Home

NAGRA-SD PROVISIONAL USER MANUAL

1. 8 2 eler uuu u Ee 8 7 3 SION Settings Na template aaa 8 7 4 Deleting an audio recording Tap iG u u u 8 S MENUS eege 9 9 RECON 11 oI Ee 11 S ELE 12 o PO JO WEE 12 b VOL uuu 12 SEOSVIGE 12 lee ea cl aa sas 12 aaea 12 12 CO 12 5 6 9 BECP En de Le 12 0 24 Speaker ae EE 12 2 13 9 2 NR EE luede EE 13 9 2 7 PAULO POWER ee 19 DA Iy uu RE A ee 19 VUSB WIE DOECO L u uum Yaynu u mu Shui ananman wam asa kuni sil tente aha u Sumu bass 13 9210 Language SEINS uum una Tanay yaa hayu hiwa 13 82 1 SD IN OrMAtIOMEES SERRES SE ee 19 02 l2 oD Speed leS Eens 13 2 13 ot cans meee ates dace sos aud 19 S 1o 19 e EM Upda ee
2. 19 9 MICROPHONES AND SETTINGS n nn tt 14 10 LOW CUT FILTER OR NOT ON THEN Ab E eegene teguteeugge eege keEeee gea eghegeCeeeeg EE KEES ege eege dek ee 14 11 AUDIO COMPRESSION WHY AND WHEN TO USE IT Q J J J 14 USB 14 19 SPECIFICATIONS uuu nam alatasa an aaa aus 16 Page 3 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 1 GUARANTEE Nagra Kudelski certifies that this instrument was thoroughly inspected and tested prior to leaving our factory We guarantee the products of our own manufacture against any defect arising from faulty manufacture for a period of two years from the date of delivery This guarantee covers the repair of confirmed defects or if necessary the replacement of the faulty parts excluding all other indemnities All freight costs as well as customs duty and other possible charges are at the customer s expense Our guarantee remains valid in the event of emergency repairs or modification being made by the user However we reserve the right to invoice the customer for any damage caused by an unqualified person or a false manoeuvre by the operator We decline any responsibility for any and all damages resulting directly or indirectly from the use of our products Other products sold by KUDELSKI S A are covere
3. 7 1 Recording audio in the field General preparation Before making a recording the input source and compression mode need to be chosen The NAGRA SD makes recordings according to the pre selected settings stored in the templates as well as some settings on the rear side If nothing is set in the templates prior to the first recording then the default settings will be adopted If specific settings are required then they must be selected first using a previously customized template Input device external microphone line input Compression format linear PCM MPEG Select the input device in the menus Select the compression mode using the template switch on the rear side 2 different can be stored in the menus as well as the file type mono or stereo When ready press the centre key 11 and the NAGRA SD will go to the PRE REC mode where the audio input can be heard on the headphones and the levels seen on the display The centre LED starts blinking slowly In this mode the Pre record buffer when turned on max 3 seconds is also active If the AGC is turned off the microphone input gain can now be adjusted in 1dB steps using the keys 12 13 and the value is shown in a sub window on the display To begin recording press the centre key once more 11 The red LED will flash faster and the record symbol is shown on the display The levels can be seen on the display and adjusted during recording as necessary assuming th
4. first copy the update file NagraSD coe in the root of the SD card This can be done by inserting the card into a SD slot on the PC or via an USB connection with the Nagra SD Select the second window and press OK At the end of the update cycle the Nagra SD will automatically switch off Switch back on the Nagra SD and verify the version Page 13 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 9 MICROPHONES AND SETTINGS The NAGRA SD can use the following microphones External standard stereo clip on mic Red band External mono clip on mic Blue band External high quality stereo clip on mic Green band External dynamic microphone s with cable External Electret microphone s with cable The standard Stereo microphone Red band contains two cardioid capsules The high quality stereo microphone Green band has two cardioid capsules inside mounted on Stereo Mono Stereo HQ special shock resistant neoprene mountings The capsules are individually selected and matched in both noise and gain characteristics according to a strict selection and measurement protocol This microphone offers a good stereo image and is very versatile The mono capsule Blue band is an omni directional capsule which offers two principal differences to the stereo capsule Firstly being an omni capsule it captures much more of the ambience and is ideal for on the move journalism especially because most interviews are mono Secondly in an i
