Nady Systems Musical Instrument MGT16 User Manual

O w n e r ’ s M a n u a l  
MGT  
-
16  
16-Channel Mini uHF  
wireless Instrument system  
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System Features  
MGT-16 system Features  
MT-16a & MT-16r Transmitters  
UHF wireless system for guitar/bass  
Choice of two transmitter housings—  
MT-16A with 30° angled ¼” plug for use  
with either recessed or surface mounted  
jacks, or MT-16R with 90° angled ¼” plug  
for surface mounted jacks only  
16 user-selectable PLL frequencies  
for interference-free operation  
Up to 250’ operating range, line-of-sight  
Infrared ASCAuto-Sync Channel  
transfer from receiver to transmitter  
for instant setup  
Up to eight hours of battery life  
from a single AAA alkaline or NiMH  
rechargeable battery  
Battery operated receiver and transmitter  
Infrared channel sync with receiver  
for instant setup  
MGT-16 receiver  
Compact, portable,pedal style” receiver  
Power On/Off switch; Power/Low Battery  
LED indicators; IR Sync LED; Input level  
attenuation switch; Internal audio level  
control trim-pot  
Dual ¼ wave antennas  
Infrared sync with transmitter for  
External flexible antenna  
instant setup  
Unbalanced ¼” line out jack  
Power On/Off/Mute switch;  
Volume Control; LED indicators  
for Power On, Low Battery, and  
RF Reception; DIP-switch channel  
selection with IR sync to transmitter  
Powered by DC adapter (included) or  
two AA alkaline batteries for portability  
(up to 8 hours battery life)  
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Quick User Controls Guide  
MGT-16 Instrument receiver  
7
8
9
IR PO LO RX  
1
OFF ON  
10  
11  
12  
2
POWER  
3
LEVEL  
13  
14  
4
CHANNEL  
ACT SQ  
1
2
3
4
5
6
15  
16  
4
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1. ASCIR SYNC INFRARED LED WINDOW  
For downloading selected Channel  
(Frequency) to transmitter  
12. POWER ON LED Indicates the receiver is On  
13. MUTE (SQUELCH) CONTROL Adjust with a small  
screwdriver inserted in slot. Controls the  
mute level for the receiverturn counter-  
clockwise for maximum range; turn clockwise,  
if needed, to minimize noises from outside  
RF interference upon muting.  
2. POWER SWITCH Select OFF/MUTE/ON  
(MUTE=power On, audio output highly  
attenuated)  
3. VOLUME CONTROL Adjusts the audio output  
level—at maximum setting the gain will  
be about +4dB over a direct instrument-to-  
cord-to-amp connection  
Note: Set control carefully. If trim-pot  
is turned past minimum and maximum  
adjustment points it may need to be backed  
up to achieve desired setting.  
4. CHANNEL SELECT DIP-SWITCH Select one of  
16 pre-set channels per MGT-16 DIP-Switch  
Frequency Selection Chart (see page 14)  
5. BATTERY COMPARTMENT Insert two AA  
batteries for optional DC operation,  
note correct polarity  
14. ASCIR SYNC BUTTON Press to make the IR link  
download the receiver’s selected frequency to  
the TX. First, turn on the MT-16A/R transmitter  
(or turn off and then on again if already on) and  
position its IR window 6-12” away from the  
RX IR window, press the SYNC button once  
and wait one second for the RX to respond.  
If the IR data download is successful, the  
receiver SIGNAL LED (10) will light indicating  
the transmitter is locked in and transmitting.  
15. AA BATTERIES Two required for optional battery  
operation  
6. BATTERY COMPARTMENT COVER  
7. AUDIO OUTPUT JACK For connecting audio cable  
8. DC INPUT JACK For connecting external AC/DC  
adapter for powering receiver  
9. ANTENNAS Dual ¼ wave  
10. SIGNAL LED Indicates the received signal  
from the transmitter  
16. POWER ADAPTER For AC operation (included)  
11. LOW BATTERY LED Indicates batteries need  
replacement (if not using power adapter)  
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Quick User Controls Guide  
MT-16a/r Instrument Transmitter  
19  
MT-16R  
(Straight plug)  
MT-16A  
(Angled plug)  
18  
17  
20  
21  
22  
23  
26  
24  
25  
17. POWER SWITCH To power transmitter Off/On  
18. 15dB ATTENUATION PAD Select to reduce the  
input gain by 15dB for higher level audio  
input signals  
23. INTERNAL AUDIO LEVEL ADJUST Remove battery  
to access slot and adjust internal trim-pot  
with small screwdriver for optimal input  
level setting. Note: this is to be done only in  
rare cases as factory level setting is already  
optimized for most guitars and basses and  
15dB Pad also available.  
