iDAP-EN1 Users Guide - Alf-Tech
Contents
1. INDUSTRIAL DIGITAL AUDIO PLAYER ALFIECH Introduction iDAP EN1 Industrial Digital Audio Player iDAP EN1 Operation Alf Electro Technical Services C C microSD Card MP3 File Structure Configuration File Setup Reg No CK1999 05574 23 Audio Compression Quality Working with MP3 Files D gt PO Box 1718 Somerset West Hardware Installation 7129 CAPE iDAP EN1 Electrical Specifications South Africa Replacing the Batteries iDAP EN1 Connections www alftech com Physical Layout and Dimensions CO CO M OUWWNP H Introduction ES A Product Overview Industrial Digital Audio Player ODAP EN1 Industrial Digital Audio Player the DAP Hardware The ALFTECH iDAP EN1 is an Industrial Digital Audio Player providing continuous playback of compressed MP3 Audio files such as music advertisements or announcements The MP3 Audio Files are stored on a Standard microSD Card inserted into the microSD Card slot on the IDAP EN1 When the microSD Card is inserted and valid MP3 files are detected playback will start automatically There is no playback or stop buttons as the iDAP EN1 plays continuously whenever valid MP3 files are available A configuration file copied to the microSD Card offers the option of selecting random or sequential playback There are 2 preset volume option settings in the configuration file 10dBu for consumer audio equipment and OdBu for professional audio equipment If no configuration file is detected the i2. be used to determine the warranty period 1 ALFTECH will repair or replace free of charge any part or parts of the Product that are defective but subject to the following conditions 1 1 Transportation charges on equipment and or parts submitted for repair or replacement under this warranty must be borne by the Purchaser Distributor Re seller and or End user 1 2 The warranty period begins on the date of purchase by the first retail consumer or commercial end user and continues for the period of two 2 years from that date 1 3 ALFTECH shall have the sole discretion whether to replace or repair the Product and the replacement Product shall be of equivalent or better specifications relative to the defective product but need not be identical 2 The warranty does not extend to repairs required because of 2 1 Problems caused by parts or systems that do not form an integral part of the Products 2 2 Equipment control use maintenance or installations that are not in accordance with instructions and manuals provided by ALFTECH for the product 2 3 the product is repaired modified or altered unless such repair modification is authorized in writing by ALFTECH or 2 4 the product serial number is defaced or missing 2 5 Normal use which has exhausted the life of the product 3 ALFTECH does not warrant guarantee or make any representations as to the correctness accuracy or reliability of the software ALFTECH does not warrant
3. that operation of the software and accompanied hardware shall be uninterrupted or error free and no warranty that all defects in the software product within or without the scope of ALFTECH s applicable product documentation will be corrected You are responsible for determining the appropriateness of using the software and accompanied hardware and assume all risks associated with the use of the software including but not limited to the risks of program errors damage to or loss of data programs or equipment and unavailability or interruption of operations Some jurisdictions do not allow for the exclusion or limitation of implied warranties so the above limitations or exclusions may not apply to Licensee This warranty does not extend to any Batteries if installed in the Product This warranty does not extend to any equipment installation assembly or system for which the supplier or installer thereof provides a separate warranty in which event the End user have to exercise his right and claim against such a supplier or installer in accordance with such a warranty 6 This warranty does not extent to the installation setup and configuration of the Product for which the supplier and or installer are liable in their respective capacities ae Products and Corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies and are only used for identification or explanation and to th
