Nady Systems MGT16A Musical Instrument User Manual
Contents
1. ASC IR SYNC INFRARED LED WINDOW 12 POWER ON LED Indicates the receiver is On For downloading selected Channel 13 MUTE SQUELCH CONTROL Adjust with a small Freguency to transmitter screwdriver inserted in slot Controls the POWER SWITCH Select OFF MUTE ON mute level for the receiver turn counter MUTE power On audio output highly clockwise for maximum range turn clockwise attenuated if needed to minimize noises from outside VOLUME CONTROL Adjusts the audio output RF interference upon muting level at maximum setting the gain will Note Set control carefully If trim pot be about 4dB over a direct instrument to is turned past minimum and maximum cord to amp connection adjustment points it may need to be backed CHANNEL SELECT DIP SWITCH Select one of up to achieve desired setting 16 pre set channels per MGT 16 DIP Switch 14 ASC IRSYNC BUTTON Press to make the IR link Frequency Selection Chart see page 14 download the receiver s selected frequency to BATTERY COMPARTMENT Insert two AA the TX First turn on the MT 16A R transmitter batteries for optional DC operation or turn off and then on again if already on and note correct polarity position its IR window 6 12 away from the BATTERY COMPARTMENT COVER 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 l2. MGT 16 System Features MGT 16 System Features e UHF wireless system for guitar bass 16 user selectable PLL frequencies for interference free operation e Up to 250 operating range line of sight e Infrared ASC Auto Sync Channel transfer from receiver to transmitter for instant setup e Battery operated receiver and transmitter MGT 16 Receiver e Compact portable pedal style receiver Dual wave antennas e Infrared sync with transmitter for instant setup e Unbalanced 14 line out jack e 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 e Powered by DC adapter included or two AA alkaline batteries for portability up to 8 hours battery life MT 16A amp MT 16R Transmitters e Choice of two transmitter housings MT 16A with 30 angled 14 plug for use with either recessed or surface mounted jacks or MT 16R with 90 angled 44 plug for surface mounted jacks only e Up to eight hours of battery life from a single AAA alkaline or NIMH rechargeable battery e Infrared channel sync with receiver for instant setup e Power On Off switch Power Low Battery LED indicators IR Sync LED Input level attenuation switch Internal audio level control trim pot e External flexible antenna Ouick User Controls Guide MGT 16 Instrument Receiver
3. 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 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 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 13 MGT 16 DIP Switch Freguency Selection Chart Frequency Plan 902 4MHz 923 7MHz 16 Channels U S Channel Selection Frequency Channel Selection Frequency 1 NGERI 9024 9 AREA 913 9 2 H 904 8 10 WOWA 914 0 3 TIRE 9054 11 TARAS 916 0 4 BEBE 9067 12 BUBB 917 9 5 D 907 8 13 DRAA 9197 6 H 909 8 14 UAAA 9200 7 910 8 15 ARABA 921 8 911 2 16 UNU 9237 Accessories Part Numbe
4. for that purpose It is for use only in extreme cases during which satisfactory audio cannot be achieved with the pad alone 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 rom the receiver s IR Synch Window Press he IR Sync Button 14 once to begin the IR sync download of the selected freguency o the transmitter Upon successful data ransfer usually in less than two seconds he transmitter will transmit a radio signal on the same channel freguency as he receiver The Signal LED 10 on the receiver will light up indicating that the ink 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 10 When programming is finished close the
5. instrument as when using a hard wired cord Specifications MGT 16 SYSTEM Freguency Response Dynamic Range Oscillating System Total Harmonic Distortion THD RF Carrier Freguency Range Modulation Operating Range MGT 16 RECEIVER Controls Connectors LED Indicators Antennas Signal to Noise Ratio Receiver Sensitivity Sguelch Sensitivity Output Impedance Power Consumption Battery Battery Life Dimensions Weight w o batteries Housing Construction MT 16A R TRANSMITTER RF Power Out Harmonic amp Spurious Emissions Controls LED Indicators Input Impedance Power Consumption Battery Battery Life Antenna Dimensions Weight w o batteries Housing Construction 50Hz 16kHz 3dB 120dB Phase Lock Loop PLL lt 0 8 902 40MHz 923 70MHz FM F3E 30KHz normal Up to 250 feet typical depending on site conditions Audio Level Power ON MUTE OFF Frequency Select DIP switches IR sync button Unbalanced 14 DC Adapter input jack Power ON Red continuous Low Power Orange continuous RX reception Green Dual 4 wave adjustable orientation gt 105dB w AC DC power supply 110dBm nominal 12dB SINAD 95dBm minimum normal setting adjustable 1 0KQ DC 3V 115mA or AC DC adapter 10VDC 200mA Two AA alkaline or NiMH Up to 8 hours 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 25MW nominal 50mW maximum 50dB Power ON OFF 15dB
