
50Hz-18kHz +/-3dB
120dB
• For the best operation, the receiver should
be placed at least 3 ft. (1 m) above the
ground and 3 ft. (1 m) away from a wall or
metal surface. The transmitter should also
be at least 3 ft. (1 m) from the receiver.
Keep antennas away from noise sources
such as motors, automobiles, neon lights,
signal processors, computers, as well as
large metal objects.
• If the receiver’s volume control is set
too high, it may overdrive the input
of the attached audio mixer, causing
distortion. Conversely, if the output is set
too low, the overall signal-to-noise ratio
of the system may be reduced, causing
noticeable hiss. If such noise occurs,
adjust the output level of the receiver so
that highest sound pressure level going
into the microphone transmitter causes
no input overload in the mixer, but permits
the mixer level control to operate in the
normal range (not too high and not too
low). This provides the optimal signal-to-
noise for the entire system.
<0.5%
FM (F3E) +/-25kHz normal, +/-75kHz max
150-250 feet typical, 500+feet max line-of-sight
UWS-100 reCeIVer
receiver System
Dual conversion Super Heterodyne with Digi-True Diversity
(dual antennas with optimum reception selected)
60dB, normal +/-75kHz offset
-70dB, minimum
-107dBm, normal
65dB, normal
Adjustable ( -65dBm to -95dBm)
SELECT/AUTOSCAN, ASC Sync buttons, Power ON/OFF Rocker
Switch, MUTE level pot, VOLUME line level pot
Two Digits LED panel indicating selected Channel; RF A or B diversity
LED indicator; AF/Peak audio bi-color LED indicator
LINE OUT UNBALANCED: adjustable line audio output
MIC OUT BALANCED: fixed mic level audio output
Unbalanced: 1k Ω and Balanced: for 600 Ω loads
15VDC/0.4A
Selectivity
Image rejection
Sensitivity
Spurious rejection
Mute Threshold
Controls
• A receiver cannot receive signals from
two or more transmitters simultaneously.
• Turn the transmitter off when it is not
in use. For longest life, remove the
batteries if the unit is not to be used for
a long period as the transmitters draw
a tiny residual current to maintain the
programmed settings, even when turned
off. Also, since batteries installed for a
long time can sometimes corrode and/
or leak, causing damage, it is generally
recommended that batteries be removed
whenever the transmitters are not being
used.
leD Display
audio Outputs
Output Impedance
power requirement
antennas
Dimensions
Weight
• Before inserting the batteries, ensure that
they are inserted with the correct polarity.
Dual permanently attached swivel antennas
6”W x 4.8”D x 1.5”H (15.3cm x 12.2cm x 3.8cm)
17oz (482g)
• Before operation, confirm that the receiver
and associated transmitter are tuned to
the same frequency group and channel
number.
Housing Construction
Metal
UH-100 HanDHelD TranSMITTer
rF Output power
Harmonic/Spurious emission
Impedance
Controls
lCD Display
antenna Type
Battery Type
Battery life
Dimensions
+14dBm (25mW typical)
-50dBc normal
3.0 kΩ
Power OFF/STBY/ON, RF HI/LO and TX Lock switches
Channels/Battery Levels/TX Lock
Integral
2 x AA alkaline batteries operation
8-10 hours typical
• After making a receiver channel change,
ensure that the corresponding change is
also made on the matching transmitter.
• When using the bodypack for instrument
use: Scratchy noises can sometimes
occur when an electric guitar with dirty
pots or connections is used with a
wireless system. Therefore, the supplied
capacitor provides first-order filtering of
the RF signal from the cord into the guitar
and eliminates virtually all scratchy noises.
Should your equipment still produce
scratchy noise, we suggest these steps to
eliminate problems:
• Use only new alkaline or fully recharged
NiMH batteries. Do not use “general
purpose” carbon batteries. When batteries
are weak, replace all the batteries at
the same time. Do not mix new and old
batteries.
11”L x 2”D (28cm x 5.1cm)
8.3 oz (235g)
ABS Plastic
Weight (w/o batteries)
Housing Construction
UB-100 BODypaCK TranSMITTer
rF Output power
Harmonic/Spurious emission
Input Impedance
Controls
Input Connector
lCD Display
antenna Type
Battery Type
Battery life
Dimensions
+14dBm (25mW typical)
-50dBc normal
5k Ω (Lavalier); 500 kΩ (Instrument)
Power OFF/STBY/ON
Locking 3.5mm mini-jack
Channels/Battery Levels
External Removable
2 x AA alkaline or NiMH
8-10 Hours typical, alkaline
2.5”W x 1”H x 3.75”D (6.35cm x 2.54cm x 9.53cm)
3.1 oz (88g)
• Position the receiver so that it has the
least possible obstructions between it and
the transmitter. Line-of-sight is best!
• 1) Make sure all guitar volume and tone
pots are clean and all contacts are solid.
This is very important.
• During operation, the transmitter and the
receiver should be as close as possible for
optimum results but never closer than 3 ft.
(1 m) as that may overload the receiver’s
input circuitry and cause noises.
