Jands Ezicom E401 User Manual
Contents
1. 10 6 FAULT FINDING TABLE 11 7 CLEANING AND MAINTENANGCE 11 8 TECHNICAL DATA AND SPECIFICATIONS 12 A itendinitatiten ities 12 de Blc ds 12 Jands Pty Ltd SAFETY PRECAUTIONS The following information is for your Personal Safety Please read carefully DO NOT modify the Ezicom DO NOT connect the E401 with non approved headsets or Control Stations DO NOT use the E401 in the rain or in damp situations DO NOT use the E401 at high sound levels for long periods of time DO NOT operate heavy machinery while wearing the headset 1 1 Jands Pty Ltd INTRODUCTION The Jands Ezicom is a closed circuit headset intercom system which provides clear two way communications even in high noise environments A basic Ezicom system consists of one E401 master station connected to a number of remote E101 belt packs but larger systems can be created with up to twenty E101 belt packs in four isolated subgroups with control over each subgroup Note that only one E401 must ever exist in a single system Ezicom components are interconnected with standard two conductor shielded micro phone cable fitted with three pin XLR style connectors One wire in the cable caries DC power from the master station to the remote belt packs the other wire carries audio sig nals and superimposed ca2. Jands Pty Ltd 4 5 4 6 Link While isolation is required most of the time there are occasions when it must be dis abled for example when a user on one Output needs to communicate with a user on another or perhaps in an emergency When the Link button is illuminated the E401 becomes a fully party line system with all users on all selected outputs Section 4 3 able to hear and talk to each other Remote Mic Disable Occasionally remote user s will remove their headsets and leave their mic on sulting open mic continuously transmits distracting audio into the system The Remote Mic disable switch can be used to disable all open mics in the system Remote stations must feature a Remote Mic Disable facility DISCONNECTING THE UNIT Turn off the microphone and turn down the volume before switching off the E401 Firmly press the release buttons to remove plugs from sockets SYMPTOM E401 totally dead e g switches do not illuminate no sound in the headsets and no response to but ton presses Power LED flashing indicating output overload No sound in headset Distorted Program Input Noisy Program Input System noise Distorted communi cations 6 FAULT FINDING TABLE CAUSE System power off Mains power failure power turned off at wall socket or disconnected Faulty E401 Faulty cable or remote sta tion Volume turned down Nobody talking No Output selected Faulty headset Fau
3. and in conjunction with this operating manual JANDS Pty Ltd cannot accept any liability whatsoever for any loss or damage caused by service maintenance or repair by unauthorised personnel or by use other than that intended by the manufacturer Designed in Australia JANDS PTY LTD ACN 001 187 837 40 Kent Rd Locked Bag 15 Mascot NSW 2020 MASCOT NSW 1460 Sydney Australia Sydney Australia P 61 2 9582 0909 E info jands com au F 61 2 9582 0999 W www jands com au JANDS PTY LTD 2011 Revision 1 1 All rights reserved 05 May 2011 lt Jands Pty Ltd TABLE OF CONTENTS COMPLIANCE u 2 SAFETY PRECAUTIONS 4 1 INTRODUCTION 5 Td RARE S u un uuu uum UPA 5 2 EQUIPMENT DESCRIPTION 6 3 CONNECTION Sisi 8 3 1 Salt naaa idas 8 A A A 8 3 9 General A e e PE E E A 8 A 8 35 Program 9 4 OPERATION u 9 4 rara ralla erat atea 9 in wie a Taa 9 ahua 9 44 Gallu 9 45 A A 10 Remote Mic Disable coria 10 5 DISCONNECTING THE
4. Headset microphone on and off This button illuminates when the mic is active 9 Headset connector The 4 pin connector is where the local headset is plugged in 10 Program input connector The Program Input is used as a means to supply an audio program signal into the com munications system so that operators can keep track of the show progress The program signal would usually come from a suitably placed microphone in front of the stage or from an output of a mixing console 11 Program input Mic Line level switch This switch is used to change the Program Input source between Mic and Line levels e In Mic e Out Line 12 Program input local global switch This switch allows the Program Input signal to be distributed to only the Local Master s headset or globally to all of the Headsets in the system e In Master Only local e All Headsets global 13 Output connectors The 3 pin connectors are used to link this E401 to other equipment such as E101 belt packs in the communications system 14 Power Input Plug in the low voltage supply here To prevent the plug from falling out the cable may be secured with the supplied P clamp Refer to Section 3 2 Jands Pty Ltd 3 2 3 3 3 4 CONNECTIONS Installation The E401 is intended to be mounted in a standard 19 inch equipment rack Ensure there is adequate ventilation around the rear of the unit Only one E401 should ever be con nected in a system P
