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USER MANUAL NAGRA MEZZO

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1. r PUL DID 5 EA Wire Audio Technology Switzerland S A NAAN 12 13 14 3 BATTERIES Insert 2 AA batteries taking care of the correct polarity and close the cover Rechargeable batteries NiCd or Ni mH can also be used but they cannot be charged inside the MEZZO The battery type can be chosen in the System Settings menu Please choose the correct battery type according to battery so that MEZZO can display the correct remaining power level Installing batteries 1 According to the figure slide and open the battery compartment 2 Insert 2 AA batteries taking care of the correct polarity 3 Replace the cover oymbol Dry or rechargeable battery Sufficient About 3096 remaining 7 About 15 remaining About 5 remaining MEZZO 10 Audio Technology Switzerland S A 4 HOLD Sliding HOLD to ON will lock all keys to prevent activation of the keys accidentally during all modes including power off Once the keyboard is locked it doesn t work no matter what keys you press the screen will show HOLD To UNLOCK the MEZZO please slide HOLD to OFF HOLD Keys are locked HOLD OFF Keys are unlocked 9 DATE amp TIME Please set up DATE amp TIME before the first use or following a reboot or long periods without use Setting correct system DATE amp TIME will guarantee the accuracy of record time during recording 2011 7 01 01
2. pater ve 21 MEZZO aD Audio Technology Switzerland S A 3 PLAYBACK 1 PLAYBACK 2 A B REPEAT 3 REPEAT MODE 4 MENUS 1 OPERATIONAL APPROACH 2 OPTIONS o TROUBLE SHOOTING 1 SYSTEM TIPS 6 ADDITIONAL INFO 1 SPECIFICATIONS 2 SAFETY STATEMENT MEZZO Audio Technology Switzerland S A IMPORTANT Disclaimer All rights reserved Without the written approval in advance this manual and machine software whether in whole or in part cannot be copied translated nor compressed into computer readable data Audio Technology Switzerland is not responsible for incidents consequences or losses due to the violation of the IP rights Audio Technology Switzerland reserves the right to modify this manual and all the included information at any time without prior notification Trademarks Notices NAGRA is the registered trademark of NAGRAVISION SA IBM and PC AT are registered trademarks of the international business recorder company Microsoft and Windows are Microsoft Corporation s registered trademarks in America and other countries Apple and Macintosh are Apple Computer Inc s registered trademarks in America and other countries Pentium is Intel Corporation s registered trademark Other trademarks and registered trademarks are owned by their respective companies MEZZO ade Audio Technology Switzerland S A MEZZO STANDARD PACKAGE The package includes 1 NAGRA MEZZO 1 USB cable 1 Wrist strap 1 Foam Windshiel
3. You can check current time during recording 13 39 25 1 Press the MENU key in STOP mode to enter the settings 2 Select System Settings and press lt gt key to enter 3 Press lt 44 gt lt gt gt key to select Date amp Time and press REC OK key to confirm 4 Press PI lt gt key to select desired DATE amp TIME information press lt 4 gt lt gt keys to set value and MEZZO l Audio Technology Switzerland S A press lt gt key when setting is completed 5 Press lt k d gt key to return to the main menu or press MENU key to exit Note Time and date information will be kept while you change batteries 6 SELECT THE FOLDER The MEZZO has 6 built in default folders they are Folder A Folder B Folder C Folder D Folder E Folder MUSIC These 6 folders are displayed as A B C D E M The MEZZO can identify audio files stored in these 6 folders and the root directory Non audio files stored in A B C D E M and sub folders cannot be recognized Other folders and internal files in the memory cannot be recognized SWITCH FOLDER 1 Press FOLDER popup folder list will appear 2 Press the lt 4 gt lt gt gt key to select target folder press the lt gt key to confirm 3 Press the FOLDER key to exit Note A B C D E M are default system folders Please note that when deleting these 6 folders they
