Nady Systems 401 Musical Instrument User Manual
Contents
1. 401 OVERALL SYSTEM Frequency Response Dynamic Range Total Harmonic Distortion RF Carrier Frequency Range Frequency Stability Modulation Operating Range 401 TRANSMITTERS Audio Inputs e WHT 15 e WLT 15 WGT 15 e LINK 2 Controls WHT 15 e WLT 15 WGT 15 e LINK 2 LED Indicator RF Power Out Harmonic amp Spurious Emissions Battery Battery Life Dimensions e WHT 15 e WLT 15 WGT 15 e LINK 2 Weight w o battery e WHT 15 e WLT 15 WGT 15 e LINK 2 401 RECEIVER Controls Connectors Receiver LED Indicators Dimensions Weight Power Requirements Antenna Connectors PERFORMANCE 25 20 000 Hz 3dB 120dB lt 0 3 169 216 MHz 0 005 crystal controlled FM F3E 20KHz max Up to 250 ft typical depending on site conditions up to 500 feet optimum line of sight Nady DM 10D neodymium dynamic cartridge 3 5mm mono locking jack for connecting to omni or unidirectional lavalier mic or unidirectional headworn mic with phantom power WLT 15 or connecting to instrument cable WGT 15 Locking XLR jack for connecting to microphone or cable with selectable phantom power OFF STANDBY ON switch OFF STANDBY ON switch input level adjust OFF STANDBY ON LO HI Level and ON OFF Phantom power switch Unit ON single flash Low Battery Alert steady 50mW Max allowed by FCC gt 40dB 9V Alkaline Up to 15 hours 9 5 X 1 4 Diam 24 1 X 3 5 cm 4 1 X 2 4 X 0 8 102. OWNERS MANU NE CONTENTS Tntrod cton Anieri nrar E NER ecdv dave E E A doh ota eas 3 System Peat re S neea rE Ee eE E E E E O a E E E E ORRE A 4 Operat ON sar a eE EE E E E EREE E EEE E EE EROE i 5 PAO RECEIVE zirri n ERASE APEA ARTERE OR E e WHT 15 Handheld Microphone Transmitter e WLT 15 Lavalier Lapel or Headworn Microphone sssssssssssssssssesesestssssisisissesesesestsrsne 10 e WGT 15 Instrument Bodypack Transmitter ssssssssssessesesesesestssesesesesrssesenisssensenesesesesne 12 lt LINK 2 Plug In Transmitter ereina aner E R E i as 14 Specification riemen n RE ERA EAA EE AEN ANE E AREE 17 SEVE er E eE E EE E EEA ET E EEE E E 18 INTRODUCTION Thank you for purchasing a Nady 401 VHF Wireless Microphone System and congratula tions on your choice The 401 VHF is by far the best price performance value available in multiple channel wireless systems Please read the instructions in this manual completely before operating your unit Using This Manual This booklet provides instructions for the operation of the Nady 401 four channel VHF wire less including handheld instrument lavalier headmic and plug in transmitter systems Features of the 401 are listed followed by step by step instructions explaining how to oper ate your new system After reading the receiver instructions turn to the section of the book let that covers the type of transmitter used with the system you have purchased Each section
3. 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 31 on the WGT 15 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 28 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 produce 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 termi nals of the guitar s volume and tone pots SS SS S OD OPERATION Opening Battery Compartment OPERATION The LINK 2 Plug In Transmitter 1 Transmitter Set Up First slide open the BATTERY COMPARTMENT DOOR 39 to expose compartment Insert a fresh 9V ALKALINE BATTERY 41 observing polarity Close the battery com partment door 2 Handheld Microphone Installation e Step 1 Rotate the transmitter s thr
4. ON e Low battery LED indicator flashes once for unit ON lights steady for low battery alert e Locking 3 5mm mini jack provides secure connection for removable microphone or instrument cable e Easily accessible input level adjust control for optimum sound LINK 2 Plug In Transmitter e Plug in transmitter converts your favorite XLR handheld or lavalier microphone to wire less instantly e Rugged construction and positive locking connector for reliable performance e Selectable phantom power and LO HI audio input level e Optional leatherette pouch with clip available for use as bodypack OPERATION 401 Receiver 1 Rackmounting the Receiver The 401 receiver is supplied with RACK EARS 1 which can be attached with the screws provided on the front of the side panels to enable rackmounting 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 401 Always ensure adequate airflow and heat dissipation in any rack configuration 2 Powering the Receiver Plug the 12V AC DC ADAPTER 2 provided into the DC INPUT JACK 3 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 Turn VOLUME CONTROL 11 for all four channels counterclockwise to mimimum locat ed on the back of the receiver Once the receiver is connected to a power source press the P
