User Handbook
Contents
1. Redbox RB MTV1 Contribution Voiceover Monitor With Talkback User Handbook n _ AA RB MTV1 USER HANDBOOK RB MTV1 USER HANDBOOK This handbook is for use with the following product Redbox RB MTV1 Contribution Voiceover Monitor With Talkback Sonifex Ltd 2009 All Rights Reserved Revision 1 01 January 2009 Sonifex Ltd 61 Station Road Irthlingborough Northants NN9 50E England Tel 44 0 1933 650 700 Fax 44 0 1933 650 726 Email sales sonifex co uk Website http www sonifex co uk Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor Sonifex Ltd shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording information storage and retrieval systems for any purpose other than the purchaser s personal use without the express written permission of Sonifex Ltd Unless otherwise noted all names of companies products and persons contained herein are part of a completely fictitious adaptation and are designed solely to document the use of Sonifex product SONIFEX Redbox RB MTV1 User Handbook CONTENTS Warranty and Liability i Unpacking the RB MTV1 iii Returning the Warranty Card Safety Information Safety of2. JJ m gt J V gt m gt A O Z J N Ro Z U A gt O po N N c O gt lt x od O og N O c f OQ U LU lt a c lt LA REAR PANEL CONTROLS amp INDICATORS CENTAS Microphone Input The microphone input is an electronically balanced mono mic level input that is routed directly to the MIC headphone level control on the front panel to adjust the mix into the headphones The microphone audio appears on the two main outputs whenever the electronically latching MIC button has been pressed and illuminated The microphone signal is switchable on to the lazy talkback output by pressing the TALK button The XLR socket has the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase Remote Inputs amp Outputs The 9 way D type socket offers the following connections Pin 1 Remote Mic switch input make to common pin 6 Pin 2 Mic indicator opto coupled NPN collector output Pin 3 Talk switch make to common pin 8 Pin 4 Talk indicator opto coupled NPN collector output Pin 5 5V feed 0 2A maximum Pin 6 Mic common OV Pin 7 Mic indicator opto coupled NPN emitter output Pin 8 Talk common OV Pin 9 Talk indicator opto coupled NPN emitter output DIPSwitch Configuration Settings Rear Panel DIPSwitch f a Default Setting No Function When DIPSwitch is ON Setting 1 Plus 20dB Mic Gain OFF Phantom Power O
3. MIC input With DIPSwitch 6 set to OFF the metering is disabled whilst the TALK button is pressed With DIPSwitch 6 set to ON the metering permanently shows the microphone input level Remote Option The Remote Mic switch input Pin 1 of the Remotes can be controlled by a latching or momentary switch With DIPSwitch 7 OFF a momentary switch will operate it With DIPSwitch 7 ON the remote switch needs to be a latching type Output Option By setting DIPSwitch 8 to ON the CUE stereo input can be mono mixed to Outputs 1 and 2 DIP Switch Settings On The Underside Of The Unit For Headphone Channel Mix Options The DIPSwitches on the underside of the unit can be used to define which of the sources MIC TALKBACK PGM and CUE are sent to which side of the headphone output left or right There are two sets of switches the ones on the left represent the left earpiece of the headphones the right switches represent the right earpiece Setting the DIPSwitch to ON enables the selected source to the selected earpiece Fig 9 Underside of RB MTV1 Showing Headphone Channel Mix DIPSwitches Redbox RB MTV1 User Handbook SONIFEX A m q ad y gt m gt A O Z ES e UM Qo Z g A gt e JJ N TECHNICAL SPECIFICATION pz TECHNICAL SPECIFICATION Default Default Source Input Setting Setting Left SW8 Right SW9 Ft Microphone fon ON 2 Fraweack o
4. not subject to excessive temperature variation lt 0 C gt 50 C moisture dust or vibration Electromagnetic Radiation The cover is connected to earth by means of the fixing screws It is essential to maintain this earth ground connection to ensure a safe operating environment and provide electromagnetic shielding Fitting Redboxes Redboxes can be fixed to the underside of a mixing desk or other surfaces using 4 2mm holes in the sides and fixed with 2 x M4 screws or 2 x No 6 countersink wood screws They can also be rack mounted with either the front or rear of the Redbox positioned at the front of the rack Rear Mounting The RB MTV1 The RB RK3 1U rear panel rack kit can be used for large Redboxes such as the RB MTV1 Fig D RB RK3 Large Redbox Rear Rack mount Kit Note When fitting the rear mounting rack kits a notch has been left on the inside of the right hand rack piece for the mains cable to pass through Make sure that the mains cable has been put through the notch before attaching the right hand rack piece Redbox RB MTV1 User Handbook SONIFEX UM gt TI m Qo z N gt r re Ea O Z Z TI J gt e Z vi H lt c O L lt lt x j N og gt j LiL LL lt N SAFETY amp INSTALLATION INFORMATION WEEE amp RoHS Directives Sonifex Statement The Waste Electrical and Electronic Equipment WEEE Directive