4. MEZZO in very wet environments Do not use chemicals or detergents to clean the recorder Do not use the recorder in excessively dusty or smoky areas Do not use the recorder when there is lightening Do not open disassemble the recorder Do not use the MEZZO close to ferromagnetic substances Battery Safety Do not put the batteries into an open fire or heat the batteries excessively this will lead to battery explosion Do not invert battery polarity Do not mix new batteries with the semi used batteries If batteries appear hot please stop using the MEZZO immediately Do not attempt to charge the alkaline batteries Please keep batteries out of the reach of the children Do not use the damaged batteries MEZZO 43 Audio Technology Switzerland S A Audio Technology Switzerland S A Chemin de l Orio 30A 1032 Romanel sur Lausanne Switzerland 41 21 643 7240 Fax 41 21 641 7532 www nagraaudio com audio _pro nagraaudio com
5. Note When recorder is in RECORD PLAYBACK AND PAUSE modes automatic shutdown is inhibited Battery Type Please set according to the current batteries being used so that the MEZZO can display the correct remaining power accurately DRY BATTERY Choose this option when using 2 regular alkaline AA dry batteries RECHARGEABLE BATTERY Choose this option when using rechargeable batteries Check total capacity available capacity and used capacity of the internal memory CAPACITY AVAILABLE USED Disk Information Version Check software version hardware version and loader program version SOFTWARE HARDWARE LOADER Format Disk Formatting disk can delete all files in recorder rapidly Notes A B C D E M are system folders they will be re created after formatting oystem Reset Reset the following functions to their default values MEZZO 233 5 Audio Technology Switzerland S A Format HMP3 S AGC OF F VOR OFF Mic Power ON Filter OFF Repeat Sequential Recording LED ON Beep OFF Speaker ON Screen Timeout 30 seconds Shut Down Timeout 300 seconds Battery Type Dry cells Folder A LEVEL 15 VOLUME 32 Note System settings can only be accessed in STOP mode Long press the lt MENU gt key in STOP mode to enter settings menu Settings menu includes Recording settings Playback Settings and System Settings MEZZO 34 Audio Technology
6. Turn on VOR and sensitivity is moderate Moderate volume will start recording H Sensitivity Turn on VOR and sensitivity is high Less volume needed to start recording Press the MENU key to exit settings Press the REC key to start recording Press and hold the lt m gt key to stop recording Note AGC will not work when VOR is on MEZZO 19 Audio Technology Switzerland S A 7 MICROPHONE POWER SUPPLY Mic Power some external microphones require power to be supplied from the recorder The MEZZO can provide 3V power to supply external electret microphones Please set this function when you need to turn on the power supply Press the MENU key to enter the settings Press the lt 4 gt lt gt gt key to select Recording settings and press the lt gt key to enter Press the lt 44 gt lt gt gt key to select Mic Power and press the REC OK key to enter Press the lt 4 gt lt gt gt key to select ON and press the REC OK key to confirm OFF Turns off microphone power supply A UU N gt ON Turns on microphone power supply 9 Press the MENU key to exit settings Note If you supply power unnecessarily to a microphone it may cause noise during the recording and reduce battery life 8 FILTER Turn on Filter to decrease low frequency noise during record Low frequency noise for instance could be the MEZZO 20 Audio Technology Switzerland S A low fr
7. and press the REC OK key to enter Press the lt 4 gt lt gt gt key to choose ON and press lt gt key to confirm OFF Turns off AGC ON Turns on AGC 9 Press the MENU key to exit settings 6 Press the REC key to start recording When is used LEVEL adjustments will not work 7 Press and hold the lt m gt key to stop recording RW N gt MEZZO 18 Audio Technology Switzerland S A 6 VOLUME OPERATED RECORDING VOR By monitoring the input sound level the MEZZO can switch to record mode automatically The MEZZO stops recording automatically when sound level drops below a certain pre set level When the sound level increases again it restarts recording If sound volume is lower than the pre set level for 10 seconds recording will stop and the MEZZO returns to PAUSE RECORDING so that you can save disk space and reduce empty file content A U N gt 5 6 f Press the MENU key to enter the settings Press the lt 4 gt lt gt gt key to select Recording settings and press the lt gt key to enter Press the lt 4 gt lt gt gt key to select VOR and press the lt gt key to enter Press the lt 4 gt lt gt 4 gt key to select sensitivity level and press the lt gt key to confirm OFF Turn off VOR L Sensitivity Turn on VOR and sensitivity is set to low More volume needed to start recording M Sensitivity