5. battery the indicator will either not go on at all or stay on continuously indicating a battery voltage below 7V If this occurs replace with a fresh 9V battery Remember to turn the transmitter off when not in use b The Link 2 is now ready to use The AF DISPLAY LEDs 9 on the 401 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 401 receiver instructions The AF LEVEL LED DISPLAY 9 on the 401 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 Link 2 transmitter gain with the VOLUME LO HI GAIN SWITCH 35 Set for the maximum possible level without noticeable distortion on the high level peaks Set the GAIN SWITCH to LO to decrease the audio level and set the GAIN SWITCH to HI to increase the audio level The red LED indicator should flicker 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
6. 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 Headworn gain and thus are also more prone to feedback than close source mics such as handheld or Microphone 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 OPERATION Opening Battery Compartment lt OPERATION WGT 15 Instrument Bodypack Transmitter 1 Snap open the BATTERY COMPARTMENT 25 and insert a fresh 9V BATTERY 26 observing the correct polarity Close the compartment The WGT 15 is provided with a 3 5 mm LOCKING JACK 27 for connecting the INSTRUMENT CABLE 28 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 ma
7. 4 X 6 1 X 2 0 cm 4 5 X 1 5 X 1 25 11 4 X 3 8 X 3 2 cm 6 9 oz 193 g 3 6 oz 101 g 2 6 oz 71 g Power ON OFF volume control mute control 4 unbalanced adjustable and single mixed all four channel 1 4 audio out jacks 2 1 mm barrel type DC input jack tip positive Power ON 5 LED AF level displays TX on 401 1 75 x 7 5 x 16 5 4 4 x 19 x 42 cm 4 5 lbs 2 Kg 12V 400mA nominal AC DC adapter supplied Dual SO 239 jacks a SERVICE U S Should your Nady 401 Wireless Microphone System require servicing please contact the Nady Service Department via telephone at 510 652 2411 or e mail to service nady wireless com for a Return Authorization R A Number and a service quote if out of warran ty Make sure the R A Number is clearly marked on the outside of the package when you sent it in and enclose a cashier s check or money order if not prepaid with a credit card Please ship the unit prepaid to Nady Systems Inc Service Department 6701 Shellmound Street Emeryville CA 94608 Please include a brief description of the problem you are experiencing The warranty card enclosed with this system contains additional valuable warranty and service information Keep it in a safe place for possible future reference Do not attempt to service this unit yourself as it will void the warranty International For service please contact the Nady distributor in your country through the dealer from whom you
8. OWER SWITCH 4 to ON position The TX LED INDICATOR 5 on the front panel of the receiver will not light up until one or more of the four channels is receiving a signal from your system s transmitter 3 Antennas The ANTENNAS 6 assembly consists of two antennas Connect antennas into the ANTEN NA JACKS 7 on the back of the receiver Extend the antennas fully to obtain maximum range Position ANTENNAS 6 at 45 degrees from the horizontal 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 4 Mute Squelch Adjustment In normal operation the MUTE CONTROL 8 should be set fully counterclockwise to the factory preset minimum RF level of 1u V for maximum sensitivity Doing so sets each receiver for maximum range However in areas of high RF activity the mute or squelch as it is sometimes called may need to be adjusted to compensate for the adverse conditions in a particular location If with the transmitter off its corresponding LED on the receiver front panel flickers or stays on the MUTE CONTROL 8 should be turned clockwise until the LED extinguishes For each of the four channels when the Mute is properly adjusted the corresponding LED will light only when the system s transmitter is turned on Turning the MUTE CONTROL 8 too far clockwise will result in reduced range but yield a quieter sig nal du