19. INPUT ¼” PLUG Connect directly into  
guitar/bass output jack  
20. LOW BATTERY LED Indicates battery  
needs replacement  
Note: Set control carefully. If trim-pot  
is turned past minimum and maximum  
adjustment points it may need to be backed  
up to achieve desired setting.  
21. IR RECEPTOR SENSOR/WINDOW Infrared LED  
sensor for linking the TX to the RX during  
IR frequency download  
24. ANTENNA Permanently attached antenna  
25. BATTERY Single AAA alkaline or NiMH battery  
required for operation  
22. BATTERY COMPARTMENT Insert one AAA  
battery, observing correct polarity  
26. BATTERY COMPARTMENT COVER  
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Ir sync selected Frequency Download  
from MGT-16 receiver to MT-16a/r Transmitter  
(1) ASCIR SYNC INFRARED LED WINDOW  
For downloading selected Channel  
(Frequency) to transmitter  
14  
IR PO LO RX  
1
(21) IR RECEPTOR SENSOR/WINDOW Infrared LED  
OFF ON  
POWER  
sensor for linking the TX to the RX during  
IR frequency download.  
ACT SQ  
14. ASCIR SYNC BUTTON Press to make the IR link  
download the receiver’s selected frequency to  
the TX. First, turn on the MT-16A/R transmitter  
(or turn off and then on again if already on) and  
position its IR window 6-12” away from the  
RX IR window, press the SYNC button once  
and wait one second for the RX to respond.  
If the IR data download is successful, the  
receiver SIGNAL LED (10) will light indicating  
the transmitter is locked in and transmitting.  
21  
System Operation  
MGT-16 wireless Instrument receiver  
it is recommended that the batteries  
be replaced after six hours of use, or as  
antennas  
The MGT-16 receiver is supplied with  
indicated by the low Battery Indicator (11).  
As the batteries begin to weaken below  
usable voltage, the low battery indicator  
will light up continuously, warning that the  
batteries are now too low and should be  
replaced as soon as possible. To preserve  
battery life, keep the receiver Off when it  
is not in use.  
Dual antennas (9) attached. They should be  
extended fully to obtain maximum range.  
The optimal positions of the antennas are  
45 degrees from the receiver and 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 whenever possible.  
For AC operation, power the receiver with  
the supplied aC Power adaptor (16). Plug the  
adapter’s barrel plug into the DC Input Jack (8)  
on the back of the receiver, then plug the  
adapter into an AC outlet.  
Powering the receiver  
The MGT-16 receiver can operate with either  
two AA size batteries (DC operation) or with  
the supplied AC adaptor (AC operation).  
AC operation of the MGT-16 receiver is  
the same as DC operation except that the  
Low Battery Indicator is inactive when the  
AC adapter is connected.  
For DC operation, open the receiver’s  
Battery Compartment Door (6) and place  
two fresh AA batteries in the battery  
compartment, observing the correct polarity.  
Two fresh alkaline or NiMH AA batteries will  
generally provide 6-8 hours performance,  
but in order to ensure optimal performance  
Note: When the AC adapter is used, the installed  
batteries are automatically disconnected internally  
and are not operational. The AC adapter only  
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powers the unit and will not charge NiMH  
rechargeable batteries if installed. For battery  
operation the AC adapter must be disconnected.  
selecting the MGT-16 receiver  
Channel and Ir sync  
The Frequency select DIP switches (4)  
are used for selecting one of 16 preset  
frequencies. Simply position the DIP  
Note: For quietest optimal performance, use  
the AC/DC adapter as battery operation raises  
the noise floor around 4 dB. Generally this is  
only a concern when playing high-gain lead  
guitar. For such applications, experiment to see  
if slightly quieter performance with the AC/DC  
supply is preferred.  
switches to a desired open channel on the  
receiver. There should be no flickering of  
the rF signal leD (10) with the transmitter  
off. See the MGT-16 DIP-Switch Frequency  
Selection Chart on page 14 for the correct  
switch position for each of the 16 available  
channels. Once you have selected  
the receiver frequency it can easily be  
downloaded to the transmitter to establish  
the necessary RF connection. For help in  
finding open channels, see RF Interference  
and Finding Open Channels on page 12.  
