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Welcome

Thank you for choosing Hill Audio for your sound system. To make sure that this product meets your 
expectations and provides long-term, reliable performance, please read and follow this instruction 
manual carefully. 

Important safety instructions

    Read these instructions and all markings on the product. Keep these instructions.
    Heed all warnings and instructions, both in this manual and on the product. 
    Clean only with a dry cloth. Unplug from AC supply before cleaning. 
    Do not use this product near water and avoid any exposure to water. 
    Before connecting this product to any AC supply, make sure to check whether the AC mains vol- 
tage and frequency match the indication on the product and its packaging.  
    Only connect this product to an AC supply with sufficient power handling, protective earth con- 
nection, ground-fault (earth-fault) protection and overload protection. 
    Disconnect the product from the AC supply during thunderstorms or longer periods of being 
unused. 
    Make sure any heat sink or other cooling surface, or any air convection slot , is exposed sufficiently 
to free air circulation and is not blocked. 
    Do not operate this product in environmental temperatures exceeding 35 degrees Celsius and/or 
85% relative humidity. 
    Position the product in a safe and stable place for operation, out of reach of unauthorized persons.       
    Make sure any cable connections to and from the product are neither subject to potentially des-
tructive mechanical impact nor present any risk of stumbling or other accident risk to people. 
    Audio equipment may generate sound pressure levels sufficient to cause permanent hearing 
damage to persons. Always start up at low volume settings and avoid prolonged exposure to sound 
pressure levels exceeding 90 dB.
    Do not open this product for service purposes. There are no user-serviceable parts inside.
Warranty will be void in any case of unauthorized service by the user or other not authorized persons. 
    Take any precaution required by local law, applicable regulations or good business practice to avoid 
injury of people or material damage by use of this product. 

Explanation of symbols used in this manual and on the product:

DANGER!

Safety hazard. 

Risk of injury or death.

WARNING!

Fire hazard.

WARNING!

Hazardous voltage.

Risk of severe or fatal

electric shock.

ATTENTION!

Read manual

before installation

and operation.

Manual Language

UK 

This user manual is written in English. For other languages, visit    

www.hill-audio.com

FR 

Ce guide est écrit en anglais. Pour les autres langues, visitez: 

  

www.hill-audio.com

DE  

Diese Anleitung ist in Englisch verfasst. Für andere Sprachen: 

 

www.hill-audio.com

ES  

Este manual está escrito en Inglés. Para otros idiomas, visite:  

 

www.hill-audio.com

PT  

Este manual está escrito em Inglês. Para outros idiomas, visite:    

www.hill-audio.com

IT  

Questo manuale è scritto in inglese. Per altre lingue, visitare: 

 

www.hill-audio.com

PAGE 1

USER MANUAL - WMU401 4-LINK UHF WIRELESS MICROPHONE

Summary of Contents for WMU-401

Page 1: ...RevA 10 2014...

Page 2: ...ns to and from the product are neither subject to potentially des tructive mechanical impact nor present any risk of stumbling or other accident risk to people Audio equipment may generate sound press...

Page 3: ...ectromagnetic disturbances both conducted and radiated up to a certain level Under peak conditions the unit is classified to show a class C performance criteria and may encounter temporary degradation...

Page 4: ...PAGE 3 2 4 9 10 7 8 6 5 Output Section Power Section Controls and Connections Receiver Connections Rear USER MANUAL WMU401 4 LINK UHF WIRELESS MICROPHONE 1 3...

Page 5: ...MANUAL WMU401 4 LINK UHF WIRELESS MICROPHONE User Interaction Elements Transmitter Handheld Transmitter OPEN CLOSE 2xAA R6 Mignon Battery 15 14 13 Front view Rear view Top view OPEN CLOSE 2xAA R6 Mig...

Page 6: ...controlled via the front panel controls 10 of each receiver module Antenna sockets TNC and antennas The supplied antennas shall be fixed to the sockets by completely inserting the plug and tightening...

Page 7: ...only audio mute middle position and radio and audio on Whenever not in use switch the transmitter off to save battery power Transmitter Battery cover This part covers the battery compartment 16 On the...

Page 8: ...ch the supplied rack ears with the contained screws securely with ALL screws placed and tightened as shown below Making connections Based on the setup connect the 4 individual outputs to the microphon...

Page 9: ...evel meters and displays allow you to make sure that signals do not enter critical levels Avoid unnecessary amplification by using as little attenuation as possible For example if you turn down the in...

Page 10: ...hield black tip sleeve tip sleeve red tip shield sleeve red tip black sleeve shield uncon 3 1 2 plug side 3 1 2 cable side red 2 black 3 shield 1 red 2 shield 1 3 2 3 1 3 1 2 3 1 2 cable side plug sid...

Page 11: ...m THD 0 5 1kHz System frequency response 50Hz 18kHz 3dB Receiver image rejection 85dB typ Receiver spurious rejection 75dB typ Transmitter RF power 10mW Transmitter spurious emissions 40dB from carrie...

Page 12: ...that the equipment Hill Audio WMU 401 is in conformity with the following directives and standards or regulations and is marked as follows Shoeburyness 10 May 2013 Authorized Signature Place and date...

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