5. JANDS Ezicom E401 4 Channel Master Communications Control Unit VIAN REMOTE T JANDS POWER MIC KILL USER GUIDE Jands Pty Ltd COMPLIANCE This product is approved for use in Australia New Zealand and conforms to the following standards Standards 1EC55103 1 Emission 1 55103 2 Immunity IEC60065 Safety To ensure continued compliance with EMC Directive 89 336 and the Australian Radio communications Act 1992 use only high quality data cables with continuous shield and connectors with conductive backshells This device complies with part 15 of the FCC Rules 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 Changes or modifications not expressly approved by the manufacturer could void the user s authority to operate the equipment DISCLAIMER Information contained in this manual is subject to change without notice and does not represent a commitment on the part of the vendor JANDS Pty Ltd shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual It is recommended that all service and repairs on this product be carried out by JANDS Pty Ltd or its authorised service agents JANDS products must only be used for the purpose they were intended by the manu facturer
6. This switch should be on to activate the entire communications system When the sys tem is active the power on indicator illuminates steadily The indicator will flash if a fault is present on one or more of the outputs 2 Remote Mic Kill switch Press this switch to deactivate all open mics in the system Remote mic kill compatible stations only 3 Link button Press this button to activate deactivate the Link function When not active users on one output cannot hear users on any of the other outputs When active isolation is removed from all outputs and users on any output can be heard by and talk to users on other out puts 4 Output buttons indicators A button for each Output selects if talk on that Output is heard by the master users hear the master and users receive a call signal from the master Note that users on a deacti vated Output can always communicate with each other regardless of the state of the Master Output switch The button flashes if a user on that output presses their Call but ton 5 Call button indicator Press this button to call all users on the selected Outputs Additionally this button will flash when a user on a Selected output presses their call button 6 Program Level control Use this to adjust the level of signal from the Program input 7 Volume Level control Use this to adjust the volume level in the local headphones Jands Pty Ltd 8 Mic On Off button Use this to turn the
7. hms 650mW into 2000hms Compatibility Clearcom RS series pending approval Number of E101 s that can be con Up to 20 nected to an E401 Program Input sensitivity Mic 55 to 35 dBu Program Input sensitivity Line 15 to 5 dBu Table 8 2 Electrical Specifications O Jands Pty Ltd PIN FUNCTION Shield Ground Power Audio Call Table 8 3 Output Connector PIN FUNCTION Mic Cold Shield Mic Hot Phones Phones Table 8 4 Headset Connector
8. ll signals for visual signalling The cable shield acts as the common ground return The Ezicom cable transmission system is fully compatible with industry standard headset intercom systems allowing master stations and belt packs to be freely interchanged with other brand components without degrading performance The audio circuits in the stations are designed to give low noise performance even in the presence of dimmer noise and strong RF fields The mic pre amp is muted when the headset is disconnected reducing the noise build up from unused but on line stations The headset amplifiers give high output with high quality into a large range of imped ances Features e Four isolated line outputs with link facility e Current limit system prevents damage when faults are present e Switchable level Program input can be local only or sent to all outputs e Master call button calls all selected outputs e Bridge mode headphone amplifier for high output power e Remote Mic disable facility compatible belt pack required e Compatible with Clearcom party line systems pending approval e Simple daisy chain wiring using microphone cables e Light weight e Compact design e Upto twenty E101 belt packs may be run from one Ezicom E401 Master Station Jands Pty Ltd 2 EQUIPMENT DESCRIPTION 10 11 12 13 14 PROGRAM OUTPUTS e ee 2 HEADSET Mi N O ANDY 1 Power Switch and indicator
