O w n e r ’ s M a n u a l
DKW-Duo
Dual wireless Microphone system
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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.
3. The 1/4” auDIO OuTPuT JaCK (5) provides
a fixed, unbalanced MIC level audio output
1
for connection to your mixer with the /4”
1
to /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.
2. Rotate and extend anTennas (4) fully,
angled at 60° position as shown.
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.
4
4
1
6
7
2
7
5
3
3
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Handheld Microphone Transmitters
3. The microphone is now ready to
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.
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
3
you are using clockwise to about /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).
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
Note: Observe care in selecting P.A. volume,
transmitter location and speaker placement so
that acoustic feedback (howling or screeching)
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. will be avoided.
11
10
9
8
4
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Specifications
OVerall sYsTeM PerFOrManCe
Frequency response
Dynamic range
80-14,000 Hz, +/-3dB
95dB
Total Harmonic Distortion
rF Carrier Frequency range
Frequency stability
Modulation
<0.7%
170-216 MHz
+/- 0.005%, crystal controlled
FM (F3E), +/-15KHz max.
150 ft. typical-up to 300+ ft. line-of-sight
Operating range
TransMITTer
audio Input
Controls
Nady DM-20D unidirectional dynamic cartridge
Off/On switch
leD Indicator unit
rF Power Out
Harmonic & spurious emissions
Battery
“On” (single flash), Low Battery Alert (steady)
50mW (Max. allowed by FCC)
>-40dB
9V Alkaline
Battery life
Up to 15 hours
Dimensions
weight (w/o battery)
8.9” X 1.4” Dia. (22.6 X 3.5 cm)
5.4 oz. (151 g.)
reCeIVer
Controls
Power On/Off
1
Connectors
leD Indicator
Dimensions
weight
/4” unbalanced audio out jack, 2.1mm barrel-type DC input jack
Power On, Transmitter RF (CH A & CH B)
8.2” X 5.3” X 1.75”, (20.8 X 13.5 X 4.4 cm.)
16.1 oz. (451 g.)
Power requirements
antennas
9V @ 120mA, nominal, AC/DC adapter supplied
Dual 15” (38 cm), collapsible
Specifications subject to change for product improvement purposes
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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 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.
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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.
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6701 Shellmound Street Emeryville, CA USA 94608
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Download from Www.Somanuals.com. All Manuals Search And Download.
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