8. Audio Technology Switzerland 2013 USER MANUAL NAGRA MEZZO e AUDIO TECHNOLOGY SWITZERLANDH dle sd Fili pisc ccc 4 MEZZO STANDARD PACKAGE O raus 5 1 BEFORE RECORD DESGRIP TION m Z RECORDING VVINDOW DESGRIPTIODI ss niue cm nai tic B Neu enne ca lol c 9 10 24s PR Ur TTE 11 SDA TE S RIME aea 11 SBEEGT TTHESOEDBI dica trou bibe dad 12 Sola iad Seen et re ee re ers e a eT ere ce rt err re 13 2 RECORD T RECORDING AUDICIIN THE mUP CU Ut Ya 15 2 ENTERING MARIS eL EM d dau E db sim Sn bbc d du Pom LM IM Hu ids 16 SVAADJUSTING INE UT PE VES deat asa redibit tag at 16 4 CHANGE RECORDING FORMAT Ora Eram te Pon ey beta proe 16 SAU TOMATIC GAIN CONTROEWAGG Mimi Am ure air 18 6 VOLUME OPERATED RECORDING Reda n 19 7 MICROPHONE POWER SUPPLY Mic Power 20 Ez eee
9. Set recording light ON or OFF OFF During recording record LED is OFF ON During recording record LED flashes Beep Beep is the sound when you press any key You can turn ON or OFF the beep function using this option OFF Turn off on Notes MEZZO s Audio Technology Switzerland S A DOO The beep tone can only be heard through headphones opeaker Screen Timeout Shut Down Timeout MEZZO Set up built in speaker ON or OFF OFF Internal speaker OFF ON Internal speaker ON Note Built in speaker will be cut when headphones are connected Set the display backlight ON or OFF NEVER Screen backlight remains ON permanently 10 SECONDS Screen backlight goes off automatically after 10 seconds 30 SECONDS Screen backlight goes off automatically after 30 seconds 60 SECONDS Screen backlight goes off automatically after 60 seconds Note Pressing any key will re light the display for the selected time period Set automatic shutdown time NEVER Never turn off the recorder 30 SECONDS Recorder turns off automatically after 30 seconds of no operation 60 SECONDS Recorder turns off automatically after 60 seconds of no operation 180 SECONDS Recorder turns off automatically after 3 minutes of no operation 300 SECONDS Recorder turns off automatically after 5 minutes of no operation 229 0201 Audio Technology Switzerland S A
10. Switzerland S A TROUBLE SHOOTING MEZZO 35 Audio Technology Switzerland S A 1 SYSTEM TIPS While using the MEZZO some information tips or error messages may appear Primary causes and solutions are listed below Note You can try the following instructions to troubleshoot the problem yourself Please contact to our customer support for additional information Low Power Batteries are exhausted ten martes HOLD HOLD ON EORR HOLD svin ome OFF Failed to record System error Reinstall default settings and format disk Failed to open work folder Disk or system error Turn off recorder reboot and retry If problem prevails re format disk Failed to scan file Disk or system error Turn off recorder reboot and retry If problem prevails re format disk MEZZO 36 Audio Technology Switzerland S A Too many files in the folder The MEZZO can read first 1000 files in any folder Delete some files Failed to open file File is damaged File format is unsupported Low free space Internal memory is full Delete some files Disk Error and power off Error occurs Format disk Format Failed Problem occurs when formatting disk Cannot complete formatting P lease retry formatting If problem continues use a computer to format disk Retry to adjust LEVEL or set VOR after cancelling the AGC function Retry to open AGC af