Turn on the MGT-16 receiver by sliding  
the Power switch (2) to the second position  
(receiver On but audio output Muted/  
Attenuated), or to the third position for  
normal operation (receiver On and audio  
un-Muted). The Power leD (12) will light up  
and the receiver is operational.  
The Ir sync Button (14) on the MGT-16 receiver  
is used to transfer the selected frequency  
info from the receiver to the transmitter for  
quick synchronization prior to use. Begin  
programming by holding the wireless  
transmitter’s Ir receptor/sensor window (21)  
about 6-12” from the receiver’s Ir synch  
Infrared leD window (1). Press the IR Sync  
Button once to begin the IR sync download  
of the selected frequency to the transmitter.  
adjusting the squelch  
The rF squelch (13) control should be  
adjusted counterclockwise to the minimum  
RF squelch setting at which the rF signal  
leD (10) remains on while your transmitter is  
in normal use, up to the maximum operating  
range anticipated in use for your application.  
However, in areas of high RF activity, the  
squelch control may need to be adjusted  
clockwise. If the transmitter is off and the  
receiver RF Signal LED indicator is flickering  
or stays on continuously, the squelch should  
be adjusted to a higher level (clockwise  
for less mute sensitivity level) to stop the  
flickering. Be careful not to select too high  
a clockwise setting as this may reduce the  
operating range to below what is needed.  
A range walk test will help in selecting  
the proper level. If the range is not critical,  
note that a clockwise (maximum squelch)  
setting will also yield a quieter mute  
Note: To insure proper synchronization, the  
transmitter must always be just turned on, or  
else turned of then on again before synching.  
function, which may be desirable in certain  
applications. The squelch level is factory  
preset at maximum sensitivity and operating  
range (i.e. counterclockwise for minimum  
squelch/maximum usable range).  
IR PO LO RX  
OFF ON  
6-12”  
POWER  
LEVEL  
CHANNEL  
ACT SQ  
Note: Set controls carefully. If trim-pots are turned  
past minimum or maximum adjustment points  
they may need to be backed up to achieve  
desired setting.  
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MT-16a/r Instrument Transmitter  
When the rF signal leD (10) on the receiver  
lights up, the system frequency is properly  
synchronized. To change to a different  
frequency, reset the Frequency select DIP  
switches (4) and sync the transmitter again  
to the new selected frequency first, after  
turning the transmitter off and then on  
again. If no action is taken during the 10  
seconds of active data transfer ( i.e., the  
transmitter is not turned on or properly  
positioned) the receiver and the transmitter  
units do not link and transmitter’s previously  
programmed channel remains unchanged.  
Powering the Transmitter  
The MT-16A/R Instrument transmitter  
requires one aaa size battery (25). To install  
the battery, push the locking tabs on the  
Battery Cover (25) and push out to expose  
the Battery Compartment (22). Insert one  
fresh AAA battery according to the correct  
polarity as indicated on the transmitter  
body. Close the battery cover, ensuring the  
cover is snapped shut. A fresh AAA alkaline  
battery generally provides up to 6-8 hours  
of operation, but in order to ensure optimal  
performance it is recommended that the  
battery be replaced after six hours of use or  
as indicated by the low Battery Indicator (20).  
Note: Only one transmitter can be used with one  
receiver. It is not possible to use two transmitters  
on the same frequency and mix the output of  
these transmitters into one wireless receiver.  
Note: The IR link is infrared light and works best  
when this data transfer is accomplished in a  
light-shielded or darker environment. It may not  
be successful in a brightly lit area. If the transfer  
fails, repeat the procedure in a darker location  
or somehow shield the link from outside light to  
successfully program the transmitter with the  
selected channel info from the receiver.  