5. output to a mic level and impedance for insertion into a mic channel The default state for this output is LINE Output 1 With Mic Line Switch The XLR 3 pin plug used for the mono mic line output is electronically balanced and has an output impedance of lt 500 bridging in line mode and 1000 nominal in mic mode The XLR has the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase Depressing the MIC LINE button converts the output to a mic level and impedance for insertion into a mic channel The default state for this output is LINE TALKBACK LAZY Output The XLR 3 pin plug used for the mono lazy talkback output is electronically balanced and has an impedance of lt 500O bridging The XLR has the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase This output is activated by pressing the TALK button on the front panel and is intended to be used as a talkback intercom between two units SONIFEX Redbox RB MTV1 User Handbook REAR PANEL CONTROLS amp INDICATORS TALKBACK Input The mono talkback line level input is electronicallly balanced and is routed directly to the TALKBACK headphone level control on the front panel to adjust the mix into the headphones The XLR socket has the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase PGM Inputs Left and Right With 10dB Pad The left and right PGM inputs are electronically balanced line level inputs with an impedanc
6. outputs to enable customization of the unit for your monitoring application Headphone Output The front panel headphone output is a 1 4 6 35mm jack socket and is a parallel connection of that on the rear designed to drive 150mW into 320 to 6000 professional headphones Redbox RB MTV1 User Handbook SONIFEX TI J U gt Z m re A J re UM Qo g A gt J N N c O gt lt x od O og N O c j O U Lu lt x a ol lt Li ewe REAR PANEL CONTROLS amp INDICATORS Rear Panel Connections amp Operation Output 2 Output 1 With With CUE Input Remotes Mic Line Mic Line TALKBACK With MIC Switch Switch Input 10dB Pad Input A Headphone TALKBACK PGMInput Limiter Limit MIC Settings Output Lazy Output With On Off Level Input DIP 10dB Pad Gain Switches Fig 8 RB MTV1 Rear Panel Connections Headphone Output The rear panel headphone output is a 1 4 6 35mm jack socket and is a parallel connection of that on the front designed to drive 150mW into 320 to 6000 professional headphones Output 2 With Mic Line Switch The XLR 3 pin plug used for the mono mic line output is electronically balanced and has an output impedance of lt 500 bridging in line mode and 1000 nominal in mic mode The XLR has the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase Depressing the MIC LINE button converts the
7. was agreed on 13 February 2003 along with the related Directive 2002 95 EC on Restrictions of the use of certain Hazardous Substances in electrical and electronic equipment RoHS The Waste Electrical and Electronic Equipment Directive WEEE aims to minimise the impacts of electrical and electronic equipment on the environment during their life times and when they become waste It applies to a huge spectrum of products It encourages and sets criteria for the collection treatment recycling and recovery of waste electrical and electronic equipment All products manufactured by Sonifex Ltd have the WEEE directive label placed on the case It gives a contact for individuals who are unsure about the correct procedure when the product has reached its end of use Sonifex Ltd will be happy to give you information about local organisations that can reprocess the products or alternatively all products that have reached end of use can be returned to Sonifex and will be reprocessed correctly free of charge Sonifex Ltd has phased out the use of certain hazardous substances identified in the European Union s Restriction of Hazardous Substances RoHS directive The ROHS directive limits the use of certain hazardous substances currently used in EEE manufacture including lead mercury cadmium hexavalent chromium and halide containing compounds PBB polybrominated biphenyl and PBDE polybrominated diphenyl ether Elimination of these subs