11. d Hand held audio recorder MEZZO Audio Technology Switzerland S A BEFORE RECORD MEZZO 6 Audio Technology Switzerland S A 1 PANEL DESCRIPTION BUILT IN MIC LEFT CHANNEL BUILT IN MIC RIGHT CHANNEL LCD SCREEN FOLDER key MENU key PLAY PAUSE key PREV FF LEVEL key NEXT FB LEVEL key 9 REC OK key 10 STOP key 11 MARK A B key 12 POWER key 13 DELETE key 14 SPEAKER 15 SCREW HOLE 16 BATTERY BOX CONDO gt MEZZO 1 Audio Technology Switzerland S A 17 PHONE JACK 18 VOLUME key 19 VOLUME key 20 HOLD switch 21 HAND STRAP HOLE 22 MIC IN JACK 23 LINE IN JACK 24 USB INTERFACE MEZZO Audio Technology Switzerland S A 2 RECORDING WINDOW DESCRIPTION 1 Current Date amp Time 2 Battery status 3 Recording file format 12 formats can be set HPCM S HPCM M MPCM S MPCM M LPCM S LPCM M HMP3 S HMP3 M MMP3 S MMP3 M LMP3 S LMP3 M 4 Current folder Folder A Folder B Folder C Folder D Folder E Folder MUSIC 5 MARK position MARK counter 3 marks can be entered when recording files 6 Input Devices IMIC EMIC LINE 7 Filter status Filter active this symbol appears 8 VOR or AGC status 9 PEAK status 10 Level meter 11 Run status 12 Recording duration 13 Recording time remaining 14 File name MEZZO AC 10 11 12 08 08 08 08 08 HSFCH HB 8185
12. ding as necessary assuming the AGC is not activated 1 START recording Point the microphone towards the sound source Press REC key to start recording f screen status icon display and the recording LED 16 on this indicates recording is under way 2 PAUSE recording Press I key to pause Press i7 key again to continue to record 3 STOP recording Press and hold the lt m gt key for 3 seconds until recording stops MEZZO 15 Audio Technology Switzerland S A 2 ENTERING MARKERS During record press the lt MARK A B gt key to enter markers Note 3 markers can be entered when recording files 3 ADJUSTING INPUT LEVELS In stereo or mono mode the input level can be adjusted using the lt gt or lt PPI gt keys in steps of 1 dB from 0 dB to 40 dB for the microphone input 1 Press REC key to start recording 2 Press lt PPI LEVEL gt key to increase input gain during recording process Press lt 144 1 gt key to decrease input gain during recording process 3 Press and hold the lt m gt key to stop recording Note AGC must be OFF 4 CHANGE RECORDING FORMAT The MEZZO supports 12 recording formats PCM is up to 96 KHz 24 bit WAV lossless stereo PCM format files are larger but have higher fidelity MP3 format file has good recording quality yet smaller capacity MEZZO 16 Audio Technology Switzerland S A 1 Press the MENU key to enter the settings 2 Press
13. equency sound of the wind or the hum noise from an electrical device 1 Press the MENU key to enter the settings 2 Press the lt 44 gt lt gt gt key to select Recording settings and press the REC OK key to enter 3 Press the lt k 4 gt lt PPI gt key to select Filter and press the lt gt key to enter 4 Press the lt k 4 gt lt PPI gt key to select ON and press the lt gt key to confirm OFF Turns off Filter Turns on Filter The top of screen displays indicating filter is on 9 Press the MENU key to exit settings MEZZO A Audio Technology Switzerland S A PLAYBACK MEZZO iII Audio Technology Switzerland S A 1 The MEZZO supports WAV MPEG 1 layer II 2 MPEG1 layerlII MP3 WMA playback formats 1 START PLAYBACK Press the lt pii gt key and the machine starts play the selected file immediately 2 PAUSE PLAYBACK Press the lt gt key to pause during playback process Press the lt pil gt key again to continue playback 3 STOP PLAYBACK Press lt gt to stop the file playback 4 PREVIOUS TRACK NEXT TRACK Press lt 14 to to start of the previous track Press bl to skip to the start of the next track NEXT FB LEVEL Note STOP If you added bookmarks press lt gt lt gt key to jump between bookmarks 5 REWIND FORWARD Press lt gt without letting go then release key to s
14. lt 4 gt lt gt gt key to select Recording settings and press the REC OK key to enter 3 Press lt K d gt lt PPI gt key to select Format and press the lt gt key to enter 4 Press the lt k 4 gt lt PPI gt key to select the desired recording format and press the lt REC OK gt key to confirm 5 Press the MENU key to exit settings The different recording formats are as follows Stereo HPCM M 96KHz 24Bis _ PCM Mono MPCM S 48kHz 2486 Stereo MPCM M 48kHz 24Bis _ PCM Momo LPCM S 48kHz 16Bis _ PCM Stereo LPCM M 4BkHz 16Bits _ PCM Momo HMPS S 48kHz 320kbps _ _ Stereo HMPSM 4BkHz 160kbps MP3 _ Moo MMP3 M 48kHz 128kbps _ Momo 1 MEZZO Audio Technology Switzerland S A 5 AUTOMATIC GAIN CONTROL AGC AGC operates in the digital domain and allows the operator to make recordings without under over modulating when the audio levels are unpredictable If the level of sound is weak AGC increases the gain automatically When the volume of sound is loud AGC reduces gain so that recording level will not exceed limits to avoid distortion Press the MENU key to enter the settings Press the lt 4 gt lt gt gt key to choose Recording settings and press the REC OK key to enter Press the lt 4 gt lt gt 4 gt key to choose AGC