5. 1 Templates Before the templates can be selected with the switch on the rear side they first need to be stored Maximum 2 templates High quality and Low quality for the file type can be entered Several possibilities exist WAV PCM 16 or 24 bits MPEG1L2 MPEG1L3 MPEG2L2 Select one of the possibilities using the UP or DOWN keys and press the CENTRE key to confirm and to go to the next step Once the compression type is selected the corresponding sampling rate as well as the bit rate need to be entered Page 11 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 8 1 2 Matrix The input matrix permits the selection to deliver the analog input signal to the left and or right recording channel As an example After having selected Stereo both from left making a stereo recording with only one microphone connected to the left input will record the same signal on the left and right channels Both from left L only R muted Record file set Output L Output Mono from left Mono Mix Left amp Right Input L amp R 8 1 3 Pre record Pre record The pre record buffer can be turned off or set to 1 or 3 seconds 8 1 4 VOR Access to the parameters of the Voice Operated Recording mode trigger level VOR gt VOR level Level This sub menu permits to set the minimum input level before the recording starts or to turn off the VOR mode 10 dB FS Mode If Pause is selected the reco
6. Sampling Rate From 24 to 96 kHz selectable Compress Bit Rates 32 to 384 kb s Mono Stereo Switchable Dynamic Range Adjustment 45 dB for 0 dB record Filters Flat LFA Automatic Gain Control ON OFF INPUTS Mike Inputs 3 5 mm stereo jack connector Mike Powering 3V Electret Mike Input Sensitivity Minimum 1 5 mV Electret for full scale Minimum 650 Dynamic Line Inputs 3 5 mm stereo jack connector Line Input Sensitivity 33 mV to 6 2 V for 0 dB recording OUTPUTS Headphone Line output 3 5 mm stereo jack connector Line Output Level Maximum 0 9 V RECORDED FILE THD N at 1 kHz 0 025 Frequency Response 25 Hz 20 kHz 3 dB in EE mode Total Dynamic Range Line Output Up to 80 dB Total Dynamic Range On Recorded File Up to 90 dB Built in Speaker 0 1 W USB V2 0 POWER SUPPLY Internal Batteries 2 x AA cells Consumption 3 V maximum 150 mA gt 10 hours PHYSICAL Dimensions 107 x 63 x 24 mm 4 2 x 2 6 x 1 inch wo plug on mike Weight 250g 0 5 incl batteries w o plug on mike Specifications are subject to modifications without notice Page 16 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 NAGRAVISION SA KUDELSKI GROUP Route de Geneve 22 CH 1033 Cheseaux Switzerland Phone 41 0 21 732 0101 Fax 41 0 21 732 0100 E mail audio pro nagra com All rights reserved February 2011 Page 17 of 17 Copyright NAGRAVISION S A 2011 February 9 2011
7. each recording Use the RIGHT key to highlight the first item to be set Use the UP or DOWN keys to select the corresponding number and press the RIGHT key to go to the next area Once the settings made highlight OK and press the CENTRE key CE One record led is integrated in the centre key 11 Select the desired function and press the wasi CENTRE key Time amp date P 2010 041 16 06 57 20 8 2 3 Beep settings This menu permits to turn on or off the beep in the headphones or speaker Beep settings Page 12 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 Speaker settings gt 8 2 4 Speaker settings The built in speaker can be turned off or set to auto In the case that auto is selected the speaker is turned on only in the play mode 8 2 5 Auto skip Permits during the play mode to jump to the next index if On is selected Selecting Index loop restarts the playback of the same index 8 2 6 Display extinction To save battery power the screen can be turned off automatically after a selected time Note If activated the display will automatically turn off when no key is pressed after the selection Push any key to turn the display on again 8 2 7 Auto power off This menu allows several possible settings to power down the machine when no keys were pressed for a period except when in record or play modes Selecting Off disable