8. 0mm SB The active fuse is fitted on the outside rear panel of the unit Power Cable and Connection An IEC power connector is supplied with the RB MTV1 which has a moulded plug attached this is a legal requirement If no moulded plug has been supplied with your RB MTV1 please contact your supplier because an IEC connector is always supplied from the Sonifex factory If for any reason you need to use the RB MTV1 with a different power cable you should use the following wiring guidelines Wire Colour Connection Green or green and yellow Earth E Blue or Black Neutral N Brown or Red Live L Fig B Power Connections Connect the equipment in accordance with the connection details and before applying power to the unit check that the machine has the correct operating voltage for your mains power supply SONIFEX Redbox RB MTV1 User Handbook SAFETY 8 INSTALLATION INFORMATION Ordering the Correct Mains Lead When ordering a Redbox from Sonifex it is helpful if you can specify your required operating voltage and mains lead After the product code add UK for 230V UK 3 pin to IEC lead y N EC for 230V European Schuko 2 pin to IEC lead Ha F US for 115V 3 pin to IEC lead i AU for 230V Australasian 3 pin to IEC lead a S ES Fig C Mains Lead Table E g order RB MTV1 UK for a UK IEC lead to be supplied Installation Information Atmosphere The units should be installed in an area that is
9. 1 Rear Panel Connections Table A Rear Panel DIPSwitch Configuration Settings Fig 9 Underside of RB MTV1 Showing Headphone Channel Mix DIPSwitches Table B Underside DIPSwitch Settings For Headphone Channel Mix Options CON DO BWW 0 UU UU MN lt lt FIGURES amp TABLES SONIFEX Redbox RB MTV1 User Handbook Warranty and Liability Important the purchaser is advised to read this clause a The Company agrees to repair or at its discretion replace Goods which are found to be defective fair wear and tear excepted and which are returned to the Company within 12 months of the date of despatch provided that each of the following are satisfied i notification of any defect is given to the Company immediately upon its becoming apparent to the Purchaser ii the Goods have only been operated under normal operating conditions and have only been subject to normal use and in particular the Goods must have been correctly connected and must not have been subject to high voltage or to ionising radiation and must not have been used contrary to the Company s technical recommendations D gt J J D gt lt iii the Goods are returned to the Company s premises at the Purchaser s expense iv any Goods or parts of Goods replaced shall become the property of the Company v no work whatsoever other than normal and proper maintenance has been carried out to the Goods or any part of the Goods without the Co
10. MIC activity even when the TALK button is on or the MIC button is off There is a mono balanced TALKBACK input on XLR There are two balanced XLR stereo inputs CUE and programme PGM each with a 10dB input gain switch to facilitate the use of unbalanced sources such as from PC audio cards domestic CD players etc Each of these inputs MIC TALKBACK CUE and PGM can be mixed and monitored in the front and rear headphone outputs with individual volume controls Which of the inputs is presented to the headphone outputs can be configured using two banks of DIPswitches on the underside of the unit one bank for audio that is heard in the left ear piece and one bank for audio monitored in the right ear piece For example the left and right PGM inputs can be sent to the right ear piece and all other signals to the left ear piece or the TALK signal could be sent to the right ear piece and all other signals to both ear pieces In this way you can configure the unit for your particular application on installation If a presenter doesn t like to hear themselves in their headphones when using the TALK button there is also a DIPswitch option to mute the mic signal to the headphones Redbox RB MTV1 User Handbook SONIFEX _ A eee INTRODUCTION There are two mono balanced outputs The processed microphone signal is fed to the two outputs when the electronically latching front panel MIC button is active the button illuminates when active The t
