Nady Systems Microphone ENCORDUETHTLTA1D User Manual

Dual Receiver VHF Wireless Microphone System  
 
SYSTEM FEATURES  
• Dual channel system for simultaneous operation of two transmitters  
• Available on two selected frequencies in the VHF high band (171-216 MHz)  
for interference‑free, long‑range performance  
• Proprietary companding circuitry for an industry-best 120dB Dynamic Range,  
and the clearest, most natural sound available  
• Operating Range: Up to 250 feet typical (depending on site conditions)—  
up to 500+ feet line-of-sight  
• Noise-free transmitter ON/OFF operation  
• Rugged, foam-padded traveling case provides easy, safe transport and storage  
ENCORE DUET RECEIVER  
• Half-rack dual receiver design (Channel A and Channel B) with retractable  
front panel dual antennas  
• Dual RF and AF 5-LED displays for monitoring incoming signal strength  
and audio level on both channels  
• Dual balanced XLR and unbalanced adjustable 1/4" jack outputs  
• Dual mute (squelch) adjust controls  
• Externally powered by AC/DC power adapter  
• Unique snap-out panel locking tabs for single receiver or double receiver  
(side-by-side) optional rack mounting  
WHT HANDHELD MIC TRANSMITTER  
• Features the Nady DM -10D unidirectional neodymium dynamic cartridge for  
optimum true sound, maximum feedback rejection and minimal handling noise  
• 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  
WGT & WLT BODYPACK TRANSMITTERS  
• Choice of instrument (WGT) or headworn/lavalier microphone (WLT)  
bodypack transmitter  
• 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 or instrument cable  
• Easily accessible input level adjust control for optimum sound  
3
 
ENCORE DUET RECEIVER  
1. Rackmounting the Receiver  
There are two options available for rackmounting the Encore DUET receiver:  
singly or side‑by‑side with another Encore Series receiver.  
a. Single mounting: Remove the receiver SIDE MOUNT CLIP (1) from each side of  
the receiver (as shown) and slide in the optional ERM-12 RACK EARS (9).  
b. Side-by-side double mounting: After removing the SIDE MOUNT CLIPS (1) from  
both Encore receivers, join the two receivers with the EJC-2 JOINING CLIP (10)  
and attach the ERM-22 RACK EARS (12) as shown.  
(Note: Do not mount the receiver in a rack directly above an amplifier or  
other source of high heat — this could degrade the performance of the  
Encore DUET. Always ensure adequate airflow and heat dissipation in  
any rack configuration.)  
2. Powering the Receiver  
Plug the 12V AC/DC ADAPTER (15) provided into the DC INPUT JACK (11) on the  
back of the receiver. Then plug the power supply into an AC outlet.  
(Note: Any 12V DC source with 400mA capability can also be used.)  
Press the POWER SWITCH (8) once to turn on the receiver. The POWER ON LED (7)  
will now light and the receiver is operational.  
3. Antennas  
The Encore DUET receiver is supplied with TELESCOPIC ANTENNAS (16), one each  
for Channel A and Channel B. These should be extended fully to obtain maximum  
range. Optimal antenna position is 45 degrees from the receiver (at 90 degrees  
from each other). For maximum range, it is always best to maintain a line of sight  
(no obstructions) between the receiver antennas and the transmitter at all times  
whenever possible.  
4. Mute (Squelch) Adjustment  
In normal operation, the MUTE CONTROLS (2) for each channel (A & B) should be set  
fully counterclockwise to the factory preset minimum RF level. However, in areas of  
high RF activity, the mutes (or squelches, as they are sometimes called) may need to  
be adjusted to compensate for the adverse conditions in a particular location. If, with  
the transmitter off, one or more LEDs of the receiver's 5 LED RF LEVEL DISPLAYS (4) for  
that channel transmitter flicker or stay on, the squelch control for that channel should  
be turned clockwise until the LEDs extinguish. When the squelch is properly adjusted,  
the RF LEVEL LED displays will only light when that channel transmitter is turned  
on. Turning the squelch control too far clockwise will reduce the range, but yield a  
quieter mute (squelch) function. When the 5 LED RF LEVEL display extinguishes, the  
transmitter for that channel is out of range for that given location, and the user should  
move closer to the receiver to re‑establish the radio link.  
4
 
