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Apex Digital Hera, User Manual

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Apex Digital Hera User Manual Download Page 32

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Copyright

©

 

2000-2013 APEX N.V. 

All rights reserved. This manual may not be reproduced or transmitted, either in part or as a whole, by any 

means, be they mechanical or electronic, without the express written permission of APEX N.V.

Please recycle

Summary of Contents for Hera

Page 1: ...w w w a p e x a u d i o e u Hera User manual ...

Page 2: ...N V has taken all possible steps to ensure that the information given here is both correct and complete In no event can APEX accept any liability or responsibility for any loss or damage to the owner of the equipment any third party or any equipment which may result from use of this manual or the equipment which it describes The information provided in this document may be modified at any time wit...

Page 3: ...3 Serial number of this product 2000 2013 APEX N V All rights reserved This manual may not be reproduced or transmitted either in part or as a whole by any means be they mechanical or electronic without the express written permission of APEX N V ...

Page 4: ...rer or sold with the appa ratus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over The apparatus should be located close enough to the AC outlet so that you can easily grasp the power cord plug at any time The mains plug the appliance coupler or the mains switch is used as the disconnect device Either device shall remain readily operable when t...

Page 5: ...tric shock Children should never use the apparatus without close adult supervision WARNING excessive sound pressure can cause hearing loss Environmental precaution Electrical and electronic equipment may contain hazardous substances for humans and their environment The crossed out wheelie bin symbol present on the device and represented above is there to remind one of the obligation of selective c...

Page 6: ...the Hera 15 Connection to a PC 16 Connection with the Apex Leto 16 Principles of operation 17 Turning on 17 Standard operations 17 Threshold schedulling 20 Logic outputs 20 Traffic lights 20 Additional functions when used with the Argos 21 Microphone distance compensation 20 Installer menu 22 Installer menu 22 Menu structure 23 Basic set up 24 Operation set up 26 Logging set up 27 Preferences 27 T...

Page 7: ...ct on line by typing the following URL in your browser http productregistration apex audio eu As well as registering the product on line please take the trouble to record the serial number of the unit in the space provided on page 3 of the manual and keep the manual in a safe place ...

Page 8: ...play Leto Foreword Hera offers sound level monitoring and logging of events As a standalone unit it can be used as a cut off device as is required by some authorities Combined with Argos the Argos Hera combination operate as a single system providing sound level control with integral measurement and logging facilities Hera will log the equivalent continuous Leq and peak Lmax sound level pressure o...

Page 9: ...hat the voltage of your local AC supply is within the acceptable range of the unit The Hera is designed to work from an AC supply between 90V and 240 V at a frequency between 50 and 60 Hz No AC voltage selector is provided as the device automatically adjusts to the incoming AC voltage Precautions should be taken so that the appliance is properly grounded at all times This unit must be earthed Inst...

Page 10: ...sition a considerable distance away from the recommended measurement location e g the microphone is installed far enough away so it can not be touched by the public Recalibration and offset correction can be performed in the Installer menu The Apex Hera in combination with the Hera Measurement Mic has a fixed unchangeable measurement range from 55 to 130 dBSPL When the sound level falls below the ...

Page 11: ...11 ...

Page 12: ...to navigate through menus and lists Display Mode Enter push button Home Undo push button SPL Log Next push button Event Log Exit push button Error red LED indicates any system tampering or failure Consult the error log to know the origin of the error Link green LED indicates a proper connection with the Apex Argos Logic Out Warning yellow LED indicates the warning relay output is activated Logic O...

Page 13: ...the unit in the next pages To Argos This connector must ONLY be used for connection with the Apex Argos Serial port Enables connection with an external computer in order to read the Hera s memory To remote display This connector allows on or more Leto deported display to be connected Leto will mimic the information shown on the front panel LED display 1 To Argos Mic input This connector must ONLY ...

Page 14: ...te for your application see the Argos manual for more information Connection Hera with Argos Connect the microphone supplied with the Hera to the microphone input socket located on the rear panel of the Hera Connect an XLR cable from the connector marked To Argos MIC INPUT on the Hera to the microphone input on the Argos Connect the data cable to the TO Argos socket on the Hera to the connector ma...

Page 15: ...abelled RELAY OUTPUTS Only use 12 V DC relays No external power supply is required so do not connect any form of power to the Hera s relay outputs The different signals available at the connector are Pin 1 Pin 2 Pin 3 Pin 4 Ground POWER CUT relay Warning relay 12 V dc This numbering is arranged looking at the rear panel from left to right WARNINGS 1 Hera relay outputs are current limited to 60 mA ...

Page 16: ...e LED sound level display of the Hera for use at a remote location The optional Leto display is connected to Hera using a supplied RJ 12 cable This cable length is limited to just a few meters see the Leto user manual for more information If longer distances between Leto and Hera are required then the Leto Extender kit can be purchased Using the Extender kit enables cable lengths up to 200 m to be...

