Nady Systems 401X Quad Manuel utilisateur

OWNER’S MANUAL

401x QUAD

4-Channel VHF Wireless Microphone System

Table of ConTenTs

System Features ................................................................................................................................2

Operation: 401X QUAD Receiver.......................................................................................................3

WHT Handheld Microphone Transmitter .........................................................................5

WLT Lavalier/Lapel or Headworn Microphone .............................................................. ..6

WGT Instrument Bodypack Transmitter...........................................................................8

Speciﬁcations ................................................................................................................................... 10

Service Information / Warranty......................................................................................................... 11

InTRoDUCTIon

Thank you for purchasing a Nady 401X QUAD VHF Wireless Microphone System. The 401X QUAD

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 401X QUAD four-channel VHF

wireless, including handheld, instrument, lavalier, headmic and plug-in transmitter systems.

Features of the 401X QUAD are listed, followed by step-by-step instructions explaining how to

operate your new system. After reading the receiver instructions, turn to the section of the booklet

that covers the type of transmitter used with the system you have purchased. Each section will

give you detailed operating instructions. Also included in this manual are system speciﬁcations

and servicing information.

sYsTeM feaTURes

401X QUAD Receiver

• 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

• Front-mountdualantennajacksforeitheronboardorremoteantennas

• FrontpanelPowerON/OFFswitch,plusPowerONLED,TXONandAFsignallevelLEDdisplays

• RearpanelindividualXLRAFOutputjacks,volumeandRFmutecontrolsforeachofthe

4-channels,and4-Channels-MixedAFOut1/4”phonejack

• Noise-freetransmitterON/OFFoperation

• Highperformance–unmatchedtransparentaudiowith120dBdynamicrangeandupto250+

feet optimum line-of-sight operation

WHT Handheld Microphone 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ashesonceforunit“ON”;lightssteadyforlowbatteryalert

WGT & WLT Bodypack Transmitters

• Choiceofinstrument(WGT-15)orheadworn/lavaliermicrophone(WLT-15)bodypacktransmitter

• OFF/STANDBY/ONswitchallowsconvenientaudiomutingwiththetransmitter“ON”

• LowbatteryLEDindicatorashesonceforunit“ON”;lightssteadyforlowbatteryalert

• Locking3.5mmmini-jackprovidessecureconnectionforremovablemicorinstrumentcable

• Easilyaccessibleinputleveladjustcontrolforoptimalsound

opeRaTIon

401x QUAD Receiver

1. Powering the Receiver

Plug the 16V AC/DC ADAPTER (1) provided into the DC INPUT JACK (11) on the back of the receiver.

Then plug the power supply into an AC outlet. [Note: Any 16V DC source with 800mA capability

can also be used.]

Turn VOLUME CONTROL (6) for all four channels counterclockwise to mimimum located on the front

of the receiver. Once the receiver is connected to a power source, press the POWER SWITCH (3) to

ON position. The POWER ON LED (4) indicator will light up.

The TX LED INDICATOR (7) 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.

2. Antennas

The ANTENNAS (2) assembly consists of two antennas. Connect antennas into the ANTENNA

JACKS (5) on the front of the receiver. Extend the antennas fully to obtain maximum range.

Position ANTENNAS (2) 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.

3. Mute (Squelch) Adjustment

In normal operation, the MUTE CONTROL (9) should be set fully counterclockwise to the factory preset

minimum RF level of 1μV 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ickersorstayson,theMUTE CONTROL (9)

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 (9) too far clockwise will result in reduced range, but yield a

quietersignalduringdropoutsorattheendoftheoperatingdistancerange.

4. Connecting the Audio Output

The output stage of each channel and the separate four channels mixed output of the 401X QUAD

areallconguredforadjustableunbalancedLINEandxedbalancedXLRlineormicrophoneaudio

outputs.Theadjustableunbalanced¼”mixoutisalowlevelLINEwithanoutputimpedanceof

600 ohms. The individual ﬁxed level balanced XLR out can be conﬁgured as high level line out with

11k ohms output impedance or microphone level out with a 600 ohms load impedance.

For each channel you wish to use, insert an audio cord with a balanced female XLR plug into its

AF OUTPUT (10)jackonbackofthereceiver.Plugtheotherendofeachcordintoyouramplier,effect

ormixingboard.Adjustvolumeonyourmixingboardsothatnoaudiodistortionin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401XQUADasitownmixer(youramplier,effectormixingboardshould

have12dBormoregainselecton),youcanconnecttotheMIX AF OUTPUT (8) which provides a

mixed line output of up to all four channels, with the relative volume of each channel in the mix

determined by that channel’s VOLUME CONTROL (6).

a. Instrument Connection (using the WGT instrument transmitter)

Insertanaudiocordwitha¼”monophoneplugintheAF OUTPUT JACK (8) on the rear panel of

thereceiver.Plugtheotherendofthecordintoamplier,effectormixingboard.Adjustthe

VOLUME CONTROL (6) on the 401X QUAD clockwise to about ¾ rotation until the volume level is

comfortableforyourapplication.Thissettingisroughlyequivalenttodirectinstrumentcord

connection. Turning the volume up to maximum will provide 4dB gain over a cord.

b. Microphone Connection (using the WLT transmitter with either a headset

or lavalier microphone or the WHT handheld microphone transmitter)

Insertanaudiocordwitha¼”monophoneplugintheAF OUTPUT JACK (8) on the rear panel of

thereceiver.Plugtheotherendofthecordintoamplier,effectormixingboard.Adjustthe

VOLUME CONTROL (6)onthe401XQUADclockwisetoabout½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.

