Nady 4W-1KU User Manual
OWNER’S MANUAL
4W-1KU
1000-Channel UHF Quad Receiver
Wireless System
Contents
Introduction .............................................................................................................................2
Using this Manual .................................................................................................................... 2
System Features ..................................................................................................................... 3
Quick User Controls Guide ...................................................................................................... 4
System Operation ................................................................................................................... 8
4W-1KU Receiver ................................................................................................................ 8
HT-1KU Handheld Microphone Transmitter ........................................................................10
BT-1KU Bodypack Transmitter ............................................................................................12
Specifications .........................................................................................................................15
Cautions and Troubleshooting ................................................................................................16
Miscellaneous Tips .................................................................................................................17
Frequency ...............................................................................................................................19
Accessories ............................................................................................................................19
Service Information ................................................................................................................19
Warranty .................................................................................................................................20
Introduction
Thank you for choosing the Nady 4W-1KU QUAD wireless system, and congratulations
on your choice. The Nady 4W-1KU QUAD wireless system 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 Nady
4W-1KU QUAD wireless system has four independent UHF receivers, each delivering
1000 user-selectable channels with auto-scan for easy finding of clear channels, frequency
synthesized in pre-programmed 00-09 groups and 00-99 channels in the (U.S.) Band 1:
672.000-696.975MHz, (Int.) Band 2: 795.000-819.975MHz ranges. The Nady 4W-1KU
QUAD wireless system features proprietary companding and low-noise circuitry for an
industry-best 120dB dynamic range, and the clearest, most natural sound available in
wireless today.
Using This Manual
This booklet provides instructions for the operation of the 4W-1KU 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. Please refer to the Nady 4W-1KU frequency guide for the
frequency band(s) and channels utilized by your system.
2
System Features
4W-1KU Receiver
Unsurpassed state-of-the-art PLL UHF •
performance with 120dB dynamic range
and operation up to 500 feet line-of sight
Four complete and independent wireless •
receivers with 1000 user-selectable UHF
frequencies for simultaneous operation
of four transmitters
True Diversity circuitry with two complete •
front ends per receiver for maximizing
range and most effective elimination of
signal dropouts
AUTO-SCAN for easily locating clear •
channels and ASC
IR download feature which sends selected
Group/Channel information to transmitter
via IR sender for easy frequency
synchronization
Sophisticated IF filtering for simultaneous •
operation of multiple systems in the
same location
Front panel touch control buttons and •
user-friendly LCD configuration menus
Front panel backlit LCD display indicates •
selected Group, Channel, RF signal
strength meter; Audio Output Volume
level; Diversity A/B LED indicators
Back panel Balanced XLR Mic level and •
Unbalanced ¼” SUM Line level audio
output jacks, squelch control, RF BNC
connectors for dual removable ½ wave
antennas, and DC power input jack supply
Externally powered (adapter included)•
Rugged all-metal housing— 1U rack •
mountable with supplied rack ears
(front antenna mount kit optional)
Works with any four combinations of •
available instrument, handheld and
lavalier UHF transmitters
™
(Auto-Sync Channel)
HT-1KU Handheld and
BT-1KU Bodypack Transmitters
Choice of transmitters: HT-1KU or BT-1KU, •
all with 1000 easily selectable channels:
manually with up/down buttons on units or
via IR Sync download of selected channel
for easy synchronization with receiver
HT-1KU Handheld transmitter features a •
sleek, durable all-metal housing; power
Off/On switch; internal antenna system;
and superior neodymium cartridge for
clear, powerful audio, maximum feedback
rejection, and minimal handling noise
BT-1KU bodypack transmitter (choice of •
three versions: LT, LT/HM, or GT) features
road worthy all-metal case; power Off/
Mute/On switch; flexible external antenna
rod; and mini locking connector for lapel
(LT), Headmic
(GT) applications
HT-1KU and BT-1KU transmitters feature •
LCD displays indicating selected Group,
Channel, Audio Input Levels, and Battery
level status; transmitting High/Low RF
power switch for optimizing distance
operation depending on application;
and operation with two AA batteries
(alkaline or rechargeable NiMH) for
longest reliable, economical battery life
™
(LT/HM), or instrument
3
Quick User Controls Guide
12
GROUP CHANNEL VOL
9 10 11
8
GROUP CHANNELVOL
RECEIVER 1
SET
RFABAF IR ASC
GROUP CHANNELVOL
RECEIVER 2
SET
RFABAF IR ASC
GROUP CHANNELVOL
RECEIVER 3
SET
RFABAF IR ASC
GROUP CHANNELVOL
RECEIVER 4
SET
RFABAF IR ASC
POWER
1 4 532
6
7
4W-1KU Receiver: Front View
1. POWER BUTTON Press for one second to turn
both receivers ON-OFF
2. DIVERSITY A/B INDICATOR Indicates receiver
A or B is active when transmitter is on
3. AF PEAK LED Shows flickering GREEN LED is
normal or solid GREEN LED is for maximum
audio allowable
4. IR Infrared LED transmitter window for linking
the RX to the TX for frequency download
5. AUTO-SCAN/ASC (IR SYNC) BUTTON Long press
(hold ~2 seconds) for AUTO-SCAN to locate a
clear channel to use. Short press (~1 second)
to make the IR link download the receiver’s
selected frequency to the TX. To download,
positioning the HT-1KU/BT-1KU transmitters’
IR Window (34/43) by 6-12” away from the
RX IR LED (4). Press the ASC Button (5) once and
wait one second for the RX to respond. If the
download is successful, the RX will show
one of the Diversity A/B Antenna LED (2) and
full RF LCD Bars (12) on the LCD Display (8)
6. SET To scroll through the LCD menu and
set the selected program/function
7.