4. A ALF INDUSTRIAL DIGITAL AUDIO PLAYER Important Safety Instructions Please follow these precautions when using this product Read these instructions Keep these instructions Heed all warnings Follow all instructions WATER AND MOISTURE Designed for indoor use only The product is not protected against liquids It should not be exposed to dripping or splashing and no objects filled with liquids shall be placed on the product INSTALLATION The Audio Player must always be installed by qualified service personnel Install in accordance with the manufacturer s instructions Always disconnect the supply power before installing the unit Do not install near any heat sources such as radiators heaters or other apparatus that produce heat POWER SOURCES The unit should be connected to a power supply only of the type described in the operating instructions or as marked on the unit SERVICING Contains no user serviceable parts Do not attempt to repair the product as this will void the warranty The iDAP EN1 and external circuitry must only be serviced and maintained by qualified service personnel BATTERY This product contains Nickel Metal Hydride batteries There is danger of explosion if the battery is incorrectly replaced Replace only with an equivalent battery as found in the operating instructions Make sure the battery is installed with the correct polarity Discard used batteries according to manufacturer s instruction
5. DAP EN1 will create one with the default settings Sequential Playback SD CARD 10dBu The IDAP EN1 is DC powered from external AC Adapter but will run on the internal batteries for approx 4 hours when the DC is removed PLAYBACK Hardware Indicator LED s A FA e POWER DC vs Battery EA e PLAY Random vs Sequential K ALFTECH_ e SD Card Read OK vs File Error RUE POWER Hardware Features pc O e AC powered with 4 hours of battery operation when Battery external power fails PLAYBACK e Supports most MP3 file formats sample rates and bit Random rates Sequential e Stereo Audio Line Out a CR e 2 Volume settings oak e microSD Card Storage Support most microSD Cards ets File access for 100 folders and 60 MP3 files folder DIST AUDIO PLAYER NJ Random or Sequential file playback option e Support setup file configuration stored on the microSD Card Hardware Connections e 5 v DC supply input 100 240 v AC 50 or 60 Hz External Power Supply included e Stereo Audio Line Out e microSD Secure Digital Card slot DAP EN1 Operation If the IDAP is properly installed connected and powered playback will commence as soon as a microSD Card with stored MP3 audio files is inserted into the microSD Card slot on top of the iDAP EN1 POWER LED Status Description DC ON The iDAP is externally powered OFF The iDAP is not powered externally and rely on its back up batteries for power The iDAP wil
6. d must be able to supply at least 300 mA continuously Any other voltage can damage the device and or the battery might overcharge and explode Replacing the Batteries Always refer to the SAFETY INSTRUCTIONS found in this manual BATTERIES Only qualified service personnel are allowed to replace the batteries If the batteries have failed it has to be removed from the Printed Circuit Board and replaced When new uncharged the batteries needs at least 2 asain indies days to fully charge Only insert Screwdriver Tip and replace the batteries with ty Pull panels apart 3 x AAA cells NiMH Nickel Metal Hydride 700 mAh or higher 1 2 V DAP EN1 Connections RIGHT Red Physical Layout and Dimensions iDAP EN1 all Dimensions in mm ALFTECH DC Battery PLAYBACK Random Sequential O SD CARD 102 Clip on Bracket OK INDUSTRIAL DIGITAL AUDIO PLAYER DAP EN1 Audio OUT gt f Wall mounted Clip on Bracket A Wall mounted Clip on bracket is provided with your iDAP EN1 This bracket can be securely attached to the wall by drilling two 6 mm holes Spaced 40 mm vertically into the wall Insert the two wall mount plugs included as standard with the iDAP EN1 into the 6 mm holes and screw the bracket securely onto the wall Copyright 2008 Alf Electro Technical Services CC All rights reserved
7. ditor such as Microsoft Windows Notepad Audio Compression Quality The table provided below displays Audio Compression Settings suggested for MP3 audio files For telephone background music you can compress the MP3 files into mono and double the playback duration compared to stereo files maintaining the same audio quality The ALFTECH iDAP EN1 can play almost any MPEG 1 layer 2 or 3 MP3 and MPEG 2 layer 2 or 3 compatible audio files Example of MP3 Audio Compression Ratios Low Quality High Quality i e microSD i e Telephones Background Music Card 40 kbits s 128 kbits s 1 GByte 58 hours 18 hours 2 GByte 116 hours 36 hours 4 GByte 233 hours 72 hours 8 GByte 466 hours 144 hours Commonly Used Compression Settings Sample Bit Rate Approx time AUDIO Quality Rate Hz kbit s for 1 GByte Near CD 44100 stereo 160 15 hours Near CD 44100 stereo 128 18 hours Telephone music 44100 mono 64 36 hours Telephone voice 22050 mono 32 72 hours The sample rate will mostly determine the quality of the playback audio Supported Sample Rates Hz Sample Rate Supported 1 48000 Yes 2 44100 Yes 3 32000 Yes 4 24000 Yes 5 22050 Yes 6 16000 Yes The bit rate is the amount of bits per second used to record the audio Signal The standard for near CD quality audio is 160 kbit s at a 44100 Hz sample rate The available options are listed below Bit Rates Supported kbit s 32 40 48 56 64 80 96 112 128 160 192 224 246 320 Wor