6. Attenuation Pad select switch Power ON Red single flash Low Battery Red flash 500KQ DC 1 5V 90mA One AAA alkaline Up to 8 hours Ya wave permanently attached T 16A 4 5 W x 2 0 D x 1 0 H 11 43 cm x 5 08 cm x 2 54 cm T 16R 3 5 W x 2 5 D x 1 0 H 8 9 cm x 6 35 cm x 2 54 cm T 16A 1 2 oz 34 9 T 16R 1 1 oz 31 2 g ABS Plastic Specifications subject to change at any time without prior notice for purposes of product improvement 11 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 Sguelch Adjust 13 see Adjusting the Sguelch 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 Channe
7. D sensor for linking the TX to the RX during IR frequency download 22 BATTERY COMPARTMENT Insert one AAA battery observing correct polarity IR Sync Selected Freguency Download from MGT 16 Receiver to MT 16A R Transmitter 1 ASC IR SYNC INFRARED LED WINDOW For downloading selected Channel Frequency to transmitter 21 IR RECEPTOR SENSOR WINDOW Infrared LED sensor for linking the TX to the RX during IR frequency download 14 ASC IR 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 System Operation MGT 16 Wireless Instrument Receiver Antennas The MGT 16 receiver is supplied with 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 Powering the Receiver The MGT 16 receiver can operate with either two AA size batteries DC op
8. OWNER S MANUAL y MGT 16 16 Channel Mini UHF Wireless Instrument System Contents Introduction a n Ren an en nan en Naa an A RA 2 UsingsthisiManya Eee ET ea an na ana Na Sena 2 Systermikeature Sen N 3 OuickUser Controls Gude EEE n 4 System Opera Uom E RR an nan 7 MEI Wirelessilnsiu menu eco ver 7 MESIA RU NSELUmEN Aa SI ee E 9 SPECIHICAONS LOTO 11 CAutonsia NAM QUIERO 12 MISCEllaneoUsslipst CTER RR ee i e ae aa eet an og 13 VIGIEN6D P SwitehiFrneguency Second 14 ACCESSONESE Dn in 14 SCIVICCI NO MANO LN N 14 WITV SR i i 15 Introduction Thank you for choosing the Nady MGT 16 wireless system we know you will be very pleased with its performance and features The Nady MGT 16 is a 16 channel ultra compact UHF wireless system designed for guitar and bass The MGT 16 has 16 selectable frequencies up to 250 operating range and infrared ASC Auto Sync Channel transfer for quick convenient setup The stomp box size receiver can be placed anywhere you choose even on stage next to your effects pedals The miniature lightweight MT 16A or MT 16R transmitter plugs directly into any guitar or bass even into a portable keyboard output jack Using This Manual This booklet provides information regarding the use of the MGT 16 Wireless Instrument System and includes a description of features and a step by step guide to operation of the unit This manual should answer any questions you may have about the operation and servicing of your
9. 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 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 MT 16A R Instrument Transmitter Powering the Transmitter The MT 16A R Instrument transmitter reguires 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 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
10. battery compartment door ensuring that it latches The MT 16A R is now ready for use Note Manually matching the transmitter freguency 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 During normal operation with the uni 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 While playing the audio level should be adjusted on the
11. ch 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 Conseguential 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 conseguential 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 Thi
12. eration or with the supplied AC adaptor AC operation 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 it is recommended that the batteries be replaced after six hours of use or as 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 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 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 Note When the AC adapter is used the installed batteries are automatically disconnected internally and are not operational The AC adapter only powers the unit and will not charge NiMH rechargeable batteries if installed For battery operation the AC adapter must be disconnected Note For quietest optimal performance use the AC DC adapter as battery op
13. eration 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 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 Adjusting the Squelch The RF Squelch 13 control should be adjusted counterclockwise to the minimum RF sguelch 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 sguelch 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 sguelch 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 function which may be desirable in certain applications The squelch l