5. Connecting the Audio Output  
The Encore DUET receiver provides both a fixed mic level BALANCED AUDIO OUTPUT  
XLR (14) for each channel and an adjustable line level A + B UNBALANCED AUDIO  
OUTPUT 1/4" JACK (13) which provides a mixed (summed) Ch A plus Ch B output  
signal. The mixed level from the A + B UNBALANCED OUTPUT is controlled by the rear  
panel VOLUME CONTROLS (6) for each channel.  
(Note: As when making any connection, make sure the amplifier or mixing board  
volume is at the minimum level before plugging in the receiver to avoid possible  
sound system damage. Also make sure that the phantom power on the input of the  
mixer is turned OFF before making connection to the receiver.)  
a. Instrument Connection (using the WGT instrument transmitter)  
Insert an audio cord with a 1/4" mono phone plug in the A + B  
UNBALANCED OUTPUT JACK (13) on the rear panel of the receiver. Plug the  
other end of the cord into an amplifier, effects, or mixing board. Adjust the  
appropriate VOLUME CONTROL (6) for the channel being used on the Encore  
DUET receiver clockwise to about 3/4 rotation, until the mixed volume level is  
comfortable for your application. This setting is roughly equivalent to a direct  
instrument cord connection. Turning the volume up to maximum will provide  
4dB gain over a cord. (Note: Since this a mixed output of Ch A & Ch B, both  
channels with be processed simultaneously by the amplifier and/or effects  
connected to, which may not be appropriate for your application.  
b. Microphone Connection (using the WLT transmitter with either a headset  
or lavalier microphone or the WHT handheld microphone transmitter)  
For microphone use, either the BALANCED MIC AUDIO OUTPUT XLRs (14) or the  
1/4" line level A + B UNBALANCED OUTPUT (13) can be used. The XLR output  
is set at a non-adjustable microphone level, similar to hardwired mic levels.  
Plug an XLR connector into either or both of the XLR OUTPUT JACKS on the  
rear of the unit and plug the other end into your amplifier or mixing board.  
(Note: Make sure the phantom power on your mixing board is turned off  
and the volume is turned down when making connections.)  
For your convenience, the XLR output levels are preset at the factory and  
are not adjustable with the receiver volume controls. To use the 1/4" A + B  
UNBALANCED OUTPUT JACK (13), follow the instructions for the Instrument  
Connection (above), except start with the receiver volume at 1/2 MAX  
and adjust the volume control for each channel until the mixed Ch A and  
Ch B volume level is optimal. If the volume controls are set too high, you  
may overload your mixer or amp.  
5
 
16  
16  
7
8
4
5
5
4
2
14  
6
13  
11  
6
14  
2
15  
1
9
9
1
12  
10  
12  
6
 
WHT HANDHELD MICROPHONE TRANSMITTER  
1. Unscrew the BATTERY COMPARTMENT COVER (17) and remove, exposing the  
BATTERY HOLDER (18). Insert a fresh 9V ALKALINE BATTERY (19), observing the  
correct polarity as marked, and screw the cover back on to the microphone.  
Make sure the cover is screwed on completely. A fresh alkaline battery can  
last up to 16 hours in use, but in order to ensure optimum performance, it is  
recommended that you replace the battery after every 10 hours of use.  
2. Turn on the WHT by sliding the OFF/STANDBY/ON SWITCH (20) to the STANDBY  
position (transmitter on, audio muted) or the ON position (transmitter and audio  
both on). The BATTERY INDICATOR LED (21) 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. To preserve battery life, turn the transmitter off when  
not in use.  
3. The microphone is now ready to use. Most or all of the RF LEVEL DISPLAY LEDs (4)  
on the Encore DUET receiver should now be lit, indicating a received signal  
from the transmitter. When ready to speak, slide the transmitter switch to the ON  
position. Adjust the volume of the receiver as per the Audio Output Microphone  
Connection section of the above Encore DUET receiver instructions. The AF LEVEL  
LED DISPLAY (5) on the Encore DUET receiver will light up to 5 LEDs (4 green and  
1 red) for all input signals. Occasional flickering on and off during use of the  
top red LED indicator in this display is normal, however if the red LED stays on  
continuously, it means the signal is too loud and there is the possibility of overload  
distortion. Back off from the microphone until the red LED indicator only flickers  
on peaks.  
[Note: Observe care in selecting P.A. volume, transmitter location and speaker  
placement so that acoustic feedback (howling or screeching) will be avoided.]  
[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.]  
7
 
