Little DARling System User Guide
Contents
1. 15 4 5 2 Batteries and Battery Life eren enne 16 5 DARIink Hand held Remote Control Transmitters 17 5 1 Part Number Ke Ysacssiiecteesctsessesteensenseseeensessenseneenannseneeweeeeeeenn sens 17 6 Advanced TopiCSs iiueouneeununanaRRRAaRRRaRRERERRRRRERRARNRRRRESEEREEEERERRNANERRRERRERR 18 6 1 Use of Config Files erre erroe eere e enne nn nnn aai 18 6 2 General iieuiieriun ennsRumARUaRRRERRRNRRRREEERRRNERUNERHEERRRRARNNRRKERAREREEENNENENAE 18 6 3 Command LisL iioisisue cede En ceed EEEREAREMaRNR ERE NEAR REFERRE aaa ERR FER RRARRREE RENE 18 5 4 ExamplQis n aiias save Eukkuoua Ewan aaa A AAA EK ERR eaae NEEE 19 6 5 Codec Register Commands eere eno e nonna unu u nn an 20 T Appendia RR KaDEK RNERRVEHRRERERARVIKAREREEERANRAREREREER HERR 21 7 1 Transmitter DIP Switch Map eere rrr enr nnn n nnn un 21 7 1 1 Left Display Settings for Transmitter Switches 1 5 21 7 1 2 Right Display Settings for Transmitter Switches 6 O 22 7 1 3 Display Setting to Ignore DIP Settings not recommended M 23 7 1 4 Example S code xoi tude eva Ear Ez RagE ok EREKERO a E ONAREN REM 24 7 2 Firmware Update Procedure Le erre e enne unnh 24 7 3 Document Revision History cene eno e n2. SLATE4 AB p SLATES oa 1 1 slate tone generated SLATE6 AB 2 2 slate tone generated 3 3 slate tone generated 4 4 slate tone generated 5 5 slate tone generated 6 6 slate tone generated 6 4 Example KKEKKKKKKKKKKKKKKKKKKK Begin configO ini ACkCk KCkCk ck kCk ck k ck ck k k k k kk Specify Filename FILENAME AUDIO Specify battery as alkaline BATT 0 When battery starts to get low or card begins to fill up Switch over to 10min recordings 10MIN SAFETY 1 Allow wireless control of start stop ss 1 Questions Contact juicedLink 19 jump to CONTENTS Little DARling System User Guide Turn on buzzer for record stop RS BUZZ 1 Specify slate buttons SLATE1 11 SLATE2 12 SLATE3 13 SLATE4 14 SLATE5 15 SLATE6 16 it ACkCkC kCkCk ck kCk ck k ck ck k k ck k k kk End configO ini ACKCkCKkCkCk Ck Kok ck ck kock ck ck ck ck k k kk 6 5 Codec Register Commands During development we created direct access to the Texas Instruments TLV320AIC3204 codec registers via the config file The codec has numerous other features that are not used or necessary for this application such as filters AGC limiters etc We believe that it is much better to perform any wind noise filtering in post where much better granularity to the filter parameters are available trial and error can be done without consequence and different filters can be patched in or not at a
3. level in the event that the main channel gets blown out perhaps by a loud signal event such as your talent screaming The file name can be specified by the Use of Config Files The file extension is WAV Each individual track is 16b 48KHz Acknowledging that marketing of audio recorders has pushed higher sample rates on consumers we base this specification on the Meyer Moran paper published by the Audio Engineering Society that demonstrates that humans can not perceive the difference between CD quality 16b 44 1KHz and higher bit rates such as what is used with SACD or DVD A As an example even the highest quality lav microphone which may at best provide 70dB SNR for a lav with an unrealistically high 1Pa signal input can not come close to utilizing the 144dB of dynamic range from even an ideal 24bit A D and is serviced with plenty of margin by 16bits Over designing a system beyond what humans can perceive has consequences for other system parameters such as battery life file size and SD card selection 4 4 5 2 File Corruption Avoidance If a recording is terminated without properly closing down the file on the SD card for instance running out of room on the SD card or a power failure then it can become corrupted Although some techniques can sometimes recover corrupted files it is better to avoid this situation in the first place There are a number of Questions Contact juicedLink 14 jump to CONTENTS Little DARling
4. 50 3 18 3 46 4 14 4 42 5 10 5 38 6 06 6 34 7 02 7 30 7 58 8 26 8 54 9 22 9 50 1018 1046 11 14 11 42 12 10 12 38 13 06 13 34 14 02 14 30 14 58 15 26 15 54 16 22 16 50 17 18 17 46 18 14 18 42 19 10 19 38 20 06 2034 Hours Illustration 1 Battery Life Plots The type of battery chemistry used can be specified by the Use of Config Files This will set the voltage threshold to be used in the decision logic for when to shutdown the unit for File Corruption Avoidance t also sets calibrates the battery battery indicator in the b menu Illustration 1 also shows the limitation in the accuracy of the battery indicator as a number of the plots show how the battery voltage flattens over a significant duration of its discharge So for those batteries the voltage measurement is not a great indicator of the amount of battery life remaining Questions Contact juicedLink 16 jump to CONTENTS Little DARling System User Guide 5 1 Part Number Key This revision of the User Manual was written for the following part numbers e DARIink Hand held Remote Control Transmitters o DAR CMD HHLR 433 MD This is a Linx Technologies CMD HHLR 433 MD with an additional label for the proper button names Linx Technologies has obtained US FCC Part 15 Industry Canada and European CE compliance Compatible Transmitters o Linx Technologies CMD HHLR 433 MD o Linx Technologies CMD HHCP 433 MD Questions Contact juicedLink 17 jump to CONTENTS Little DARling System User Gui