• 2) Solder a 47pF capacitor across the pot
to ground terminal of the guitar’s volume
and tone pots to provide extra filtering
Weight (w/o batteries)
Housing Construction
ABS Plastic
Specifications subject to change at any time without prior notice for purposes of product improvement
16
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Frequency Plan
One Year Limited Warranty
Nady Systems, Inc. warrants to the original consumer purchaser that the unit is free from
any defects in material or workmanship for a period of one year from the date of original
retail purchase. If any such defect is discovered within the warranty period, Nady Systems,
Inc. will repair or replace the unit free of charge, subject to verification of the defect or
malfunction upon return to Nady Systems. Please do not return your Nady product to the
store where it was purchased as Nady Systems handles your warranty service directly.
Communication with our Service Department is the most efficient means of servicing your
unit and we are dedicated to keeping you a satisfied customer.
Band 1: 667.000-696.700MHz (U.S.)
100 Channels / 300 KHz per step
Channel
00s
0
1
2
3
4
5
6
7
8
9
667.000 670.000 673.000 676.000 679.000 682.000 685.000 688.000 691.000 694.000
667.300 670.300 673.300 676.300 679.300 682.300 685.300 688.300 691.300 694.300
667.600 670.600 673.600 676.600 679.600 682.600 685.600 688.600 691.600 694.600
667.900 670.900 673.900 676.900 679.900 682.900 685.900 688.900 691.900 694.900
668.200 671.200 674.200 677.200 680.200 683.200 686.200 689.200 692.200 695.200
668.500 671.500 674.500 677.500 680.500 683.500 686.500 689.500 692.500 695.500
668.800 671.800 674.800 677.800 680.800 683.800 686.800 689.800 692.800 695.800
669.100 672.100 675.100 678.100 681.100 684.100 687.100 690.100 693.100 696.100
669.400 672.400 675.400 678.400 681.400 684.400 687.400 690.400 693.400 696.400
669.700 672.700 675.700 678.700 681.700 684.700 687.700 690.700 693.700 696.700
10s
To the extent permitted by law, any applicable implied warranties, including warranties
of merchantability and fitness are hereby limited to one year from the date of purchase.
Consequential or incidental damages resulting from a breach of any applicable express or
implied warranties are hereby excluded. This warranty is in lieu of all other agreements and
warranties, general or special, express or implied and no representative or person including
a Nady dealer, agent, or employee is authorized to assume for us any other liability in
connection with the sale or use of this Nady Systems’ product.
20s
30s
40s
50s
60s
Whereas some states do not allow limitations on how long implied warranties last, and
do not allow exclusion of incidental or consequential damages, the above limitations and
exclusions may not apply to you. This warranty gives you specific legal rights and you may
also have other rights which may vary from state to state.
70s
80s
This warranty is subject to the following conditions:
90s
1) This system must have been purchased from an authorized Nady dealer and all warranty
service must be performed by Nady’s service department. Any service not performed by
Nady will automatically void this warranty.
2) Items not covered: physical damage resulting from improper handling of the unit in
transit from the factory by the shipper (Nady Systems is not responsible for such damage
and all such claims must be made against the shipping company by the consignee);
defects caused by normal wear of the product (expendable parts are typically connectors,
cables, potentiometers, switches and similar components); damage or defects caused by
abuse, neglect, accident, failure to connect or operate the unit in any way that does not
comply with applicable technical or safety regulations, or improper repair, excessive heat or
humidity, alteration or unreasonable use of the unit, causing cracks, broken cases/housings
or parts; damage caused by leaking batteries; finish or appearance items; items damaged
in shipment en route to Nady Systems, Inc. for repair. The warranty is null and void if any
Nady serial number has been removed or defaced.
Optional Accessories
RMT-1KUD rack tray for rackmounting either one or two UWS-100 receivers
Service Information
In the U.S. If you are experiencing operational problems with your system, please refer to
service, please contact the Nady Service Department at (510) 652-2411 for a Return
Authorization (R/A) Number and service quote (if out of warranty). Make sure the R/A
Number is clearly marked on the outside of the package that you are returning.
How To Obtain Service:
1) If factory service is required, you must contact our Service Department at (510) 652-
2411 for a return authorization (RA) number. Make sure the RA number is clearly marked
on the outside of your package. (Please note: if an RA number is not included, our shipping
department cannot accept your package.)
If your unit is out of warranty, please enclose a cashier’s check or money order (or pay by
credit card) per instructions by the Nady Service Department. Ship your unit prepaid to:
Nady Systems, Service Dept, 6701 Shellmound Street, Emeryville, CA 94608. Include a
brief description of the problem you are experiencing. For service of a unit under warranty,
please follow the instructions in the following section.
2) Send the unit back to Nady Systems, 6701 Shellmound Street, Emeryville, CA, 94608,
freight pre-paid.You must include proof of date and place of purchase (i.e., photocopy of
your bill of sale) or Nady cannot be responsible for repair or replacement. Nady Systems,
Inc. will not repair, nor be held responsible, for any units returned without proper
identification, return address, and RA number clearly marked on the package.
Outside the U.S. For service or warranty matters please contact the Nady distributor in your
country through the dealer/store from which you purchased this product.
3) Per the above, Nady will perform all warranty service and return the unit to you at no
charge. Nady Systems will inform the buyer if product sent in does not meet the terms of
this warranty and will provide a quote for fixing the unit and/or shipping it back exclusively
at the buyer’s expense.
Do not attempt to service this unit yourself as it can be dangerous and will also void the warranty.
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