Nady Systems Microphone dkw duo User Manual

O w n e r ’ s M a n u a l  
DKW-Duo  
Dual wireless Microphone system  
 
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
 
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
 
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  
5
 
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.  
6
 
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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T 510.652.2411 F 510.652.5075 www.nady.com  
 

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