5. DIP switches in the transmitter according to the Transmitter DIP Switch Map section 27 Select a Configuration File The c menu will display the current config file loaded and also allow you to select a different config file to load Understanding the capabilities provided in the configuration files is beyond the scope of the Quick Start Guide and is covered in the Use of Config Files section It is not necessary to select a configuration and default registers will be loaded for basic transmitter button functionality Here are some of the Questions Contact juicedLink 10 jump to CONTENTS Little DARling System User Guide 28 29 30 31 parameters that can be controlled by the config file Disable enable remote recording stop so it can not be accidentally triggered Enable disable buzzer Customize number of slate tones generated for each slate button Start a recording Hitting the REC button will remotely commence recordings on the target DARs This can be enabled disabled by the the Use of Config Files Slate a recording Hitting one of the numbered buttons will remotely activate a slate signal recorded in the target DARs A number of slate parameters for each button can be customized by the Use of Config Files Send slate to a camera The slate signal is also present at the output jack which can be connected to the mic input on a camera and recorded by its audio Stop a recording Hitting the STOP button will
6. headphone mutes and the L and R buttons become inactive as it returns to the normal recording state 21 Stop Recording Press the recessed M button to stop the recording 22 Playback a Recording Enter the P menu to playback recordings Hitting the L button will rewind the current file to the beginning Hitting the L button again will jump to the beginning of the previous file Hitting the R button will jump to the beginning of the next file 23 Power Off Press and hold the recessed M button for 5sec to power off the unit TIP Although usually have a pen around in the field to use as a tip you may not You can drop a pin in the battery tray or cut a pin down and trap it between the battery and the side of the battery tray This Way you will always have one in the field with you 24 Save recorded file to your computer Remove the microSD card from the DAR and insert it into your computer 3 5 Wireless Remote Control Watch a tutorial video covering the following steps 25 Equipment This section requires a Little DARling Distributed Audio Recorder with DARlink and a DARlink Hand held Remote Control Transmitters A single transmitter can control multiple DAR recorder units 26 Match the Transmitter DIP switch settings If you are using a Little DARling model that is enabled with DARIink and capable of receiving wireless remote commands then you will need to select a code in the E menu Then you will set the
7. the R and L buttons simultaneously will select that menu item for execution or manipulation of the parameters Pressing both the R and L buttons simultaneously again will exit that menu item and return to the main menu 13 Check Battery Level Select b and a number from 0 9 will be displayed indicating the relative battery strength For more information about powering the device including battery types battery life estimates and the limitations in the accuracy of the meter please jump to the Batteries and Battery Life section 14 Check Storage Availability Select 5 and a number from 0 9 will be displayed indicating the of memory available on the microSD card 3 4 Basic Recording Playback Watch a tutorial video covering the following steps 15 Select a Configuration File The c menu will display the current config file loaded and also allow you to select a different config file to load Understanding the capabilities provided in the configuration files is beyond the scope of the Quick Start Guide and is covered in the Use of Config Files section It is not necessary to select a configuration and default registers will be loaded for basic recording and playback 16 Connect a Microphone The input is a 3 5mm locking TRS tip ring sleeve jack Plug in power which is not the same as phantom power is provided on the tip and ring for electret elements common in lavalier mics The audio feeding the preamp is taken from the
8. tip The preamp then feeds 2 channels Questions Contact juicedLink 8 jump to CONTENTS Little DARling System User Guide of the codec recording 2 files the second recorded at a lower level as a safety track in case the main recording gets blown out More information on the operational details can be obtained in the Error Reference source not found section 17 Mic selection and proper use Lav mic selection polar pattern and signal to noise performance as well as proper microphone placement will effect the recording quality of your talent This is beyond the scope of the Quick Start Guide but more information can be found in the free juicedLink Field Guide to Audio Production There you will learn the SANASENECYA techniques for achieving excellent audio even on a budget 18 Adjust the Gain using Meter as guide Entering the 9 menu allows for adjustment of the codec audio gain and the signal level meter is displayed on the right display You will want to adjust the gain so the peaks splash up to the J on the display More information on the operational details can be obtained in the Error Reference source not found section 19 Check Audio Quality with Headphones The meter provides an indication as to the signal level but it does not provide any indication as to the quality of the audio signal For instance you may be experiencing a lot of wind noise but you would not know this by observing the meter only So you will p