14. evel is factory preset at maximum sensitivity and operating range i e counterclockwise for minimum squelch maximum usable range 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 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 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 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 Note To insure proper synchronization the transmitter must always be
15. ge 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 AD SYSTEMS INC 6701 Shellmound Street Emeryville CA USA 94608 T 510 652 2411 F 510 652 5075 www nady com
16. hould be kept away from any metal surfaces whenever possible as they can reflect away or shield the incoming RF signal When inserting batteries make sure they are inserted with the correct polarity Before operation confirm that the receiver and associated transmitter are tuned to he same freguency channel 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 ime Do not mix new and old batteries or different types of batteries 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 surfaces The transmitter should also be at least 3 feet 1 meter from the receiver Keep antennas away from noise sources such as motors automobiles neon light signal processors computers and large metal objects A receiver cannot receive signals from two or more transmitters simultaneously
17. just turned on or else turned of then on again before synching When the RF Signal LED 10 on the receiver ights up the system freguency is properly synchronized To change to a different reguency reset the Freguency Select DIP Switches 4 and sync the transmitter again o the new selected frequency first after urning the transmitter off and then on again If no action is taken during the 10 seconds of active data transfer i e the ransmitter is not turned on or properly positioned the receiver and the transmitter units do not link and transmitter s previously programmed channel remains unchanged 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 Connecting Audio Output The MGT 16 receiver s Audio Output Jack 7 is a 14 unbalanced line out and its level is controlled by the Volume Knob 3 Plug an audio cable with a 4 mono tip sleeve plug into the
18. l 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 Itis important to note that wireless freguencies 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 freguencies Note This reguirement 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 Miscellaneous Tips e The receiver antennas s
19. ocked in and transmitting 15 AA BATTERIES Two required for optional battery operation 16 POWER ADAPTER For AC operation included AUDIO OUTPUT JACK For connecting audio cable DC INPUT JACK For connecting external AC DC adapter for powering receiver ANTENNAS Dual wave SIGNAL LED Indicates the received signal from the transmitter LOW BATTERY LED Indicates batteries need replacement if not using power adapter Ouick User Controls Guide MT 16A R Instrument Transmitter MT 16R Straight plug Ch ESA MT 16A Angled plug 17 POWER SWITCH To power transmitter Off On 23 INTERNAL AUDIO LEVEL ADJUST Remove battery 18 15dB ATTENUATION PAD Select to reduce the to access slot and adjust internal trim pot input gain by 15dB for higher level audio with small screwdriver for optimal input input signals level setting Note this is to be done only in 19 INPUT PLUG Connect directly into rare cases as factory level setting is already guitar bass output jack optimized for most guitars and basses and 15dB Pad also available 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 24 ANTENNA Permanently attached antenna 25 BATTERY Single AAA alkaline or NiMH battery required for operation 26 BATTERY COMPARTMENT COVER 20 LOW BATTERY LED Indicates battery needs replacement 21 IR RECEPTOR SENSOR WINDOW Infrared LE
20. on and the receiver s RF Signal LED 10 will light up if the transmitter has been freguency synchronized to the receiver s selected freguency as per below 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 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 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 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 Note The Audio Level Adjust is not intended for high input signal adjustment the 15dB pad is provided
21. r 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 he Support page at www nady com for assistance Should your wireless 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 umber 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 o 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 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 su
22. s 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 packa
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