Emerson WM340 User Manual Download Page 5

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1.Comprehensive Performance

Carrier frequency

VHF175-216MHz

Frequency Stabilization : >

30ppm

Dynamic range:

> 90dB

Total harmonic distortion: < 0.5%
Frequency response:

40hz-18khz

3dB

Audio output level separate type:

400mV mix type 0-

200mV

2.Fixed Receiver

Power supply

AC12V/350mW

Consume power

5 Watts

Signal /noise power

> 80dB

Signal /noise ratio

> 80dB

Image &spurious rejection

> 80dB

Receiving sensitivity

< 5dBuv (SINAD=20dB)

3.Handing Microphone

Transmitter power

20mW

Modulation type

VHF

Max deviation

20KHz

Spurious emission

> 40dB (with carrier)

Battery Voltage

9V battery (included 2 pcs.)

Continuous play

6 hours ( Alkaline)

SPECIFICATIONS

4-CHANNEL VHF PROFESSIONAL-Wireless Microphone System

WM340

Summary of Contents for WM340

Page 1: ...Before operating this product please read these instructions completely User s Guide MODEL WM340 4 CHANNEL VHF PROFESSIONAL Wireless MicrophoneSystem ...

Page 2: ...Instruction Listening for a Lifetime Specifications Descriptions and Controls Microphone Front Panel Rear Panel Operations Operating the System Getting Connected Troubleshooting Problems and Solutions Feedback CONTENTS WM340 PAGE 2 4 5 6 6 7 8 9 11 12 WARNING TO REDUCE THE RISK OF FIRE OR SHOCK HAZARD DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION...

Page 3: ...s should be taken so that the grounding or polarization means of an appliance is not defeated 12 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them playing particular attention so cords at plugs convenience receptacles and the point where they exit from the appliance 13 Cleaning Unplug this unit from...

Page 4: ...rtable levels If you hear distortion in the sound it s a good indication your equipment is being pushed to its limits and the volume is too high Used wisely your sound equipment will provide a lifetime of fun and enjoyment Hearing damage from loud noise is often undetectable until is too late This manufacturer and the Electronic Industries Association s Consumer Electronics Group recommend you avo...

Page 5: ... Receiver Power supply AC12V 350mW Consume power 5 Watts Signal noise power 80dB Signal noise ratio 80dB Image spurious rejection 80dB Receiving sensitivity 5dBuv SINAD 20dB 3 Handing Microphone Transmitter power 20mW Modulation type VHF Max deviation 20KHz Spurious emission 40dB with carrier Battery Voltage 9V battery included 2 pcs Continuous play 6 hours Alkaline SPECIFICATIONS 4 CHANNEL VHF PR...

Page 6: ...ery cover may cause damage to microphone body Receiver Receives signal from transmitters Front Panel Controls 1 Antennas A B C D to match the corresponding microphone s frequency setting Each microphone has a unique frequency so as not to interefere with each other 2 Power Switch Turns receiver On Off 3 Echo Switch Adjust the level of the echo function 4 Volume controls A B C D are for adjusting e...

Page 7: ...rols 1 MIC UNBALANCED OUTPUT Audio out 6 3mm to amplifier 2 XLR BALANCED OUTPUTS Individual XLR outputs to mixer 3 RCA Jacks Audio Video inputs outputs Accept input from DVD players MP3 players iPod etc Output to TV stereo amplifiers powered speakers etc 4 DC12V Connect supplied 120V 12VDC adaptor to this jack ...

Page 8: ...as If using multiple wireless systems maintain a distance of at least 10 feet from each other Maintain a line of sight between the microphone and receiver antennas Avoid placing the receiver near computers or radio frequency generating equipment Extend the telescopic antennas to full length Position the microphone close to your mouth and move accordingly for achieving desired sound results Move th...

Page 9: ...ER OR HOME STEREO R L iPod Cable Connecting to DVD Player and TV Stereo Connecting to iPod Video and TV Stereo RCA out of DVD player to WM340 IN RCA cable out of WM340 to TV and Stereo IN iPod 3 5 headphone Jack to WM340 IN RCA cable out of WM340 to TV and Stereo IN 4 CHANNEL VHF PROFESSIONAL Wireless Microphone System WM340 MIC OUT BALANCE D BALANCE D BALANCE D BALANCE D AUDIO R AUDIO L VIDEO AUD...

Page 10: ...aoke Machine Rear panel Karaoke CDG and CD Player Mic Input Microphone Battery Installation Rotate a battery door on the bottom until open and replace a 9v batteries 9v Batteries battery door 4 CHANNEL VHF PROFESSIONAL Wireless Microphone System WM340 MIC OUT BALANCE D BALANCE D BALANCE D BALANCE D AUDIO R AUDIO L VIDEO AUDIO R AUDIO L VIDEO INPUT FROM DVD OUTPUT TO TV STEREO DC 12V MIC OUT BALANC...

Page 11: ... VOLUME level controls Check for proper connection between receiver and external amplifier mixer Talk into the Microphone and observe the Receiver s RF signal LEDs If they glow the problem is elsewhere in the sound system Check Microphone batteries or replace if power is low Remove local sources of RF interference such as lighting equipments Two transmitters may be operating at the same frequencie...

Page 12: ...owing for a lower master volume Reduce the distance from microphone and lips Each time this distance is halved the sound system output will increase approximately 6dB mostly in the low frequency range Reduce the number of open microphones Move the speaker s closer to the listeners Use an equalizer feedback reducer to cut the offending frequency bands Important Every wireless microphone installatio...

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