9. lty cable Incorrect level setting Incorrect Level setting Open Mic Earth loop Faulty cable s Volume too high Faulty headset Ambient noise level too high Users talking too loudly JANIDS Jands Pty Ltd REMEDY Check Master power switch Check connections of Master Repair replace Repair replace Turn up volume Start a conversation A Output must be selected in order to hear any communica tion Swap with another set Repair replace Set Mic Line switch to Line Set Mic Line switch to Mic Ensure users turn off mics when not needed Isolate remote stations from the building earth s Repair replace Turn volume down Replace headset Avoid single ear headsets e Turn unused mics off e Relocate operator position Liaise with other users Table 7 1 Fault Finding Table CLEANING AND MAINTENANCE To keep the E401 clean use a mild detergent and water with a soft cloth or paper towel taking care to avoid water entering the unit There are no user serviceable parts inside Jands Pty Ltd 8 TECHNICAL DATA AND SPECIFICATIONS 8 1 Mechanical PARAMETER VALUE Dimensions 483mm W x 147mm D x 44mm H Material Steel Aluminium Weight 2 1Kg Table 8 1 Mechanical Specifications 8 2 Electrical PARAMETER VALUE Mains Power 90 264VAC 55W Substation Supply 26 30VDC 1 5A max Line Signal Level 1mA V Microphone type Dynamic Headphone Impedance 32 400 ohms Headphone Output Power 1 0W into 320
10. ower The E401 uses an external universal input switchmode power supply The mains inlet to this supply is via a three pin IEC plug A number of IEC cables are supplied to suit local power outlets The Ezicom Master Station must be run from a correctly grounded outlet Keep the power off until all connections have been made The Power supply cable can be secured to the E401 using a P clamp to prevent it from coming out inadvertently Refer to Figure 3 1 below Figure 3 1 Securing the power cable with the P Clamp General Ensure all plugs are firmly seated in their sockets with the latches engaged If possible make all connections before switching the power to the master station on making con nections while the power is on my disrupt other users and or create clicks pops buzz or other extraneous sounds to other users Outputs The Ezicom and compatible communications systems use 3 pin shielded microphone cables for all interconnecting links Only one power source usually a Master should be used in a system Each Output may be selected and communicated with individually The E401 has iso lated Outputs that enable the system to be setup such that communication is divided into logical sections for example a different output could be used for Lighting Audio Mech anists and Dressing rooms Isolating the different sections minimises distractions and ensures the communications on each line includes only relevant informa
11. se If there is signal present for example there is program signal or a conversation is taking place adjust the control until a comfortable level is achieved If there is no signal present turn the volume control back down press the microphone switch to turn the headset Mic on and then speak normally as the volume level is increased until a comfortable level is achieved Turn off the microphone The volume level may require adjustment over time as more users come on line or the ambient noise level changes Excessive headphone level should be avoided The Ezicom system is a party line system which means all users in the system can hear the input from all open mics For this reason e Leave the microphone switched off unless required e Ensure the microphone is turned off when the headset is taken off or the E401 is unplugged from the system Outputs To talk listen or call users on one or more particular output s press the corresponding front panel Output button s Call The call switch is used to attract the attention of other users who may not have their headphones on To call users on a particular Output press the corresponding front panel Output button so that the Output is active then press the Call button The Call button will flash if a remote user presses their call switch When this happens the corresponding Output switch will also flash so the Master Operator can know from which Output the call originated MA
12. tion 3 5 4 2 4 3 4 4 Jands Pty Ltd Program Input Some theatrical productions require a show signal be mixed into the intercom system to enable all operators to track the show progress The E401 uses the Program input and controls for this purpose Normally a microphone is installed on the Front Of House lighting bar or other suitable location and connected to the E401 Program Input When the Mic Line switch is set to Mic and the Local Global Switch set to Global the front panel Program Level control controls the level of the Program Signal heard by the users on selected outputs The Program Input is electronically balanced and can accept both balanced and unbalanced input signals at mic or line level OPERATION Power Once the system has been plugged in and switched on the Power indicator should illu minate steadily indicating power is available If at any time this indicator starts flashing there is a power overload on one or more of the outputs which must be rectified before the system can operate During use the back panel of the E401 may become warm to the touch This is normal Under overload conditions the back panel may become hot the E401 should not be run in an overload condition for an extended period of time Headset Turn the volume control to minimum fully anticlockwise before putting the headset on Slowly increase volume by turning the control clockwi
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