8. in normal playback mode or alternatively via the USB port to the PC MAC Connect the USB cable to the computer and to the NAGRA SD Power up the NAGRA SD When the USB is connected a sub window appears giving the possibility to select Power or USB communication Make a selection and press the CENTRE key Page 14 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 The USB power position is for simply powering the NAGRA SD through the USB port for normal operation without internal batteries If the USB transfer is selected the machine will immediately appear as a removable disk in the explorer of the PC MAC The NAGRA SD display shows USB Connecting On a PC or Mac the Explorer will display a folder called RECORD in which all recorded indexes are stored Download speed from the machine to the computer is at a fixed bit rate and the full memory in whatever format will take about 6 minutes per GB to copy This could correspond to almost 3 hours of PCM linear or equally 68h of MPEG as an example Looking at it from the other direction 1 hour of recording in PCM will take approx 5 minutes Page 15 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 13 SPECIFICATIONS GENERAL Data Storage medium SD HC card FAT 32 Recording Method Digital PCM or Digital compression Compression type ISO MPEG Layer File Format 16 Bit Wave Format xxx WAV or MPEG Raw xxx MP2 xxx MP3
9. one works outside when unexpected wind noise may be encountered 11 AUDIO COMPRESSION WHY AND WHEN TO USE IT The NAGRA SD is able to record using different Audio qualities PCM Linear MPEG Layer II MP2 and MPEG layer MP3 that have their own particular advantages which are explained below What to use Firstly the less compression used the better the quality will be However at higher bit rates 884 kbits s you can easily record music and it will probably not notice any difference Audio Quality A few guidelines should be considered For journalism interview work it is unnecessary to use PCM linear Generally MPEG 1 Layer Il is used and the compression bit rate is generally defined by the broadcaster For music effects PCM linear is the best quality although MPEG at a high bit rate is probably good enough and gives faster download time For ultra long recordings use a very low bit rate where quality will be Dictaphone quality Some important things to remember Some computers will not play MPEG 1 Layer II compressed files without an appropriate audio editing software Typically some versions of the Windows Media player fall into this category Audio CD s will only accept 44 1 kHz linear PCM if they are to be played on a standard CD player 12 USB The miniature USB port serves two purposes File download or external DC powering Audio can be extracted either through the line output
10. or play e Inthe menus shifts to the right 11 RECORD key centre key e Put the machine in EE mode LED starts blinking slowly e Starts a record LED fast blinking e n the menus executes a selection 12 13 INPUT LEVEL keys e Decreases 12 or increases 13 the input sensitivity 14 15 OUTPUT LEVEL keys e Increases 14 or decreases 15 the output level for the speaker or the headphone output 16 PEAK LED e Lights up when an input clipping occurs 3 2 Rear side 1 MIC GAIN switch e Selects high or low sensitivity for the microphone input LOW HIGH ON OFF 2 FILTER switch W M e Turns the low cut filter on or off MIC GAIN FILTER age MONO STEREO ON OFF LOW HIGH 3 AGC switch KUN H FILE TYPE MIC POWER QUALITY e Turns the automatic gain control on or off 4 FILE TYPE switch e Selects a mono or a stereo file type 5 MIC POWER switch e Turns on or off the 3V for Electret power 6 TEMPLATE switch e Selects one of the two templates previously stored in the memory 7 HOLD switch e Locks or unlocks the keyboard during all modes including power off 8 SPEAKER Page 5 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 9 BATTERY COVER e Slide down to open 3 3 Left side 1 USB CONNECTOR e For transferring files or external power e Software update 3 4 Right side L ms ze 1 SD slot 2 HEADPHONE LINE output 3 5 Top face LINE input e 3 5mm
11. 5 AGC status Indicates if the Automatic Gain Control is turned ON or OFF The name AGC B appears inside the pre record and record icon L off ei AEK Hz ST 10 12 06 08 35 42 6 6 Output volume 00 00 USER0009 W AY The output volume level for headphones line output or internal speaker play mode can be adjusted with the keys 14 amp 15 The output volume bar appears Audio parameters when pressing one of the 2 keys 6 7 VOR status The VOR settings are made in the record settings menu When turned on the main pre record display shows pause instead of stop The letter P is also shown inside the pre record icon The AGC is automatically disabled if the switch was set to on 6 8 Modulometer Full scale from 50 dB to 0 dB with peak hold indicator for left and right channels 6 9 Play Record file name The name of the current file during record or playback Page 6 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 6 10 Play Record counter Display in hours minutes amp seconds since the playback or recording was started 6 11 Total file Free record time In playback the counter shows the duration of the current file and in record it shows the remaining capacity left in the memory 6 12 File counter Cue counter The left counter indicates the total number of recorded files The right counter indicates the number of the file ready to be played back During record the right counter increments every time a c