21  
20  
18  
19  
17  
8
 
WLT LAVALIER/LAPEL OR HEADWORN  
MICROPHONE BODYPACK TRANSMITTER  
1. Snap open the BATTERY COMPARTMENT (22) and insert a fresh 9V BATTERY (23),  
observing the correct polarity. Close the compartment.  
2. The WLT is provided with a 3.5 mm LOCKING JACK (24) for connecting the  
microphone. Plug in either the LAVALIER/LAPEL (25) or the HEADWORN  
MICROPHONE (26), 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 (27) to the STANDBY  
position (transmitter on, audio muted) or the ON position (transmitter and audio  
both on). The BATTERY INDICATOR LED (28) 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. Most or all of the RF DISPLAY LEDs (4) on  
the Encore DUET receiver should now be lit, indicating a received signal from the  
transmitter. When ready to speak, slide the transmitter switch to the ON position  
and adjust the volume of the receiver as per the Audio Output Microphone  
Connection section of the above Encore DUET receiver instructions. The AF LEVEL  
LED DISPLAY (5) on the Encore DUET receiver will light up to 5 LEDs (4 green  
and 1 red) for all input signals. Occasional flickering on and off during use of  
the top red LED indicator in this display is normal, however if the red LED stays  
on continuously, it means the signal is too loud and there is the possibility of  
overload distortion. Re-position the microphone farther from the source or adjust  
the AUDIO INPUT LEVEL CONTROL (29) until the red LED indicator flickers only on the  
loudest inputs.  
(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.)  
9
 
24  
29  
28  
27  
22  
25  
26  
22  
Opening Battery Compartment  
23  
10  
 
WGT INSTRUMENT BODYPACK TRANSMITTER  
1. Snap open the BATTERY COMPARTMENT (30) and insert a fresh 9V BATTERY (31),  
observing the correct polarity. Close the compartment. The WGT is provided  
with a 3.5 mm LOCKING JACK (32) for connecting the INSTRUMENT CABLE (35).  
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 or instrument strap. (Note: As the cord to the instrument  
also serves as the antenna, be sure to extend it fully for maximum range.  
Rolling up or shortening the cord may reduce the effective operating range.)  
2. Turn on the WGT by sliding the OFF/STANDBY/ON SWITCH (32) to the STANDBY  
position (transmitter on, audio muted) or the ON position (transmitter and audio  
both on). The BATTERY INDICATOR LED (33) 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.  
3. The WGT transmitter is now ready to use. Most or all of the RF DISPLAY LEDs (4)  
on the Encore DUET receiver should now be lit, indicating a received signal from  
the transmitter. Adjust the volume of the receiver as per the Audio Output  
Instrument Connections section of the above Encore DUET receiver instructions.  
For optimum performance, an INPUT LEVEL CONTROL (34) is provided on the top  
panel of the WGT. Adjust the gain by turning the control with a small slot head  
screwdriver It is recommended that this control be turned to maximum gain.  
However, for ultra high‑gain instrument sources such as active bass pickups or  
even extra hot guitar pickups, turning the level down slightly will create a  
cleaner sound. (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).  
The AF LEVEL LED DISPLAY (5) on the Encore DUET receiver will light up to 5 LEDs  
(4 green and 1 red) for all input signals. Occasional flickering on and off during  
use of the top red LED indicator in this display is normal, however if the red LED  
stays on continuously, turn down the instrument volume or adjust the INPUT LEVEL  
CONTROL (34) on the WGT transmitter, or noticeable distortion may result.  
(Note: Scratchy noises can sometimes occur when some electric guitars/basses  
with dirty pots or connections are used with any wireless system. For this reason,  
the supplied INSTRUMENT CORD (35) has a factory installed capacitor inside  
the 1/4" plug. This capacitor provides first order filtering of the RF signal from  
the cord into the guitar and eliminates virtually all scratchy noises. Should your  
equipment still give you scratchy noises, we suggest these steps to eliminate them:  
1) Make sure all guitar volume and tone pots are clean and all contacts  
are solid—this is very important.  
2) Provide extra filtering with a 220 pF capacitor soldered across the  
hot to ground terminals of the guitar's volume and tone pots.)  
11  
 