15. ology Switzerland S A Format MEZZO Recording settings Set recording format HPCM S 96kHz 24Bits PCM Stereo HPCM M 96kHz 24Bits PCM Mono MPCM S 48kHz 24Bits PCM Stereo MPCM M 48kHz 24Bits PCM Mono LPCM S 48kHz 16Bits PCM Stereo LPCM M 48kHz 16Bits PCM Mono Page 16 HMP3 S 48kHz 320kbps Stereo HMP3 M 48kHz 160kbps Mono MMP3 S 48kHz 256kbps Stereo MMP3 M 48kHz 128kbps Mono LMP3 S 48kHz 128kbps MP3 Stereo LMP3 M 48kHz 64kbps MP3 Mono Set up AGC ON or OFF OFF Turn off AGC Page 18 ON Turn on AGC Set up VOR ON or OFF OFF Turn off VOR L Sensitivity Turn on VOR Higher volume needed to start recording Page 19 M Sensitivity Turn on VOR moderate volume needed to start recording H Sensitivity on VOR lower volume needed to start recording 230 Audio Technology Switzerland S A 21 MIC Power oet up microphone power supply ON or OFF OFF Turn off microphone power supply Page 20 ON Turn on microphone power supply Filter Set up recording filter ON or OFF OFF Turn off recording filter ON Turn on recording filter Playback Settings Repeat Set up the repeat mode Sequential Playback the files in order until the last one Then playback stops Page 24 Loop Once Repeat the file Loop Repeat all the files in folder System Settings This sets the master system clock Recording LED
16. s Loop Once Repeat the file Loop Repeat all the files in folder 5 Press the li key to move back through the menu or press MENU to exit the settings menu 6 Press lt gt to playback file No icon when using Sequential Icon displays 14 under Loop Once mode Icon displays J under Loop mode 7 Press lt m gt key to stop MEZZO vts Audio Technology Switzerland S A MEZZO 26 Audio Technology Switzerland S A 1 OPERATIONAL APPROACH All of the settings and parameters of the MEZZO are made through a selection of menu s Press the MENU key and a sub menu appears giving access to the Recording Settings Playback Settings and System Settings 1 Enter menu Press the MENU key to enter sub menu in STOP mode Press the MENU key to enter Playback settings in PLAYBACK mode 2 Up down through menus Press lt gt and scroll up to browse menu options Press lt gt gt scroll down to browse menu options 3 Enter this option Press the lt m gt key to select option 4 Set up parameter Press the lt gt key to set up parameter and press the lt gt key to confirm 5 Exit menu Press the lt gt key to back step through the menu Press the MENU key to exit and return to STOP mode MEZZO Audio Technology Switzerland S A 2 OPTIONS MEZZO 22585 Audio Technology Switzerland S A MEZZO 229 Audio Techn
17. ter cancelling VOR function The file can t set AB some WMA files do not support A B repeat mode The file can t mark Some WMA files cannot accept bookmarks MEZZO Audio Technology Switzerland S A 2 FAQ You can try the following instructions to troubleshoot problems Please contact to our after sales service department if the problems continue FAULT PHENOMENON CAUSES AND SOLUTION Cannot Boot Wrong battery polarity Correct polarity Low battery Install new batteries HOLD ON Switch to HOLD OFF and reboot opeaker Doesn t Work Lowest volume is set Increase the volume Headphone inserted When inserting headphone speaker stops working automatically Pulling out headphone connector allows the internal speaker to work again The option SPEAKER in System Setting is OFF Set the option ON When Inserting Headphone Headphone failure The headphone doesn t Change a headphone MEZZO 38 Audio Technology Switzerland S A Please insert headphone to the bottom of jack Delete some files or format disk increase record gain and record again Automatically Record pauses automatically when level is below VOR trigger level Low Volume of Recorded Some audio details cannot be heard due to low volume File urn up volume Gain too low when recording causes level of recorded file to be too low External software ma