9. 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 OPERATION 32 33 34 35 36 37 38 39 40 41 Optional Pouch XLR Connector Connects microphone to the transmitter module for signal input Locking Ring Locks microphone to the transmitter Optional Pouch For lavalier bodypack operation with beltclip and strap ring for securing Gain Control Switch Adjusts the input sensitivity LO or HI Low Battery LED Single flash power on lit steady low battery Power Switch Turns the power ON STANDBY OFF In standby position the power is on and the audio is off Phantom Power ON OFF Switch Turns the phantom power ON OFF Battery Compartment Release Button Press to release XLR connector 9V Alkaline Battery SPECIFICATIONS
10. battery can last up to 15 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 15 by sliding the OFF STANDBY ON SWITCH 15 to the STAND BY position transmitter on audio muted or the ON position transmitter and audio both on The BATTERY INDICATOR LED 16 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 The TX LED INDICATOR 5 on the 401 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 401 receiver instructions The AF LEVEL LED DISPLAY 9 on the 401 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 If this occurs back off from the microphone until the red LED indicator only flickers on peaks Note Ob
11. e 3 Turn on the WLT 15 by sliding the OFF STANDBY ON SWITCH 22 to the STAND BY position transmitter on audio muted or the ON position transmitter and audio both on The BATTERY INDICATOR LED 23 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 The TX LED INDICATOR 5 on the 401 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 401 receiver instructions The AF LEVEL LED DISPLAY 9 on the 401 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 24 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
12. eaded LOCKING RING 33 clockwise toward the XLR CONNECTOR 32 until it stops e Step 2 Hold your mic in one hand and The Link 2 in the other e Step 3 Plug your mic into the XLR CONNECTOR e Step 4 Lock the mic into place with the adjustable threaded LOCKING RING by rotating the ring counterclockwise to the top of the transmitter e Step 5 To release the XLR CONNECTOR turn the threaded LOCKING RING clockwise and press the RELEASE BUTTON 40 3 Lavalier Microphone Installation The lavalier microphone you are using must terminate with an XLR connector and conform to the pin assignments shown below If they do not conform you must use an appropriate adapter or the lav mic may not work with the Link 2 If you have any questions please con tact your Nady dealer or Nady Systems Customer Service Department Note the pin assignments on The Link 2 s XLR connector are as shown Q Ground 6 2K XLR 6 5K Phantom Volt full 9V battery Connector voltage switchable Top View gt gt Mic Input Note Select phantom power as needed with the PHANTOM POWER ON OFF SWITCH 38 OPERATION 4 Microphone Operation a Turn on The Link 2 by sliding the ON STANDBY OFF SWITCH 37 to the STANDBY position transmitter on audio muted or the ON position transmitter and audio both on The LOW BATTERY INDICATOR LED 36 will give a single quick flash indicating usable battery strength In case of dead or low
13. or mixing board Adjust the VOLUME CONTROL 11 on the 401 receiver clockwise to about 3 4 rotation until the volume level is comfortable for your applica tion This setting is roughly equivalent to a direct instrument cord connection Turning the volume up to maximum will provide 4dB gain over a cord b Microphone Connection using the WLT 15 transmitter with either a headset or lavalier microphone or the WHT 15 handheld microphone transmitter To use the 1 4 line level AF OUTPUT JACK 10 follow the instructions for the Instrument Connection above except start with the receiver volume at 1 2 MAX and adjust the volume control until the volume level is optimal If the volume control is set too high you may overload your mixer or amp OPERATION Rack Ears 12V AC DC Adapter Antennas 401 Front JAD we Channel F Channel2 401 VHF Wireless System fwe Channel 3 Channel 4 date elean ah celled Four Independent Receives WSS SSS eS 401 Back i Antanas AFEA 21200 2222 Antenna A 7 10A 11 10B OPERATION WHT 15 Handheld Microphone Transmitter 1 Unscrew the BATTERY COMPARTMENT COVER 12 and remove exposing the BATTERY HOLDER 13 Insert a fresh 9V ALKALINE BATTERY 14 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