12. NAGRA SD PROVISIONAL USER MANUAL VIEW CUE FILES MENU ASB A E NAGRA SD Copyright NAGRAVISION S A 2010 T GUAR AR 2 DELIVERED WIIKKuQ k S PANEL DESCRIPTION DE 3 LONE panel KEY Tei e 3 2 REAT SIOE uD J 3 E D DED oB TAC Re LINSTALEING BATTERIES cr 9 FIRST POWER ON tee en G RECORD WINDOW DESCRIPTION uuu un EEN O T MISW dees BEER o 3 EE e ee leve E 04 Fiter TT 65 SUAS catia cca a E a ne NEEN 0 7 VOR u 6 8 Modulomeleru u 6 9 Play R cordil NaMe uu 6 10 Play Record col terou saa en 611 Total file Pree e ime een state 6 12 File counter GUC COUNTER sais icc ull Ee ZE AUdIO Eu E EC 019 USB eege eeJeyooarwsioauus sw lee USING THE NAGRASSD E CA Recording GUGIO IN UNG Te Automate EE eege Page 2 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 7 2 Playback Ol a Prev ons ECON
13. d by the guarantee clauses of their respective manufacturers We decline any responsibility for damages resulting from the use of these products We reserve the right to modify the product and or the specifications without notice 2 DELIVERED WITH The package includes 1 NAGRA SD 1 USB cable 1 CD manual 1 Carrying case 1 Carrying strap 1 SD card Page 4 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 3 PANEL DESCRIPTION 3 1 Front panel key functions 1 VIEW key e Permits to swap between the 2 displays 2 MARK key e To enter markers Cue points during record 3 MENU key e A short press selects the directory a long press selects the menus 4 Ac SB key e To enter 2 markers for a playback loop 5 DELETE key 9 Deletes the selected index 6 POWER key e To turn on or off the Nagra SD B IFAS RE EE RE Co 7 DOWN key LILI 02 50 39 e Stops a record mamm USEROOOS WAY e move downwards in the directory or menus VIEW CUE FILES MENU 8 LEFT key ER e Rewinds during playback when pressed and hold e Skip backwards during stop or play In the menus shifts to the left or quit them Cc 11 DELETE 9 UP key O em 9 Starts a playback POWER e Put the playback in pause mode e Inthe menus or directory shifts upwards Y NAGRA SD 10 RIGHT key it Shudu a S e Forwards during playback when pressed and hold e Skip forwards to the next index during stop
14. e AGC is not activated To enter markers during record press the CUE key To stop recording simply press and hold the STOP key 7 for 3 seconds until the time line in the sub window is filled up Each new recording will be given a file name made up of 8 digits This file will be stored in the directory Page 7 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 7 1 1 The Automatic Gain Control A G C The AGC is not an audio limiter It operates in the digital domain and allows the operator to make recordings without under over modulating when the audio levels are unpredictable It makes recording in the field easier and guarantees that a respectable level will be recorded Automatic adjustment systems are rarely better than the manual modes but can be considered safer in certain circumstances It is also strongly recommended to switch on the low cut filter when using the AGC for recordings in noisy environments example Street noise 7 2 Playback of a previous recording The NAGRA SD can play back files irrespective of the current compression mode selected To playback the last recorded file press PLAY PAUSE and the machine starts playback immediately To stop the playback press the STOP key To pause the playback use the PLAY PAUSE key If the recording was made with markers during the playback briefly press the RIGHT or LEFT keys to jump to the next or previous mar