To turn on the transmitter, slide the  
Power switch (17) in the direction of the  
arrow. The Low Battery Indicator will  
flash once. The unit is now on and the  
receiver’s rF signal leD (10) will light up  
if the transmitter has been frequency  
synchronized to the receiver’s selected  
frequency as per below.  
Connecting audio Output  
As the batteries weaken, the Low Battery  
Indicator will flash to warn that the battery  
level is too low and should be replaced as  
soon as possible. To preserve battery life,  
turn the transmitter Off when not in use.  
To turn the transmitter Off, slide the Power  
Switch in the opposite direction of the arrow.  
The MGT-16 receiver’s audio Output Jack  
(7) is a ¼unbalanced line out and its level  
is controlled by the Volume Knob (3). Plug  
an audio cable with a ¼” mono (tip/sleeve)  
plug into the audio output jack and plug the  
other end into your pedal board or amplifier  
as you would with a direct cord from the  
instrument. When the Volume knob is  
set to maximum receiver volume setting,  
the system audio output is approximately  
+4dB higher than a direct instrument-to-  
cord-to-amp connection.  
The transmitter has a 15dB Pad (18) On/Off  
switch which can be selected to attenuate  
high output instrument pick-up levels if  
needed to reduce distortion through the  
system. To turn On, slide the switch in the  
direction of the arrow. Turning opposite the  
arrow indication is for standard 1:1 gain  
operation and is recommended for normal,  
optimal low-noise operation.  
Note: As when making any connection, make sure  
the amplifier volume control is set at the minimum  
level before plugging in the receiver to avoid  
possible speaker damage.  
Your MGT-16 receiver is now operational  
and ready to use. Once you have completed  
the above steps, proceed to the following  
instructions for the MT-16A/R Instrument  
transmitter.  
The transmitter has an Internal audio  
level adjust (23) to set the audio deviation  
level. It is accessed by inserting a small  
screwdriver into the slot. Turning this  
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trim-pot counterclockwise reduces overall  
system audio output (thus lowering  
distortion but raising background noise),  
while turning clockwise increases overall  
system audio output (thus lowering  
background noise but raising distortion). The  
Audio Level Adjust is factory set to the mid  
position, which is the optimal setting for  
normal operation.  
When programming is finished, close the  
battery compartment door, ensuring that it  
latches. The MT-16A/R is now ready for use.  
note: Manually matching the transmitter frequency  
without the receiver is not possible. For proper  
operation, the transmitter must have the same  
channel as selected on the receiver.  
Operating the MT-16a/r  
Instrument Transmitter  
note: The Audio Level Adjust is not intended for  
high-input signal adjustment—the 15dB pad is  
provided for that purpose. It is for use only in  
extreme cases during which satisfactory audio  
cannot be achieved with the pad alone.  
During normal operation with the unit  
powered On, the MT-16A/R transmitter  
should be fully inserted onto the instrument  
(guitar, bass, etc.). When ready to play,  
slide the Power switch (2) to On position  
in the direction of the arrow. The receiver  
signal leD (10) should light up if system is  
properly synchronized. Adjust the volume  
on the receiver (see Connecting Audio  
Output on page 9) for unity gain (one-to-  
one) with a hard-wired cord. Or, select up  
to an added 4-5dB boost by adjusting the  
receiver volume to maximum for normal use  
with guitars and bass guitars. A listening  
test prior to use will determine which  
receiver volume and transmitter input pad  
settings are best for your application. To  
Mute/un-Mute (attenuate) the audio during  
use, set the receiver power switch to the  
second (Mute) position. Or, just turn off the  
transmitter with the Transmitter Power switch  
(17). The Signal LED will turn off and the  
audio will be muted (Off). When ready to  
play again, slide the receiver’s power switch  
to the third (On) position. Or, just turn on  
the transmitter.  
Note: Set control carefully. If trim-pot is turned past  
minimum or maximum adjustment points, it may  
need to be backed up to achieve desired setting.  
Programming the MT-16a/r  
to the selected Channel  
Before beginning operation, the MT-16A/R  
transmitter must be synchronized with  
the selected frequency from the receiver  
using the Ir receptor/sensor window (21) on  
the transmitter and the Ir sync window (1)  
on the receiver (see Selecting the MGT-16  
Receiver Channel and IR Sync on page 8).  