14. purchased this product Nady wireless microphone systems are type accepted under FCC rules parts 90 74 and 15 This device complies with RSS 210 of Industry amp 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 ADI SYSTEMS INC NADY SYSTEMS INC 6701 SHELLMOUND STREET EMERYVILLE CA 94608 Tel 510 652 2411 e Fax 510 652 5075 www nadywireless com
15. ring dropouts or at the end of the operating distance range OPERATION 5 Connecting the Audio Output The output stage of each channel and the separate mixed output of all four channels of the 401 VHF are all configured for unbalanced lines with an output impedance of 600 ohms to accommodate both balanced and unbalanced lines For each channel you wish to use insert an audio cord with a 1 4 mono plug into its AF OUTPUT 10A jack on the back of the receiver Plug the other end of each cord into your amplifier effects or mixing board Turn VOLUME CONTROL 11 on 401 VHF Receiver clockwise to near full gain Adjust volume up or down so that no audio distortion is present when amp or mixer is set at its usual level Note To prevent possible undesired noises during use leave the volume controls of unused channels with the corresponding transmitter off turned off in the amp or mixer The audio should only be live if the transmitter is on If you want to use the 401 VHF as its own mixer you can connect to the MIX AF OUTPUT 10B which provides a mixed output of up to all four channels with the relative volume of each channel in the mix determined by that channel s VOLUME CONTROL 11 a Instrument Connection using the WGT 15 instrument transmitter Insert an audio cord with a 1 4 mono phone plug in the AF OUTPUT JACK 10A on the rear panel of the receiver Plug the other end of the cord into an amplifier effects
16. serve 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 OPERATION 12 OPERATION WLT 15 Lavalier Lapel or Headworn Microphone Bodypack Transmitter 1 Snap open the BATTERY COMPARTMENT 17 and insert a fresh 9V BATTERY 18 observing the correct polarity Close the compartment 2 The WLT 15 is provided with a 3 5 mm LOCKING JACK 19 for connecting the micro phone Plug in either the LAVALIER LAPEL 20 or the HEADWORN MICROPHONE 21 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 possibl
17. will give you detailed operating instructions Also included in this manual are system specifi cations and servicing information SYSTEM FEATURES 401 Receiver e Four independent VHF receivers in one convenient rugged all metal single rack space housing makes operating 4 wireless systems at the same time easier than ever e Rear mount dual antenna jacks for either onboard or remote antennas e Front panel Power ON OFF switch plus Power ON TX ON and 5 segment AF signal level LED displays e Rear panel individual 1 4 AF Out phone jacks volume and RF mute controls for each of the 4 channels and 4 Channels Mixed AF Out 1 4 phone jack e Noise free transmitter ON OFF operation e High performance unmatched transparent audio with 120 dB dynamic range and up to 250 feet optimum line of sight operation WHT 15 Handheld Microphone Transmitter e Features the Nady DM 10D unidirectional neodymium dynamic cartridge for optimum true sound maximum feedback rejection and minimal handling noise e OFF STANDBY ON switch allows convenient audio muting with the transmitter ON e Low battery LED indicator flashes once for unit ON lights steady for low battery alert e Rubber easy mount mic clip included WGT 15 amp WLT 15 Bodypack Transmitters e Choice of instrument WGT 15 or headworn lavalier microphone WLT 15 bodypack transmitter e OFF STANDBY ON switch allows convenient audio muting with the transmitter
18. y reduce the effective operating range 2 Turn on the WGT 15 by sliding the OFF STANDBY ON SWITCH 29 to the STAND BY position transmitter on audio muted or the ON position transmitter and audio both on The BATTERY INDICATOR LED 30 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 15 transmitter is now ready to use The TX DISPLAY LEDs 5 on the 401 receiver should now be lit indicating a received signal from the transmitter Adjust the vol ume of the receiver as per the Audio Output Instrument Connections section of the above 401 receiver instructions For optimum performance an INPUT LEVEL CONTROL 31 is provided on the top panel of the WGT 15 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 9 on the 401 receiver will light up to 5 LEDs 4 green
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