Nady Systems DKW-3 LT User manual

DKW-3 LT

OWNER’S MANUAL

Wireless VHF Microphone System

Contents

Introduction ............................................................................................................................. 2

System Features ..................................................................................................................... 2

Operation................................................................................................................................. 3

Speciﬁcations .......................................................................................................................... 6

Service Information ................................................................................................................. 6

Warranty.................................................................................................................................. 7

Introduction

Thank you for choosing the Nady DKW-3 LT wireless microphone system, we know you

will be very pleased with its performance and features. The Nady DKW-3 LT is is loaded

with top professional operating features and is the best performance and price value

available in VHF wireless systems.

System Features

Receiver

All the advantages and freedom•

of wireless operation without

cumbersome cords

Easy to use—simply plug into your audio•

mixer or ampliﬁer instead of your wired

lavalier/lapel microphone

Excellent high ﬁdelity audio—perfect•

for public speaking, karaoke/recreational

singers, DJ’s, and many other applications

150+ feet typical operating range—•

up to 300+ feet line-of-sight

High-band VHF (170-216 MHz) operation•

for reliable, interference-free performance

Advanced audio processing circuitry for•

a wide dynamic range (no overloading

for loud inputs or background hiss during

quiet use)

Complete controls and connections for•

professional operation include front panel

power On/Off switch, output volume

control, Power On LED indicator

Back panel• 1/4” audio output jack

and DC power input jack for supplied

AC/DC adaptor

Special added circuitry eliminates•

transmitter On/Off “pop” noise

Collapsible receiver antenna•

WLT Bodypack Transmitter

Supplied with LM-14O omnidirectional•

lavalier/lapel microphone

Off/Standby/On switch allows convenient•

audio muting with the transmitter on

Low battery LED indicator ﬂashes•

once for Unit On; lights steady for

low-battery alert

Locking 3.5mm mini-jack provides•

secure connection for removable

microphone cable

Easily accessible input level adjust•

control for optimum sound

Operation

Receiver

1. Plug the AC/DC adapter (provided) into

the 9VDC INPUT JACK (3) on the back of the

receiver. Then plug the power supply into

an AC outlet. Switch the POWER (1) to the

“On” position. The POWER ON LED (2) will

now light and the receiver is operational.

2. Rotate and extend ANTENNA (4) fully,

angled at 60° position as shown.

3. The 1/4” AUDIO OUTPUT JACK (5) provides

a ﬁxed, unbalanced MIC level audio output

for connection to your mixer with the 1/4”

to 1/4” cord supplied. As when making any

connection, make sure the mixing board’s

volume is at the minimum level before

plugging in the receiver to avoid possible

sound system damage. Use the VOLUME

CONTROLS (6) to adjust the volume.

Note: this output is the sum of the signals received

by both the internal receivers (CH 1 + CH 2).

Use the CH 1 & CH 2 VOLUME CONTROLS (6)

to adjust the individual relative channel volumes.

1 2 7 6

5 3

WLT Bodypack Transmitter

1. Snap open the BATTERY COMPARTMENT (7)

and insert a fresh 9V BATTERY (8), observing

the correct polarity. Close the compartment.

2. The WLT is provided with a 3.5 mm

LOCKING JACK (9) for connecting the

microphone. Plug in either the LAVALIER/

LAPEL (10) or the HEADWORN MICROPHONE

(11), as supplied. To secure the connection,

turn the metal slip ring on the plug

clockwise to thread it on to the jack. To

unplug, reverse the process. Slip the

transmitter into a pocket or clip on to your

clothes. To use the lavalier mic, attach it

at chest level. Do not place too close to

the mouth—a distance of about six inches

usually works best. To use the headworn

mic, place it on the head and adjust the mic

boom so that the mic is about one inch to

the side of the front of the mouth.

(Note: The lavalier or headworn mic wire is also the

transmit antenna, and rolling up or shortening the

wire may reduce the effective operating range.

Extend the wire fully during use, and keep it as

straight as possible.)

3. Turn on the WLT by sliding the OFF/

STANDBY/ON SWITCH (11) to the Standby

position (transmitter on, audio muted) or the

On position (transmitter and audio both on).

The BATTERY INDICATOR LED (12) will give a

single quick ﬂash, indicating usable battery

strength. In the case of a dead or low

battery, the LED either will not go on at all or

will stay on continuously, indicating that the

battery should be replaced with a fresh one.