After first turning the transmitter on (or  
off and then on again if already on), begin  
programming by holding the transmitter’s  
IR Receptor/Sensor Window about 6-12”  
from the receiver’s IR Synch Window. Press  
the Ir sync Button (14) once to begin the IR  
sync download of the selected frequency  
to the transmitter. Upon successful data  
transfer (usually in less than two seconds)  
the transmitter will transmit a radio signal  
on the same channel (frequency) as  
the receiver. The signal leD (10) on the  
receiver will light up, indicating that the  
link is completed. If all the necessary steps  
noted above are not taken during the ten  
seconds of active data transfer, the receiver  
and the transmitter units will not link and  
the transmitter’s previously programmed  
channel remains unchanged.  
Note: While playing, the audio level should be  
adjusted on the instrument as when using a  
hard-wired cord.  
10  
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Specifications  
MGT-16 sysTeM  
Frequency response  
Dynamic range  
50Hz–16kHz (-3dB)  
120dB  
Oscillating system  
Total Harmonic Distortion (THD)  
rF Carrier Frequency range  
Modulation  
Phase Lock Loop (PLL)  
<0.8%  
902.40MHz–923.70MHz  
FM (F3E), +/-30KHz normal  
Up to 250 feet (typical, depending on site conditions)  
Operating range  
MGT-16 reCeIVer  
Controls  
Audio Level, Power ON/MUTE/OFF,  
Frequency Select DIP-switches, IR sync button  
Unbalanced ¼, DC Adapter input jack  
Power ON (Red-continuous), Low Power (Orange-continuous),  
RX reception (Green)  
Connectors  
leD Indicators  
antennas  
Dual ¼ wave, adjustable orientation  
>105dB (w/AC/DC power supply)  
-110dBm nominal, 12dB SINAD  
-95dBm (minimum/normal setting), adjustable  
1.0KΩ  
signal-to-noise ratio  
receiver sensitivity  
squelch sensitivity  
Output Impedance  
Power Consumption  
Battery  
DC: 3V/ 115mA or AC/DC adapter: 10VDC/200mA  
Two AA alkaline or NiMH  
Battery life  
Up to 8 hours  
Dimensions  
weight (w/o batteries)  
Housing Construction  
2.75” W x 5.00” D x 1.88” H (7.0 cm x 12.7 cm x 4.78 cm)  
5.7 oz (161.6 g)  
ABS Plastic  
MT-16a/r TransMITTer  
rF Power Out  
25mW nominal, 50mW maximum  
Harmonic & spurious emissions  
Controls  
-50dB  
Power ON/OFF, 15dB Attenuation Pad select switch  
leD Indicators  
Input Impedance  
Power Consumption  
Battery  
Power ON (Red-single flash), Low Battery (Red flash)  
500KΩ  
DC 1.5V/90mA  
One AAA alkaline  
Up to 8 hours  
Battery life  
antenna  
¼ wave, permanently attached  
Dimensions  
MT-16A: 4.5” W x 2.0” D x 1.0” H (11.43 cm x 5.08 cm x 2.54 cm)  
MT-16R: 3.5” W x 2.5” D x 1.0” H (8.9 cm x 6.35 cm x 2.54 cm)  
MT-16A: 1.2 oz (34 g)  
weight (w/o batteries)  
MT-16R: 1.1 oz (31.2 g)  
Housing Construction  
ABS Plastic  
Specifications subject to change at any time without prior notice for purposes of product improvement  
11  
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Cautions and Troubleshooting  
no or low audio  
If you are not getting audio through the system, carefully re-check all setups. Especially  
note that the receiver and transmitter must be set to operate on the same RF channel.  
Make sure that the receiver Power switch (2) on the MGT-16 receiver is not in the second  
position (audio muted/attenuated). The receiver’s unbalanced audio Out (7) is adjustable,  
so make sure the Volume Control (3) is set properly.  
rF Interference and Finding Open Channels  
If you encounter slight receiving interference when the transmitter is far from the receiver,  
it can often be overcome by adjusting the receiver‘s squelch adjust (13) (see Adjusting the  
Squelch on page 8). If you receive interference on a selected channel with the transmitter  
Off, you must reprogram the receiver and transmitter to a different channel.  