UP BUTTON To change the receiver output
VOL level, GRP/CH up by one step at a time
DOWN BUTTON To change the receiver
output VOL level, GRP/CH down by one step
at a time
8. LCD DISPLAY For indication of A-B Diversity,
GRP (00-09)/CH (00-99), RF signal strength
indicator 1-6 bars, and Volume Levels (0-63)
9. FREQUENCY GROUP Indicates selected GROUP
from 00-09
10. FREQUENCY CHANNEL Indicates selected
CHANNEL from 00-99
11. SUM VOLUME LEVEL Indicates selected LINE
output level from 00-63, (63 is loudest output)
12. RF SIGNAL METER Indicates received signal
strength levels from 1-6 bars, (6 bars show
excellent incoming RF signal)
4
21
1413
13a
1319
20
ANT-B
DC 12~18V IN
1000mA
ANT-A
MUTE-4 MUTE-3 MUTE-2 MUTE-1
SUM OUT
UNBALANCED
LINE
17 18
CH 4 MIC OUT
BALANCED
CH 3 MIC OUT
BALANCED
CH 2 MIC OUT
BALANCED
CH 1 MIC OUT
BALANCED
15
16
MIN MAX MIN MAX MIN MAX MIN MAX
(Optional)
4W-1KU Receiver: Back View
13. RACK EARS Left and Right rack ears are
built into the unit
13a. ANTENNA EXTENSION CABLES (Optional)
Attach coax cables with BNC connectors
from back antenna jacks to rack ear holes
for front antenna mounting configuration
14. RF CONNECTORS Antenna jack A for
RF True Diversity reception
15. BALANCED MIC OUT Audio output connection
for each receiver — fixed Mic level
16. MUTE (SQUELCH) CONTROLS Control the
mute level for each receiver—turn CW for
maximum range; turn CCW for minimum
range, if needed, to minimize noises from
outside RF interference upon muting
17. UNBALANCED AUDIO OUT SUM Volume Level
audio output for four receivers — adjustable
LINE level
18. DC INPUT JACK For using external DC adapter
to power the receivers
19. RF CONNECTORS Antenna jack B for
RF True Diversity reception
20. DC POWER SUPPLY UNIT DC Adaptor connects
to DC Input Jack (18)
21. ANTENNAS ½ wave antennas connect to
A/B Antenna Jacks (14, 19)
5
Quick User Controls Guide
23
34
35
36
25 27 28 2926
IR
H
L
RF
22
30
33
24
31
32
HT-1KU Handheld Transmitter
22. BATTERY COVER Unscrew CW and full down
to insert two AA alkaline batteries
23. MIC BALL Windscreen/dust cover
24. LCD DISPLAY For indication of GRP (00-09)/
CH (00-99), AUDIO INPUT LEVEL (0dB
to -30dB), and BATTERY status (5 bars
and “BATT.” See 30/31/32/33 in HT-1KU
transmitter diagram above for detail LCD
display indicators.
UP BUTTON To change the GRP/CH or VOL
25.
level up by one step at a time or to light up
the display
DOWN BUTTON To change the GRP/CH or
VOL level down by one step at a time or to
light up the display
26. SET To scroll through the LCD menu and
set the selected program/function
27. RF POWER SWITCH Select the TX power level
high or low output
6
28. POWER ON/OFF SWITCH Slide power switch
up-down to turn ON-OFF
29. INTERNAL ANTENNA Built-in antenna
30. FREQUENCY GROUP Indicates selected GROUP
from 00-09 or to light up the display
31. FREQUENCY CHANNEL Indicates selected
CHANNEL from 00-99 or to light up the display
32. INPUT VOLUME LEVEL Indicates input audio level
ranging from 00dB to -30dB
33. BATTERY METER Indicates battery status
(5 bars=100%, 1 bar=20%). Change batteries
when flashing “BATT”
34. IR RECEPTOR SENSOR/WINDOW Infrared LED
sensor for IR frequency download from RX
35. BATTERY COMPARTMENT
36. TWO AA ALKALINE BATTERIES
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