Page 17: ... The current mode is selected by pressing the corresponding push button See below for details about each mode Messages on this display can be in English French Dutch or German Language selection is made from the Installer menu PRINCIPLES OF OPERATION The Apex Hera shows the instantaneous or equivalent continuous sound level after applying a frequency weighting The available frequency weightings ar...

Page 18: ...nd below The 4 LEDs located just above the push buttons have the following functions Red LED Error lights in the event of any fault This could for example come from the seal of the Argos If this happens the message will be stored in the list of errors cf error mode The LED will go out a few seconds after the problem disappears Green LED Link when the Hera is properly connected to an Argos this LED...

Page 19: ...been disconnected Argos Mic Conn The XLR cable is connected Clip Detection Argos VCA level reducing device overloaded Installer setting Hera settings have been modified by the installer Warning Relay ON The Warning output relay has been activated Alarm Relay ON The Alarm output relay has been activated Warn Relay OFF The Warning relay output has been deactivated Alarm Relay OFF The Alarm relay out...

Page 20: ...eer to ensure that the sound level stays within permissible limits The traffic light mode is an efficient tool to keep long duration equivalent continuous level Leq under control It allows quick reaction to level excess Immediately reducing the level as the orange warning lamp turns on ensures that the average sound level over a longer period e g LAeq 95dBSPL A maximum of 15 minutes will remain un...

Page 21: ...ts measurements The calibration procedure is fully described in the Installer menu section The graph above illustrates the principle of operation of the logic outputs In this example the threshold has been set to 110 dB green line the warning time period to 30 seconds yellow lines and the cut off time period to 1 minute red line At 70 seconds the music has exceeded the threshold and the warning ti...

Page 22: ...ss enter To go back to the preceding number press undo When the four numbers have been entered press enter again to go into the menu NOTE We strongly recommend that you change the PIN number immediately to a code of your choice option 11 in the menu Do not write this code down and do not leave it where the end user can find it Installer menu MENU MENU STRUCTURE The diagram below shows the complete...

Page 23: ...23 HERA installer menu overview ...

Page 24: ...hting filter With this option you can choose which frequency weighting filter is applied to the measurement Choices are A filter or C filter The default is A filter as it is the most commonly used filter curve IMPORTANT NOTICE If the Hera is used together with an Argos you need to change the weighting filter of the Argos as well This can be done by changing the position of a jumper inside the Argo...

Page 25: ...d by the Hera If you use a tone generator we recommend you to use a sinus of a 1 kHz frequency NOTE Hera and its microphone are calibrated together at the factory and are a pair If you install a Hera and an Argos together ONLY USE THE MICROPHONE SUPPLIED WITH THE HERA To calibrate the Hera proceed as follows Turn the amplifiers down to their lowest setting Press enter Hera will ask you to place th...

Page 26: ...averaged sound level is also called equivalent continuous sound level Leq It is nothing more than an averaging of each RMS sample values measured over a certain period of time each sample being taken every 125 mS This Leq value is then compared with the actual threshold and relays are switched on or off as explained bellow Function 8 1 Logic outputs mode With this function you can choose from the ...

Page 27: ...s this time interval to be adjusted By default the value is 15 minutes Adjustment range is from 1 min to 59 min in 1 min steps and from 1 hour to 8 hours in 1 hour steps Hera s memory is large enough to store up 2880 log items If the values are stored every 15 minutes the memory will allow a roll back of the 30 last days When the memory is full the oldest record is replaced by the newest one That ...

Page 28: ...retrieve the LEQ and MAX measurements list the events list and other information such as firmware version These data can be saved to a file or directly be copied and pasted into a spreadsheet or a database Connection with a PC can be made using a serial port or USB and even network using the appropriate adapter Check the section Connection with a PC earlier in this manual for details The latest ve...

Page 29: ...e single range 55 130dB SPL A weighted Reference 94dBSPL SPL 1 Pa 1 kHz Relay outputs Pin out Ground output 1 output 2 12 V Output Type Open Collector Maximum current 60mA maximum for each output Power requirements Voltage auto detect 90 240V 50 60 Hz Power consumption 40 VA Mechanical specifications In the interest of product development Apex reserve the right to modify or improve specifications ...

Page 30: ... by Apex Apex is not liable for and does not cover under warranty any loss of data or any costs associated with determining the source of system problems or removing servicing or installing Apex products This warranty excludes 3rd party software connected equipment or stored data Apex does not warrant that the operation of the product will be uninterrupted or error free In the event of a claim Ape...

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Page 32: ... d i o e u Copyright 2000 2013 APEX N V All rights reserved This manual may not be reproduced or transmitted either in part or as a whole by any means be they mechanical or electronic without the express written permission of APEX N V Please recycle ...

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