11. MTV1 User Handbook RB MTV1 Contribution Voiceover Monitor With Talkback Introduction LED TALK Headphone Meter Button Output Power MIC LIMIT Headphone Volume Controls LED Button LED MIC TALK CUE PGM BACK Fig 1 RB MTV1 Front Panel The RB MTV1 contribution voiceover monitor is a 1U rack mount designed to be used in voice over booths news booths commentary locations for continuity announcements and for any other similar applications where voice needs to be added to programme content and then monitored Programme feeds auxiliary feeds and a talkback feed can be taken in and monitored NOILINGOULNI The RB MTV1 has a microphone input two main mono outputs two external stereo monitoring inputs plus a 4 wire It has a mono microphone input on XLR with switched coarse gain and variable fine gain control using a multi turn preset potentiometer to give an overall gain range from 20dB to 80dB There is also a switched LF rumble filter switched 48V phantom power and switched level limiting control A rear panel multi turn preset potentiometer allows adjustment of the threshold at which the limiter begins to operate from 8dBu to 26dBu There is an indication of the limiter activity using a blue LED and the microphone level is monitored by a simple 5 LED meter The meter can be configured to either show the MIC signal activity in normal operation e when TALK is pressed the meter is off or the meters can permanently show the
12. Mains Operated Equipment Voltage Setting Checks Fuse Rating iv Power Cable and Connection iv Ordering the Correct Mains Lead v Installation Information v Atmosphere V Electromagnetic Radiation v Fitting Redboxes v WEEE amp RoHS Directives Sonifex Statement vi RB MTV1 Contribution Voiceover Monitor With Talkback Introduction System Block Diagram Front Panel Controls amp Indicators MIC Button LED Meter Limit LED TALK Button Headphone Level Controls Headphone Output Rear Panel Connections amp Operation Headphone Output Output 2 With Mic Line Switch Output 1 With Mic Line Switch Limiter On Off Switch Limiter Level Control Mic Input Gain Control Microphone Input Remote Inputs amp Outputs DIPSwitch Configuration Settings Rear Panel Microphone Options Switching Options Metering Option Remote Option Output Option DIP Switch Settings On The Underside Of The Unit For Headphone Channel Mix Options NNNNA 01 01 01 U1 Ul Ul Ps AA a UY UU UU UU wn Be N Technical Specification For RB MTV1 Redbox RB MTV1 User Handbook SONIFEX A O Z m N a A a FIGURES amp TABLES Fig A Packing List iii Fig B Power Connections iv Fig C Mains Lead Table Fig D RB RK3 Large Redbox Rear Rack mount Kit Fig 1 RB MTV1 Front Panel Fig 2 RB MTV1 Block Diagram Fig 3 MIC Button Fig 4 LED Meter Fig 5 Limit LED Fig 6 TALK Button Fig 7 Headphone Level Controls Fig 8 RB MTV
13. e of gt 20kQ and a gain boost switch 10dB for use with equipment at domestic audio levels The XLR sockets have the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase The PGM audio is routed directly to the PGM headphone level control on the front panel to adjust the mix into the headphones CUE Inputs Left and Right With 10dB Pad The left and right CUE inputs are electronically balanced line level inputs with an impedance of gt 20kQ and a gain boost switch 10dB for use with semi pro equipment at lower audio levels The XLR sockets have the following connections Pin 1 Screen Pin 2 Phase Pin 3 Non phase The CUE audio is routed directly to the CUE headphone level control on the front panel to adjust the mix into the headphones It can also be mono mixed to the 2 main outputs using DIPSwitch 8 on the rear panel Limiter On Off Switch This is a latching push switch to switch the microphone limiter on or off The default position for this switch is off Limiter Level Control The limit level control is a multi turn preset potentiometer to set the maximum output level when the limiter is enabled The level can be set between 8dBu and 26dBu and as standard is set at 8dBu Mic Input Gain Control This is a multi turn preset potentiometer to adjust the gain of the microphone input The gain ranges from 20dB to 80dB when used with DIPSwitch 1 on the rear panel Redbox RB MTV1 User Handbook SONIFEX