8. dom playback Random Playback Folders will be chosen randomly and then a MP3 audio file inside the folder will be chosen randomly for playback This MP3 audio file selection process will be repeated for every new audio file to be played Sequential Playback The folders and files will be sorted alphabetically If long file names are used they might not be sorted correctly If there are MP3 audio files on the root and in other folders the MP3 audio files on the root will be played first and then the MP3 audio files within folders on the root alphabetically Use 8 character format file names to ensure proper sorting for sequential playback Option 2 VOLUME Volume has 2 options L for low volume and H for high volume audio file playback VOLUME L The output volume for MP3 audio file playback is set to 10dBu for consumer audio equipment VOLUME H The output volume for MP3 audio file playback is set to OdBu for professional audio equipment The words mode and volume must be the first word of a line followed by a space and then the selected option The case of the words and letters does not matter As an example the file can consist of the following Mode s volume H Setup File If no settings txt file exists on the microSD card one will be created by the iDAP the default settings for the created file will be sequential and low volume This settings txt file can then be changed using a text file e
9. e owners benefit without intent to infringe e Windows is a registered trademark of Microsoft Corporation e IBM is a registered trademark of International Business Machines e Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated e Corel is a copyright of Corel Corporation This product publication includes images from CorelIDRAW X3 which are protected by the copyright laws of the U S Canada and elsewhere Used under License Specifications and Information contained in this manual are furnished for information only and are subject to change at any time without notice and should not be construed as a commitment by ALFTECH ALFTECH assumes no responsibility or liability for any errors or inaccuracies that may appear in this manual including the products and the software described in it Copyright 2008 Alf Electro Technical Services CC All rights reserved Product Name IDAP EN1 the IDAP Hardware Printed July 2008 Product User s Manual Contact Information Alf Electro Technical Services CC t a ALFTECH Corporate Headquarters Address Physical 30 Irene Ave Somerset West 7130 CAPE South Africa Address Postal PO Box 1718 Somerset West 7129 CAPE South Africa Telephone 27 21 852 5221 Fax 27 21 852 8111 E Mail info alftech com Technical Support Telephone 27 21 851 7126 Fax 27 21 852 8111 E Mail support alftech com www www alftech com t E CONTENTS MA SCPE Gide
10. ed into 2 level folders Other non MP3 files and folders may be Stored on the microSD Card but will be ignored for the operation of the IDAP The iDAP will only read MP3 files and the setting txt file Storing other files and multiple folders as well as sub folders which are not used for audio will cause detectable audio delays between file playback as all the folders must first be read to find all the MP3 files microSD Card 1 Because of the limited Embedded Memory available on the IDAP EN1 the iDAP cannot support more than 60 MP3 Audio files per folder and no more than 100 folders on the microSD Card root 2 The iDAP does NOT support microSDHC cards Any standard off the shelf microSD Card with a capacity up to 8 Gigabytes of storage can be used It is preferable to format the new microSD Card disk before use using the FAT32 file system a quick format can be performed Configuration File Setup The iDAP has two options that can be preset by using a setup file Stored on the root of the microSD card The file must be called settings txt Example of the contents of the settings txt file Audio PlaybacE Settings mode and volume must be the first character of a new line R for random S for sequential These are the only options MODE S volume setting L for 10dBu H for OdBu These are the only options VOLUME L Option 1 MODE Mode has 2 options S for sequential playback or R for ran
11. http audacity sourceforge net Audacity is open source software for recording and editing sounds Audacity is developed by a group of volunteers and distributed under the GNU General Public License GPL It is available for Mac OS X Microsoft Windows GNU Linux and other operating systems You can use Audacity to e Record live audio e Convert tapes and records into digital recordings or CDs e Edit Ogg Vorbis MP3 WAV or AIFF sound files e Cut copy splice or mix sounds together e Change the speed or pitch of a recording Audacity can be downloaded for your platform of choice from http audacity sourceforge net download Hardware Installation DAP EN1 Electrical Specifications Electrical Specifications PARAMETER TESTCONDITIONS MIN TYP MAX UNIT NOTES Supply Current 5 v DC normal EUR 120 Power Consumption 5 v DC normal operation Pos o CE a or Audio Output Level low 10 dBFS digital 0 d Audio Output Level high 0 dBFS digital S 0 a audio ouput impedance 0 edun e pan e 20 Hz to kHz signal to Noise Ratio 3 aBFS digr aa an Total Harmonic Distortion _ 3 dBFS digital 10 01 2 Notes 1 The output level is between the hot and ground terminals unbalanced 2 Tested with 44100 Hz sample rate 16 bits and 192 kbps data rate DC Input Warning Use the supplied AC to DC adapter or an appropriate alternative The voltage must be 5 v DC regulated an