15. ker position respectively To playback another file briefly press the RIGHT or LEFT keys to scroll through the recorded files available Once PLAY is pressed the new file will be played immediately During a playback of a file the full PLAY PROGRESS BAR corresponds to the total length of the file When a new file has been selected for playback the TOTAL TIME counter will indicate its full length and the PLAY TIME counter starts incrementing once the playback begins During playback to REWIND press and hold the LEFT key to go FORWARD press and hold the RIGHT key 7 2 1 Adjusting playback levels The output volume level for the headphones and line output can be adjusted by the OUTPUT LEVEL buttons in steps of 1 dB from 0 dB down to 62 dB This value is also shown on top of the display HP followed by a number 7 3 Storing settings in a template Templates are used to store the settings for the NAGRA SD These templates contain the type of compression Templates 2 templates are available HIGH amp LOW and each can store the desired compression mode sampling frequency and bit rate To go to the programming position in STOP mode press and hold the FILES MENU until the menus appear on the display Select RECORD SETTINGS and press the right key Select TEMPLATE and press the right key Select one of the 2 templates and press the right key Se
16. lect the type of compression and press the right key Enter also the SAMPLE RATE as well as the BIT RATE To quit the menus press the left key several times Once completed the desired template can be selected on the rear side of the NAGRA SD by selecting the HIGH or LOW template as well as the type of recording stereo or mono file 7 4 Deleting an audio recording rapidly Any audio file can be selected from the STOP mode by pressing the LEFT or RIGHT keys Once the corresponding file is shown on the display press the DELETE key and confirm to delete the file Page 8 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 8 MENUS Most of the settings and parameters of the NAGRA SD are made through a selection of Menu s Press the FILES MENU key and a sub menu appears giving access to the RECORD SETTINGS and SYSTEM SETTINGS The UP or DOWN keys will highlight the different choices and the RIGHT key confirms the selection Page 9 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 Note While surfing through the different menu windows in some cases the CENTRE key or RIGHT key can be used to advance one step but also the UP and DOWN keys To go one step back or to escape from a particular screen press the LEFT key Page 10 of 17 Copyright NAGRAVISION S A 2011 February 9 2011 8 1 Record settings 8 1
17. nterview situation it is not necessary to point the microphone at the person speaking The omni direction characteristics allow all those being recorded to be captured equally hence making the journalist job less intimidating In addition it offers longer recording times to the NAGRA SD as the recorded files can be mono The use of the foam windshield is strongly recommended with the clip on NAGRA microphones 10 LOW CUT FILTER OR NOT ON THE NAGRA SD 1 0 The ARES ML is equipped with a analogue low cut filter integrated within the eg microphone pre amplifier This filter can be turned ON or OFF as desired 20 30 The frequency of the cut is at 100Hz with a gradient of 40 dB octave peas This filter can be activated for each microphone type as defined in the USER list SE DYN NAGRA COND po It is specially useful for recordings made using directional microphones outside in 85 Li windy conditions such as the stereo NAGRA microphone In fact cardio d speed LR P ke EE capsules such as the NAGRA microphone are susceptible to vortexes induced by as wind moving round the microphone capsule contrary to omni directional pressure capsules which are not Note however that the NAGRA microphone is equipped with a fine silk screen directly behind the grill basket carefully positioned to compensate for these vortexes and pop effects It is also recommended to use the external foam windshield whenever
18. rding will be paused with default 20 0B FS settings depending from the stop delay if the level drops 25 dB below the trigger level If the input level rises again above the trigger level the recording on the same file will continue VOR mode gt If Split is selected the recording will be stopped with default settings depending upon the stop delay if the level drops 25 dB below the trigger level If the input level rises again above the trigger level a new record will start 30 dB FS Pause VOR delay Delay Once the VOR recording started and the input level drops 25 dB or more below the trigger level it allows to select the maximum recording length before it stops 8 1 5 Input device Permits to select the input device microphone or line input and to preset the input sensitivity input level Press the RIGHT key until the gain is highlighted Use the UP and DOWN keys to set the level Highlight OK and press the centre key Input Device Line in 8 1 7 Prefix name NF nama This sub menu allows 4 characters to be entered Once USER is highlighted use the UP and DOWN keys to select a character Press the RIGHT key to go to next step etc Once all characters entered press OK Example of a file name USER0001 8 2 System settings 8 2 1 Time amp Date The TIME amp DATE sub menu permits to set the correct time start and date for