4. The microphone is now ready to use.

When ready to speak, slide the transmitter

switch to the On position and adjust the

volume of the receiver as per the previous

Receiver Operation section. For optimum

performance, an INPUT LEVEL CONTROL (13) is

provided on the top panel of the WLT. Adjust

the gain by turning the control with a small

slot head screwdriver. It is recommended

that this control be turned to maximum gain.

(Note: Turning down the input gain too much can

compromise the signal-to-noise ratio and is not

recommended. Set for the maximum possible

gain and headroom without noticeable distortion

on the high level peaks).

(Note: Observe care in selecting P.A. volume,

transmitter location and speaker placement so

that acoustic feedback (howling and screeching)

will be avoided. Please also observe the

pickup patterns of the microphone selected:

omnidirectional mics pick up sound equally from

all directions and are prone to feedback if not used

carefully. Unidirectional mics are more resistant

to feedback, but pick up sound sources best that

are directly in front of the mic. Also, mics that are

farther from the sound source, such as lavaliers,

require more acoustic gain and thus are also more

prone to feedback than close-source mics such as

handheld or headworn mics that are used close to

the mouth.)

(Note: Microphone elements can easily be

destroyed by the buildup of salts and minerals

from perspiration and saliva. It is good practice to

put a windscreen on the mic element at all times

to protect it.)

OFF/STANDBY/ON

BAT

LOW

MIC

Opening Battery Compartment

Service Information

In the U.S. If you are experiencing operational problems with your system, please refer to

the Support page at www.nady.com for assistance. Should your wireless system require

service, please contact the Nady Service Department at (510) 652-2411 to obtain 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.

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 Department, 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.

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.

Do not attempt to service this unit yourself as

it can be dangerous and will also void the warranty.

Speciﬁcations

OVERALL SYSTEM PERFORMANCE

Frequency Response 80-14,000 Hz, +/-3dB

Dynamic Range 95dB

Total Harmonic Distortion <0.7%

RF Carrier Frequency Range 170-216 MHz

Frequency Stability +/- 0.005%, crystal controlled

Modulation FM (F3E), +/-15KHz max.

Operating Range 150 ft. typical—up to 300+ ft. line-of-sight

WLT TRANSMITTER

Audio Inputs 3.5mm mono locking jack for connecting to omnidirectional

lavalier/lapel mic, with phantom power

Controls Off/Standby/On switch, input level adjust

LED Indicator Unit On (single ﬂash), Low-Battery Alert (steady)

RF Power Out 50mW (Max. allowed by FCC)

Harmonic & Spurious Emissions > –40dB

Battery 9V Alkaline

Battery Life Up to 15 hours

Dimensions 4.1 x 2.4 x 0.8 in. (10.4 x 6.1 x 2.0 cm.)

Weight (w/o battery) 3.6 oz. (101 g.)

RECEIVER

Controls Power On/Off

Connectors 1/4” unbalanced audio out jack, 2.1mm barrel-type DC input jack

LED Indicator Power On, Transmitter RF (CH A & CH B)

Dimensions 8.2 x 5.3 x 1.75 in. (20.8 x 13.5 x 4.4 cm.)

Weight 16.1 oz. (451 g.)

Power Requirements 9V @ 120mA, nominal, AC/DC adapter supplied

Antenna Single 15 in. (38 cm.) collapsible

Speciﬁcations subject to change for product improvement purposes

90-Days Limited Warranty

Nady Systems, Inc. warrants to the original consumer purchaser (U.S.A. only) that the unit is free from

any defects in material or workmanship for a period of 90 days 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.

To the extent permitted by law, any applicable implied warranties, including warranties of merchantability

and ﬁtness are hereby limited to 90 days 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.

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.

This warranty is subject to the following conditions:

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.

How To Obtain Service:

1) If factory service is required, please contact our Service Department at (510) 652-2411 for a return

authorization (R/A) number. Make sure the R/A number is clearly marked on the outside of your package.

(Please note: if an R/A number is not included, our Shipping Department cannot accept your package.)

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 R/A number clearly marked

on the package.

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.

6701 Shellmound Street |Emeryville, CA USA 94608

T510.652.2411 |F510.652.5075 |www.nady.com

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