14. h switch that routes microphone audio to outputs 1 and 2 provided that the TALK button is not also pressed The button illuminates red when the MIC function is active Push the button again to unlatch it Fig 3 MIC Button LED Meter This is a5 way LED meter with the following level indicators 12dB green 6dB green 0dB yellow 3dB yelow 6dB red The LED meter source is selected by the back panel dip switch Fig 4 LED Meter Limit LED This 3mm blue LED illuminates when the limiter circuit is operating A rear panel multi turn preset potentiometer allows adjustment of the threshold at which the limiter begins to operate from 8dBu to 26dBu Fig 5 Limit LED TALK Button The TALK button is a momentary push switch that routes mic audio to the lazy talkback output whilst disconnecting it from the main outputs allowing the operator to talk to a colleague The button illuminates green when the TALK function is active Fig 6 TALK Button Headphone Level Controls There are four volume control knobs one for each of the audio sources MIC TALKBACK CUE and PGM that determine the level of each audio source that is mixed into the front Fig 7 Headphone Level Controls and rear panel headphone outputs As well as being able to alter the volume of the sources presented to the headphones using DIPswitches on the underside the RB MTV1 can be configured to alter which of the inputs is presented to the headphone
15. herwise or wastage of material resulting from or caused by or to the Goods In particular the Company shall not be liable for any loss of profits or other economic losses The Company accordingly excludes all liability for the same e At the request and expense of the Purchaser the Company will test the Goods to ascertain performance levels and provide a report of the results of that test The report will be accurate at the time of the test to the best of the belief and knowledge of the Company and the Company accepts no liability in respect of its accuracy beyond that set out in Condition a gt lt x aa aa lt f Subject to Condition e no representation condition warranty or other term express or implied by statute or otherwise is given by the Company that the Goods are of any particular quality or standard or will enable the Purchaser to attain any particular performance or result or will be suitable for any particular purpose or use under specific conditions or will provide any particular capacity notwithstanding that the requirement for such performance result or capacity or that such particular purpose or conditions may have been known or ought to have been known to the Company its employees or agents g i To the extent that the Company is held legally liable to the Purchaser for any single breach of contract tort representation or other act or default the Companys liability for the same shall not e
16. ich can be found on the rear of the RB MTV1 Redbox RB MTV1 User Handbook SONIFEX J gt J J T lt 2 H lt O LL z lt x a lt x j N og gt j LiL LL lt N SAFETY amp INSTALLATION INFORMATION Safety Information Safety of Mains Operated Equipment This equipment has been designed to meet the safety regulations currently advised in the country of purchase and it conforms to the safety regulations specified by use of the CE Mark Warning There are no user serviceable parts inside the equipment If you should ever need to look inside the unit always disconnect the mains supply before removing the equipment covers Voltage Setting Checks Ensure that the machine operating voltage is correct for your mains power supply by checking the box in which your Redbox was supplied The voltage is shown on the box label The available voltage settings are 115V or 230V Please note that all Redboxes are either switchable between 115V and 230V or have a universal power supply Fuse Rating The RB MTV1 is supplied with a single fuse in the live conducting path of the mains power input For reasons of safety it is important that the correct rating and type of fuse is used Incorrectly rated fuses could present a possible fire hazard under equipment fault conditions The fuse rating for the RB MTV1 is 230V operation 100mA 5 x 20mm SB 115 V operation 200mA 5 x 2