19. s this mode Auto power off gt 8 2 8 Battery type Selects the type of battery used in the NAGRA SD This is important to optimize the power consumption of the machine to maximum Dry cells will deliver 3V Ni mH delivers 2 4V 8 2 9 USB write protection When turned On and connected to a PC or Mac via USB no files can be copied to the NAGRA SD 8 2 10 Language settings English French or German are available 8 2 11 SD information Gives information about the size the free memory as well as the used memory on the card Capacity 3878 M Free 3870 M 8 2 12 SD speed test Used 8 M This sub menu permits to test the record and playback speed of a SD card SD speed test d Write 14 Test finished Speed P2 2 Avg 1 3M Ins 1 3M SD card is OK W Avg 1 3M R Avg 1 3M Are you sure to test SD speed Min 1 2M Max 1 4M W Min 1 2M R Min 1 3M OK Cancel DEL Exit DEL Exit DEL Exit 8 2 13 Format Formats the card Attention All files will be lost Format Are you sure to format the card or 8 2 14 Version Hw Ver 1 0 0 0 Shows the hardware and software version of the machine Soft Ver 4004 System reset 8 2 15 System reset Reset all settings including the stored templates to the default settings Are you sure to reset 8 2 16 System update System update System update Loader Ver 1 2 0 0 Are you sure to update To update the Nagra SD
20. stereo jack for line inputs ce GT en UNEN ext mic MIC input e 3 5 mm stereo jack for external microphone inputs 4 INSTALLING 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 can not be charged inside the NAGRA SD 5 FIRST POWER ON Push and hold the Power key 6 for 3 seconds the machine turns on and shows the STOP window display To jump to the PRE RECORD window press the centre key 11 The led starts blinking slowly 6 RECORD WINDOW DESCRIPTION Swapping between the 2 displays A amp B is done via the VIEW key 1 View Input type Input level Battery status 6 1 View Area that indicates the name and function of the selected display aie aS ERIC Li 103 6 2 Input type Modulo meter Ge a a Indicates the input status microphone or line input 24 2 E A CSSS 3 ln r rd level Run status geet Sp h input be adjusted with the keys 7 amp 9 i WLU LILY 02 50 33 e record level for microphone input can be adjusted wi e keys in steps of 0 5 dB from 118 dB to 74 dB 45 dB range Line from 29 dB to 15 00 00 USEROOOS WAY dB File counter Cue counter Play record counter Play record flle name 6 4 Filter status Total file free record time This is not shown on the main display but can be checked on the rear side of the recorder ESS as EF1IC L i 103 6
21. ue point is entered 6 13 Run status Stop Monitoring EE mode pre record buffer Record Play Forward Rewind Pause 2Y VOOR 6 14 Audio parameters This area shows left to right the current file type the bit rate the sampling frequency and followed by date and time 6 15 USB status This sub window appears when the machine is connected via USB to a PC MAC 6 16 Keyboard status sub window appears when the keyboard is locked by means of the hold key on the rear side 6 17 Battery status 3 Stripes inside the icon indicate full capacity 7 USING THE NAGRA SD Basic Introduction and General Information The NAGRA SD is designed as a flexible hand held recorder for a variety of applications It can perform many functions which are all covered in this manual The operating concept is designed around a system of 2 preset TEMPLATES in which all the required operating modes are stored The user can choose different parameters of the machine and these personalised settings are stored in a template for future quick access If no specific user Template profiles are stored then the NAGRA SD will operate using the default factory settings This introduction covers various important global subjects More complex operations can be understood by studying the different menus in detail The topics covered are Recording audio in the field Replaying a previous recording Storing settings in a template Downloading to a computer

NAGRA-SD PROVISIONAL USER MANUAL

Contents

Download Pdf Manuals

Related Search

Related Contents