18. top rewind Press lt PPI gt without letting go then release key to stop forward MEZZO 23 Audio Technology Switzerland S A 2 1 Press lt 4 gt lt gt gt key to select the file 2 Press lt gt to start playback 3 Playback to the start of the portion to be repeated press lt MARK A B gt to set the start point A ocreen displays A 4 Playback to the ending of the portion to be repeated press lt MARK A B gt key again to set up the B point ocreen displays A B 5 Exit A B repeat mode Press the lt MARK A B gt key at third time exit A B mode and continue to playback the file Press the lt gt key to exit A B repeat mode and stop playback Note Rewind Forward works normally under the A B repeat mode You cannot use A B repeat mode across tracks You can pause playback while in A B repeat mode MEZZO 22 Audio Technology Switzerland S A 3 REPEAT MODE You can set the playback mode to three modes Sequential Loop Once or Loop 1 Press the MENU key to enter settings 2 Press lt 44 gt lt gt gt to select Playback Settings and then press the REC OK key to enter 3 Press lt 4 gt lt gt gt to select Repeat and press lt gt key to enter 4 Press lt 44 gt lt gt gt to select cycle mode and press the lt gt key to confirm Sequential Playback all the files in the folder in order then playback stop
19. will automatically re create upon start up MEZZO 212 Audio Technology Switzerland S A 7 DELETE FILE 1 Press the DELETE key to show the DELETE MENU 2 Delete files Delete the file Press lt k d gt lt PPI gt to select Delete this file and press lt gt key Press lt k d gt lt PPI gt key to select OK and press lt gt key to confirm Delete all the files in the folder Press I lt gt to select Delete files in this folder and press lt gt key Press lt 44 gt lt gt gt to select OK and press REC OK to confirm Delete bookmark Press lt k d gt lt PPI gt to select Delete bookmark and press the lt gt key Press lt 44 gt lt gt gt to select OK and press lt gt to confirm 3 If you don t need to delete the file please select CANCEL at STEP 2 MEZZO 13 Audio Technology Switzerland S A MEZZO 14 Audio Technology Switzerland S A 1 RECORDING AUDIO IN THE FIELD Before making a recording the compression mode needs to be chosen If nothing is set in the templates prior to the first recording then the default settings will be adopted Please check the batteries before recording to make sure that recorder has enough battery power to record normally Press the centre key once more The red LED will stay red and the record symbol is shown on the display The levels can be seen on the display and adjusted during recor
20. y be used to enhance recorded level Please be careful to use a suitable record gain in future Recorder Stop Functioning This may be caused by battery contact fault or low battery reserve The Normally MEZZO may crash Take out batteries and replace them with 2 new batteries and retry Disk or system error Recover system setting and format disk screen Time Display as No file in recorder 00 00 00 00 00 00 lfthere is file in recorder time information cannot be displayed Incomplete Menu Display the playback process Recording settings and System Settings are not adjustable so the menu will only display Playback Settings MEZZO 39 Audio Technology Switzerland S A ADDITIONAL INFO MEZZO 40 Audio Technology Switzerland S A 1 SPECIFICATIONS GENERAL 94dB bandwidth 20Hz 22KHz ASA A weighted 90dB Mic input 19dB Pre amp A D 20Hz to 22KHz ASA A weighted gt 90dB PHYSICAL MEZZO sala Audio Technology Switzerland S A INPUTS 8 OUTPUTS Built in MIC LINE IN 3 5 mm unbalanced stereo jack connector Stereo headphone output 3 5 mm stereo jack connector POWER SUPPLY Battery 2 X AA dry or rechargeable batteries Mini USB jack 138mW Standby 192mW Recording MEZZO dp Audio Technology Switzerland S A 2 SAFETY STATEMENT Product Safety Do not place any heavy item on the recorder Do not drop the recorder or accessories Do not use the

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