17. mpany s prior written consent vi the defect has not arisen from a design made furnished or specified by the Purchaser vii the Goods have been assembled or incorporated into other goods only in accordance with any instructions issued by the Company viii the defect has not arisen from a design modified by the Purchaser ix the defect has not arisen from an item manufactured by a person other than the Company In respect of any item manufactured by a person other than the Company the Purchaser shall only be entitled to the benefit of any warranty or guarantee provided by such manufacturer to the Company b In respect of computer software supplied by the Company the Company does not warrant that the use of the software will be uninterrupted or error free Redbox RB MTV1 User Handbook SONIFEX i A AI WARRANTY c The Company accepts liability i for death or personal injury to the extent that it results from the negligence of the Company its employees whilst in the course of their employment or its agents in the course of the agency ii for any breach by the Company of any statutory undertaking as to title quiet possession and freedom from encumbrance d Subject to conditions a and c from the time of despatch of the Goods from the Company s premises the Purchaser shall be responsible for any defect in the Goods or loss damage nuisance or interference whatsoever consequential economic or ot
18. n OFF z latched Remtenputon ieSwitch Jon Table A Rear Panel DIPSwitch Configuration Settings Microphone Options Options are available to add phantom power at 48V to the microphone input DIPSwitch 3 ON switch a low frequency rumble filter in DIPSwitch 3 OFF and to add an additional 20dB of gain to the microphone input The microphone gain range is adjustable from 200B to 80dB and this is done as 20dB to 60dB via the MIC GAIN rotary potentiometer with DIPSwitch 1 OFF or 40dB to 80dB via rotary potentiometer with DIPSwitch 1 ON SONIFEX Redbox RB MTV1 User Handbook REAR PANEL CONTROLS amp INDICATORS Switching Options TALK button On pressing the TALK button set DIPSwitch 4 to ON to mute the microphone signal to the headphones for the situation where you are using talkback and don t want to hear your own voice in the headphones MIC button The MIC button can be permanently latched i e always on by setting DIPSwitch 5 to ON In this mode the microphone can not be switched off or remotely switched off but all other operation is normal for example pressing the TALK button mutes the mirophone to the Outputs 1 and 2 This is useful in situations where you need to leave the unit unattended and want to ensure that the microphone is always on e g for covert operations or where the operator may be unfamiliar with the unit s operation Metering Option The meter can be made to permanently show the level of the
19. ockets Remote I O Port 9 way D type socket Mains Input Filtered IEC 110V 120V or 220 240V switchable fused 9W maximum Fuse Rating Anti surge fuse 100mA 20 x 5mm 230VAC Anti surge fuse 250mA 20 x 5mm 115VAC RB MTV1 Contribution Voiceover Unit With Talkback NOI1V3I3133dS IVIINHI3L Dimensions 48cm W x 10 8cm D x 4 3cm H Raw 19 W x 4 3 D x 1 7 H 1U Dimensions 59cm W x 20 5cm D x 6cm H Boxed 21 W x 8 D x 2 4 H Weight Nett 1 3kg Gross 1 9kg Nett 2 9lbs Gross 4 2lbs RB RK3 1U Rear panel rack kit for large Redboxes Redbox RB MTV1 User Handbook SONIFEX 9 SONIFEX www sonifex co uk t 44 0 1933 650 700 f 44 0 1933 650 726 sales sonifex co uk
20. tances will result in more environmentally friendly recycling of electronic equipment For the products which Sonifex manufacture the main area where products were affected was in the use of lead for manufacturing and assembling electronics circuit boards Sonifex Ltd practices lead free LF manufacturing processes LF solder is used on the surface mount PCB manufacturing processes and for hand soldering The printed circuit boards PCBs used are either gold plated or immersion tin plated both of which use no lead Historically the PCBs were hot air solder levelled HASL PCBs which used tin lead based solder The manufacturing processes include the assembly of purchased components from various sources Product is offered as ROHS compliant or LF only after sufficient evidence is received from the component manufacturers that their components are ROHS compliant Sonifex Ltd relies solely on the distributor or manufacturer of the components for identification of ROHS compliance Thus whilst every effort is made to ensure compliance Sonifex Ltd makes no warranty or certification or declaration of compliance concerning said components Sonifex Ltd defines Lead Free as pertaining to any product which has been manufactured by Sonifex Ltd using components which have been declared by the manufacturers as Lead Free All statements by Sonifex Ltd of ROHS compliance are based on component manufacturer documentation SONIFEX Redbox RB