To reprogram, you must first find an open channel. To do this, follow the operating  
procedure outlined in Selecting the MGT-16 Receiver Channel and IR Sync on page  
8. With the transmitter Off, change the receiver DIP switches setting to one of the  
16 channels until you find one for which the signal leD (10) doesn’t flicker or light up.  
Also, for optimal interference-free operation, the Signal LED must not flicker or light up  
on any of the three immediately adjacent channels, both above and below the selected  
channel (i.e., a field of seven adjacent channels, with the chosen channel in the middle,  
should all be clear). If operating multiple MGT-16 systems simultaneously, repeat  
this procedure every time a new channel is selected, with all other transmitters and  
receivers turned on.  
It is important to note that wireless frequencies are shared with other radio services.  
According to current FCC regulations, wireless microphone operation is not protected from  
interference from other licensed operations in the band. If any interference is received  
by a government or non-government operation and wireless microphone use is deemed  
responsible for the interference, the wireless microphone must cease operation or change  
frequencies. Note: This requirement is applicable in the U.S. only.  
Note: If the Signal LED is lit, this indicates good signal strength in operation. If the Signal LED remains  
lit with the transmitter Off, this indicates the presence of likely RF interfering signals at that location.  
Should this occur, select a different channel.  
12  
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Miscellaneous Tips  
The receiver antennas should be kept  
away from any metal surfaces whenever  
possible as they can reflect away or shield  
the incoming RF signal.  
Keep antennas away from noise sources  
such as motors, automobiles, neon light,  
signal processors, computers, and large  
metal objects.  
When inserting batteries, make sure they  
A receiver cannot receive signals from  
are inserted with the correct polarity.  
two or more transmitters simultaneously.  
Before operation, confirm that the receiver  
and associated transmitter are tuned to  
the same frequency/channel.  
Turn the transmitter off when it is not in  
use. For longest life, remove the batteries  
if the unit is not going to be used for a  
long period of time as the transmitters  
draw a tiny residual current even when  
off in order to maintain the programmed  
settings. Also, since batteries installed  
for a long time can sometimes corrode  
and/or leak, causing damage, it is  
After making a receiver channel change,  
make sure that the corresponding change  
is also made on the matching transmitter.  
Use only fresh alkaline or fully charged  
NiMH batteries. Do not use “general  
purpose” carbon batteries. When batteries  
are weak, replace all of them at the same  
time. Do not mix new and old batteries,  
or different types of batteries.  
generally recommended that batteries  
be removed whenever the transmitters  
are not being used.  
When using the MT-16A/R with guitars  
and basses: Scratchy noises can  
sometime occur when electric guitars  
with dirty pots or connections are used  
with a wireless system. If you hear  
scratchy noises, we suggest these steps  
to eliminate them:  
Position the receiver so it has the least  
possible obstructions between it and the  
transmitter. Line-of-sight is best.  
During operation, the transmitter and  
receiver should be as close as possible  
to each other for optimal results.  
Although placement of the receiver on  
the floor provides good performance in  
most applications, for best operation the  
receiver should be placed at least 3 feet  
(1 meter) above the ground and 3 feet  
(1 meter) away from a wall or metal  
1) Make sure all guitar volume and tone pots  
are clean and all contacts are solid. This is  
very important.  
2) Consider soldering a 47pF capacitor  
across the pot to ground terminal of the  
guitar’s volume and tone pots—this will  
provide extra filtering.  
surfaces. The transmitter should also be  
at least 3 feet (1 meter) from the receiver.  
13  
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MGT-16 DIP-Switch  
Frequency Selection Chart  
Frequency Plan: 902.4MHz-923.7MHz (16 Channels) u.s.  
Channel selection Frequency  
Channel selection Frequency  
1
2
3
4
5
6
7
8
902.4  
904.8  
905.4  
906.7  
907.8  
909.8  
910.8  
911.2  
9
913.9  
914.0  
916.0  
917.9  
919.7  
920.0  
921.1  
923.7  
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
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Accessories  
Part number  
Description  
AC-MGT-16  
10VDC/200mA AC/DC receiver power supply adapter included  
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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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  
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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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