35  
34  
33  
32  
30  
30  
Opening Battery Compartment  
31  
12  
 
SPECIFICATIONS  
ENCORE DUET OVERALL SYSTEM PERFORMANCE  
Frequency Response  
Dynamic Range  
25-20,000 Hz, +/-3dB  
120dB  
Total Harmonic Distortion  
RF Carrier Frequency Range  
Frequency Stability  
Modulation  
< 0.3%  
2 channels between 169-216 MHz  
+/- 0.005%, crystal controlled  
FM (F3E), +/-20KHz max.  
Operating Range  
Up to 250 ft. typical (depending on site conditions);  
up to 500+ feet optimum line-of-sight  
ENCORE DUET RECEIVER  
Reception Mode  
Controls  
Dual receivers (Channel A and Channel B)  
Power ON/OFF, dual volume and mute controls  
(one each, Ch A/B)  
Connectors  
Dual balanced XLR and unbalanced adjustable  
1/4" audio out jacks (Ch A & B mixed), 2.1mm  
barrel-type DC input jack  
LED Indicators  
Power ON, Dual 5-LED RF & AF level displays  
(Ch A/B)  
Dimensions (Max.)  
Weight  
1.75" x 7.5" x 8.1" (4.4 x 19 x 20.7 cm)  
1.6 lbs (.73 kg)  
Power Requirements  
Antenna  
12V @ 400mA, nominal, AC/DC adapter supplied  
11.2" (28.5 cm), dual telescopic  
TRANSMITTERS  
Audio Inputs  
• WHT  
Nady DM-10D neodymium dynamic cartridge  
• WLT/WGT  
3.5mm mono locking jack for connecting to omni  
or unidirectional lavalier mic or unidirectional  
head worn mic, with phantom power (WLT);  
or connecting to instrument cable (WGT)  
Controls  
• WHT  
OFF/STANDBY/ON switch  
OFF/STANDBY/ON switch, input level adjust  
Unit "ON" (single flash), Low Battery Alert (steady)  
50mW (Max. allowed by FCC)  
> –40dB  
• WLT/WGT  
LED Indicator  
RF Power Out  
Harmonic & Spurious Emissions  
Battery  
9V Alkaline  
Battery Life  
Up to 15 hours  
Dimensions  
• WHT  
9.5" X 1.4" Diam. (24.1 X 3.5 cm)  
• WLT/WGT  
Weight (w/o battery)  
• WHT  
4.1" X 2.4"X 0.8" (10.4 X 6.1 X 2.0 cm)  
6.9 oz (193 g)  
3.6 oz (101 g)  
• WLT/WGT  
Specifications subject to change at any time without prior notice for purposes of product improvement  
13  
 
SERVICE INFORMATION  
In the U.S. If you are experiencing operational problems with your system, please  
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, 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.  
14  
 
ONE-YEAR LIMITED WARRANTY  
Nady Systems, Inc. warrants to the original consumer purchaser that the unit is free from  
any defects in material or workmanship for a period of one year 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 one year 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.  
15  
 
Nady Wireless Systems are type accepted under FCC rules parts 90, 74 and  
15. The device complies with RSS-210 of Industry & Science Canada. Operation  
is subject to the following two conditions: (1) this device may not cause harmful  
interference and (2) this device must accept any interference received, including  
interference that may cause undesired operation.  
|
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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