12. king with MP3 Files ALFTECH does not make any recommendations or endorsements of the following products but have found it useful in preparing and converting audio files to MP3 format GoldWave Shareware Version is an affordable and fully functional Shareware MP3 player can be used for MP3 Audio File editing and encoding GoldWave is a sound editor player recorder and converter It can create sound MP3 audio files for CDs websites answering machines or Windows sounds A full set of effects and editing features are included for professional sound production High quality MP3 audio files can be created by using GoldWave in conjunction with CD Recorder software For more information about downloading using and optionally buying GoldWave please visit the GoldWave website http www goldwave com Before using GoldWave make sure sound drivers have been installed and configured with the Windows Device Manager Be sure to download the LAME MP3 encoder from Goldwave s website as well as this plug in provides the MP3 encoding facility GoldWave is a shareware program It is not free software However after trying GoldWave the modest registration fee should seem very reasonable considering all of the great features on offer To register and encourage further development please see the website detailed above GoldWave Registration License CAD 45 Audacity is a free Cross Platform Sound Editor More details can be obtained from
13. l automatically switch to DC power when the external power supply has been restored Battery OFF The iDAP is externally powered ON The iDAP is now powered by its back up batteries External power has failed or has been removed Battery back up power is available for approximately 4 hours DC and Battery OFF External power has failed or has being removed and the back up batteries have been exhausted or have failed DC and ON and Battery fault The on board batteries have failed and needs to Battery FLASHING be replaced The iDAP EN1 will still play using external power PLAYBACK LED Status Description Random ON The iDAP is running audio file playback randomly Sequential ON The iDAP is running audio file playback sequentially sorted alphabetically by folder name and then by MP3 file name Random AND Seq OFF No valid MP3 Audio files detected SD Card LED Status Description OK ON The iDAP is accessing and reading the microSD Card successfully Error ON Access to or accessing or reading the microSD Card has failed Ensure that the microSD card is properly inserted into the microSD Card slot and that at least one MP3 file is stored on the memory card for playback microSD Card MP3 File Structure MP3 files can be stored on the SD Card root or in 1 level folders on the microSD Card Don t use subfolders root No sub folders within these folder s the jDAP cannot read on root folder are support
14. s or local environmental protection guidelines Product User s Notice No part of this manual including the products and software described in it may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form or by any means except documentation kept by the purchaser for archiving purposes without the express permission of Alf Electro Technical Services CC ALFTECH ALFTECH provides this manual as is without a warranty of any kind either expressed or implied including but not limited to the implied warranties or conditions of merchantability or fitness for a particular application or purpose In no event shall ALFTECH its members officers employees and agents or its suppliers be liable for any damages whatsoever including without limitation damages for loss of profits business interruption loss of information arising out of the use of or inability to use the product even if ALFTECH has been advised of the possibility of such damages ALFTECH does not assume any responsibility for any errors that may appear in the product documentation nor any responsibility to support or update the product Limited Warranty No warranty registration is necessary to obtain warranty on ALFTECH products Please save your proof of purchase receipt If you do not provide proof of the initial purchase date at the time warranty service is requested the manufacturing date of the product will
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