Since your 401X QUAD is comprised of four separate and independent XLR output channels, it

can be used with either one, two, three or four channels operating. Simply turn your mixer volume

controlofanychannelwhichyouarenotusingtominimum.Ifthemixlineoutisused,justturn

down the 401X QUAD receiver’s volume controls.

16V AC/DC Adapter Antennas

8 9 10 11

3 64 7

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WHT 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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 ten hours of use.

2. TurnontheWHTbyslidingtheOFF/STANDBY/ON SWITCH (15)totheSTANDBYposition

(transmitteron,audiomuted)ortheONposition(transmitterandaudiobothon).TheBATTERY

INDICATOR LED (16)willgiveasinglequickash,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 (7) on the 401X QUAD 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 401X QUAD receiver instructions. The AF LEVEL LED

DISPLAY (7) on the 401X QUAD receiver will light up as if the input signals are getting stronger.

OccasionalickeringonandoffduringuseoftheLEDindicatorisnormal.However,ifthe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ickers

on peaks.

[Note: Observe care in selecting PA 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.]

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WLT 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isprovidedwitha3.5mmLOCKING JACK (19) for connecting the microphone. 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 possible.]

3. TurnontheWLTbyslidingtheOFF/STANDBY/ON SWITCH (22)totheSTANDBYposition(transmitter

on,audiomuted)ortheONposition(transmitterandaudiobothon).TheBATTERY INDICATOR LED

(23)willgiveasinglequickash,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 (7) on the 401X QUAD 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 401X QUAD receiver instructions.

The AF LEVEL LED DISPLAY (7) on the 401X QUAD receiver will light up as if the input signals are

gettingstronger.OccasionalickeringonandoffduringuseoftheLEDindicatorinthisdisplayis

normal, however if the 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ickersonlyontheloudestinputs.

[Note: Observe care in selecting PA 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.]

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Headworn

Microphone

Opening Battery Compartment

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WGT 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 may reduce the effective operating range.]

2. TurnontheWGTbyslidingtheOFF/STANDBY/ON SWITCH (29)totheSTANDBYposition(transmitter

on,audiomuted)ortheONposition(transmitterandaudiobothon).TheBATTERY INDICATOR LED

(30)willgiveasinglequickash,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.TheTX DISPLAY LEDs (7) on the 401X QUAD 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 401X QUAD

receiver instructions. The AF LEVEL LED DISPLAY (7) on the 401X QUAD receiver will light up as if

theinputsignalsaregettingstronger.OccasionalickeringonandoffduringuseoftheLED

indicator is normal. However, if the LED stays on continuously, turn down the instrument volume

control or noticeable distortion may result. For ultra high-gain instrument sources such as active

basspickupsorevenextrahotguitarpickups,anattenuationpadmayberequiredtoeliminate

unwanted distortion.

[Note: The INPUT LEVEL CONTROL (31) is not operable because it is preset and switched internally

at the factory to instrument GT input mode. The control is only used for Headworn Mic (HM)

and Lavalier (LT) input modes.]

[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 ¼” 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lteringwitha220pFcapacitorsolderedacrossthehottogroundterminals

oftheguitar’svolumeandtonepots.)

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Opening Battery Compartment

speCIfICaTIons

OVERALL SYSTEM PERFORMANCE

Frequency Response ...................................................................................................30-18KHz(-3dB)

Dynamic Range........................................................................................................120dB(20-20KHz)

Total Harmonic Distortion ............................................................................................. <0.5%(typical)

RF Carrier Frequency Range ................................................. 170-230MHz(FactoryinstalledChannels)

Frequency Stability ............................................................................... +/-0.005%,crystalcontrolled

Modulation..............................................................................FM(F3E),+/-15KHznor,+/-30KHzmax

Operating Range ........................................ 250feettypical—upto500+feetoptimumline-of-sight

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

 headwornmic,withphantompower(WLT);

 orconnectingtoinstrumentcable(WGT)

Controls

WHT .........................................................................................................OFF/STANDBY/ONswitch

WLT/WGT ....................................................................OFF/STANDBY/ONswitch,inputleveladjust

LED Indicator......................................................Unit“ON”(singleash),LowBatteryAlert(steady)

RF Power Out........................................................................................50mW(Max.allowedbyFCC)

Harmonic & Spurious Emissions.................................................................................................<-40dB

Battery............................................................................................................................... 9VAlkaline

Battery Life...................................................................................................................Upto20hours

Dimensions

WHT ....................................................................................... 9.5”X1.4”diameter.(24.1X3.5cm)

WLT/WGT ............................................................................4.1”X2.4”X0.8”(10.4X6.1X2.0cm)

Weight (w/o battery)

WHT .............................................................................................................................6.9oz(193g)

WLT/WGT ..................................................................................................................... 3.6oz(101g)

RECEIVER

Controls ...................................................................... Power ON/OFF, volume control, mute control

Connectors.............................................................. 1unbalancedadjustablemixed(allfourchannel)

 ¼”T-Saudiooutputjack.Linelevel,600ohms

 4balancedxedlevelXLR.#1=GND,#2-3=signals

Line/Mic level, 11k/600 ohms

Receiver.................................................................... 2.1mmbarrel-typeDCinputjack(tip=positive)

LED Indicators ................................................................. 1 Power ON LED, 4 AF LED, 4 TX ON LED

Dimensions ........................................................................... 1.75”x7.5”x16.5”(4.4x19x42cm)

Weight ............................................................................................................................4.5lbs(2Kg)

Power Requirements............................................... 16V@800mA,nominal,AC/DCadaptersupplied

Antenna Connectors............................................................................... Dual female BNC connectors

Autres manuels pour 401X Quad

Table des matières

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