Nady Systems DKW Duo Manuel utilisateur
Congratulations on your purchase. The Nady DKW-DUO is the perfect entry
level professional wireless, and delivers clear, transparent audio for a
variety of singing and speech applications. Although offered at a
breakthrough new low price for a professional wireless, this system is
loaded with features:
• All the advantages and freedom of 2 channels of wireless operation
without cumbersome cords
• Easy to use — simply plug in instead of your wired microphones
• Use both channels with single receiver and two handheld microphone
transmitters for simultaneous dual operation
• Excellent high fidelity audio — perfect for public speaking,
karaoke/recreational singers, DJ's, and many other applications
• VHF (170-216MHz) operation for reliable, interference-free performance
• 150+ feet typical operating range — up to 300+ feet line-of-sight
Receiver
• Easy to use —simply plug into your audio mixer or amplifier instead of your wired microphone. Operate either channel (1, 2) singly or both
simultaneously.
• High-band VHF (170-216 MHz) operation for 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, CH 1 and CH 2 output volume
controls, Power ON LED, CH 1 and CH 2 transmitter on LED indicators. Back panel 1/4” audio output jack and DC power input jack for
supplied AC/DC adaptor. Dual retractable CH 1 and CH 2 antennas.
• Special added circuitry eliminates transmitter on/off “pop” noise
Handheld Microphone Transmitters
• Each transmitter operates on a separate single frequency in the VHF 170-216MHz band and can be used singly or together simultaneously with
the DKW-DUO dual receiver
• Easy, convenient operation with on/off switch and low battery LED indicator which flashes once for unit "ON", and lights steady for low battery
alert
• Features the Nady DM-20 unidirectional dynamic cartridge for optimum true sound, maximum feedback rejection and minimal handling noise
• Each transmitter operates up to 15 hours on a single 9V alkaline battery
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 ANTENNAS (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. [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.]
DKW-DUO WIRELESS MICROPHONE SYSTEM OPERATING INSTRUCTIONS
OPERATION
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OPERATION
HANDHELD MIC TRANSMITTER
1. Unscrew the BATTERY COMPARTMENT COVER (8) and remove. Insert a fresh 9V BATTERY (9), observing correct polarity as marked,
and screw the cover back on to the microphone. To ensure proper battery contact, the cover must be screwed on completely.
2. Turn on the handheld mic by sliding the OFF/ON SWITCH (10) to the ON position. The BATTERY INDICATOR LED (11) will give a
single quick flash, indicating usable battery strength. In the case of a dead or low battery, the LED will either not go on at all or will stay on
continuously, indicating that the battery should be replaced with a fresh one.
3. The microphone is now ready to use. The corresponding Rx LED (7) on the DKW-DUO receiver should now be lit, indicating a received signal
from the transmitter on that Channel (1,2). Adjust the VOLUME (6) control of the receiver channels you are using clockwise to about 3/4
rotation, until the volume level is comfortable for your application. If using both CH 1 and CH 2, adjust the relative volume of each channel as
desired in the mixed (summed) receiver AUDIO OUT (5).
[Note: Observe care in selecting P.A. volume, transmitter location and speaker placement so that acoustic feedback (howling or screeching) will
be avoided.]
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
TRANSMITTER
Audio Input: Nady DM-20D unidirectional dynamic cartridge
Controls: OFF/ON switch
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: 8.9” X 1.4” Dia. (22.6 X 3.5 cm)
Weight (w/o battery): 5.4 oz. (151 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”, (20.8 X 13.5 X 4.4 cm.)
Weight: 16.1 oz. (451 g.)
Power Requirements: 9V @ 120mA, nominal, AC/DC adapter supplied
Antennas: Dual 15” (38 cm), collapsible
Specifications subject to change for product improvement purposes
(U.S.) Should your Nady DKW-DUO Wireless Microphone System require service, please contact the Nady Customer Service Department via
telephone: (510) 652-2411 or e-mail: service@nady.com.
(INTERNATIONAL) For service, please contact the Nady distributor in your country through the dealer from whom you purchased this
product.
The warranty card supplied with this system provides valuable warranty and service information. Store it in a safe place for future
reference. Do not attempt to service this unit yourself as it will void your warranty.
NADY SYSTEMS, INC.
6701 Shellmound Street • Emeryville, CA 94608 • Tel: 510.652.2411 • Fax: 510.652.5075 • www.nady.com
SPECIFICATION
SERVICE
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