21. w CC P fever fore fon Ps ramet a Jo e ponm CA CC DIPSwitch Setting No Table B Underside DIPSwitch Settings For Headphone Channel Mix Options Technical Specification For RB MTV1 Input Impedance Maximum Input Level Mic Gain Range E I N Common Mode Rejection Low Frequency Roll Off Distortion Phantom Power Limiter Threshold Output Impedance Maximum Output Level Headphone Output Level Frequency Response SONIFEX 2kQ nominal balanced MIC input gt 20kO all other inputs 10dBu MIC input 26dBu TALK CUE amp PGM inputs Adjustable 20dB to 80dB 20dB to 60dB with Settings DIPSwitch 1 OFF 40dB to 80dB with Settings DIPSwitch 1 ON 130dB gt 600B typically 125Hz 6dB octave 0 01 THD 1kHz ref 8dBu output 48V Adjustable 8dBu to 26dBu lt 500 in LINE mode 1000 nominal in MIC mode 26dBu balanced outputs in LINE mode 18dBu in MIC mode Drives 150mW into 320 to 6000 headphones 20Hz to 20KHz 0 1dB ref 1KHz Redbox RB MTV1 User Handbook TECHNICAL SPECIFICATION 4 MIC Input 1 x XLR 3 pin female Balanced TALKBACK Input 1 x XLR 3 pin female Balanced CUE Inputs 2 x XLR 3 pin female Balanced PGM Inputs 2 x XLR 3 pin female Balanced Mic Line Output 1 1 x XLR 3 pin male Balanced Mic Line Output 2 1 x XLR 3 pin male Balanced TALK LAZY Output 1 x XLR 3 pin male Balanced Headphone Outputs 2 x 14 6 35mm A gauge 3 pole stereo jack s
22. wo main outputs can be independently switched to be at Line or Mic level outputs using rear panel push switches Setting the output to a microphone level allows the unit to be inserted into the microphone channel of a mixer There is an option to permanently enable the MIC button even when remotely controlled for occasions when you always want the MIC channel left open Additionally there is an option to mix the CUE input as a mono feed to the outputs permanently The front panel TALK button is a momentary push switch that routes the processed microphone signal to the LAZY TALK output whilst disconnecting it from the main outputs allowing the operator to talk to a colleague This enables the unit to be used as a talkback intercom between two or more studios There is a rear panel remotes connector giving remote control of the two front panel MIC and TALK buttons and opto isolated tallies of their status A red LED on the front panel of the unit indicates when power is present O U gt O O c gt System Block Diagram Lazy 48V Mic Gain Limit LED Output Mic p Mic Limit Input C gt gt p 2 y LF 20dB On eros A Filter Gain _Off f Lino joo000 Headphone Mic Meter Front Headphone Rear Fig 2 RB MTV1 Block Diagram 2 SONIFEX Redbox RB MTV1 User Handbook A Se AN E Front Panel Controls amp Indicators MIC Button This is an illuminated electronically latching pus
23. xceed the Price of the Goods ii The restriction of liability in Condition g i shall not apply to any liability accepted by the Seller in Condition c h Where the Goods are sold under a consumer transaction as defined by the Consumer Transactions Restrictions on Statements Order 1976 the statutory rights of the Purchaser are not affected by these Conditions of Sale il SONIFEX Redbox RB MTV1 User Handbook WARRANTY Unpacking the RB MTV1 The RB MTV1 is shipped with the following equipment Please check your packaging to ensure that you have all of the items below If anything is missing please contact the supplier of your equipment immediately Ite Mm tel B MTV1 1 R IEC Mains lead fitted with moulded mains plug 1 Handbook and warranty card 1 Fig A Packing List Each RB MTV1 is shipped in protective packaging and should be inspected for damage before use Where an item is found to have transit damage notify the carrier immediately with all the relevant details of the shipment Packing materials should be kept for inspection and also for if the product needs to be returned Returning the Warranty Card In order to register the date of purchase so that we can keep you informed of any design improvements or modifications it is important to complete the warranty registration document that is enclosed and return it to Sonifex Ltd in the UK For your own records you should write down the serial number wh
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