9. 0000 i 00001 Questions Contact juicedLink 21 jump to CONTENTS Little DARling System User Guide 2 BB uu geo bu B ng Tuo us J O O F O he OH O F O nB C I Tamman on mt nn wa n o 01 11111 10001 00010 10010 00011 10011 00100 10100 00101 10101 00110 10110 00111 10 1000 1000 1001 1001 LI 010 1010 1011 1011 1100 1100 1101 101 1110 110 111 7 1 2 Right Display Settings for Transmitter Switches 6 0 Display Transmitter DIP Switches Questions Contact juicedLink L ca C3 m 22 jump to CONTENTS 1234567890 00000 10000 Little DARling System User Guide SOF Be Ure ae ty tu as eus s I a QUEE S LI eee 00001 O p OF OF O e O F O F 0 10001 00010 10010 00011 10011 00100 10100 00101 10101 00110 10110 COLL 111 1000 1000 1001 1001 1010 1010 1011 1011 1100 1100 101 1101 110 1110 013 11111 7 1 3 Display Setting to Ignore DIP Settings not recommended Display Transmitter DIP Switches L R 1234567890 Questions Contact juicedLink n any setting 23 jump to CONTENTS Little DARling System User Guide 7 1 4 Examples Display Transmitter DIP Switches L R 1234567890 i 0000100000 Eg uu 0001000000 4 t 1001100000 Sg 1001101111 J F 1001111111 7 2 Firmware Update Procedure There are no firmware updates at this time 7 3 Document Revision Hi
10. Phone In the field it is handy to be able to view the contents of the Config File for making your configuration selection You can get it to your smart phone a variety of ways Probably the easiest method is to email it to yourself 3 2 Insert Battery and microSD Card and Power On Watch a tutorial video covering the following steps 6 Open Battery microSD Cover Twist the thumbscrew counterclockwise to loosen and remove the cover 7 Insert microSD card Insert the microSD card with bootimg bin and any config files that you wish to use into the microSD slot in the orientation with the microSD electrical contacts facing the surface of the printed circuit board Push it in all of the way until it clicks 8 Insert AA battery As a distributed audio recorder you will not be within eyesight of the recorder to check the battery level So it s recommended to always begin operation with a fresh battery The bottom of the battery holder has and indicators Insert a single AA battery into the battery holder with the proper orientation For more information about powering the device including battery types and battery life estimates please jump to the Batteries and Battery Life section 9 Close Battery microSD Cover Place the cover over the battery and position the alignment pin and hole Make sure the plastic tab has been tucked inside the enclosure to cover the microSD slot Twist the thumbscrew clockwise to se
11. R FER IER RARE RRUR RR ERAN RR ERRARE RR 12 4 1 1 Little DARling Distributed Audio Recorder 12 4 1 2 Little DARling Distributed Audio Recorder with DARIink 12 4 1 3 DARIink Hand held Remote Control Transmitters 12 4 2 Firmware VersiOasadaxis EirisasuEVEERRERELE NAVARRA EERRERNUNMEEEEMEKLERE ERN MENERA NE 12 4 3 Control D scriptiONSreovisuaa nian VERE ERE NRI EEE NE RENEE MUERE N FE ER VG MM Ra 12 4 4 Theory of Operation eer erre r neon neun u ununi u nana un 13 4 4 1 Audio Signal Path Leere eere erue nun u nana nnus 13 4 4 1 1 Microphone Input and Plug in Power eeeeeeeeeeeeeeeeee 13 4 4 1 2 Preamplifier and Codec INput cc ceeccccceceseeeeeeeeeeeseeeeseeeeeesaeeeees 13 4 4 1 3 Headphone Output cc cecccccccssseeceeeceeeseeeeseeeeseeeaeeeeeseeeeeseeeesaeeeess 13 4 4 2 Slate TONG isinsi 13 re tiis i i ciiis aAa Aaa 13 4 0 4 OULBUL auis visa V kaRuA KE GE UU bic I RR MR QN M Co d RC wa ten ono oC wd RE Rd 14 4 4 5 Recordingsi 14 T oM Ue oaa tet 14 4 4 5 2 File Corruption AVOIdANCE ccccccccssseecceceeececaeeeeeceeeeeseaeeeeaeeeessuaees 14 4 4 5 3 System Actions During RECOMG ccccccceeceeeeeseeeseeeeeeeeeeseeasaaeeeeeeees 15 4 5 Other Operational ItemMmS scessessecseeeseeneeenseeeneeenseeeneeeeneeeeees 15 4 5 1 Microphone Selection and Performance
12. System User Guide techniques and options for the DAR Stop recording when battery or space on card becomes low o This is enabled by default The disadvantage is that the recording will stop while there is still some useful battery or memory left e Sequential 10 minute recordings o This is an option that can be specified by the Use of Config Files The advantage here is that recording will run right up until the end of useful battery and memory The disadvantage is that there will be a sequence of numerous 10min recordings that will have to be managed When battery or space on card becomes low then switch over to 10min recordings o This is an option that can be specified by the Use of Config Files The advantage here is that recording will run right up until the end of useful battery and memory with a minimal number of files 4 4 5 3 System Actions During Record When a recording starts the display will go blank with the exception of a blinking decimal point indicating recording in progress and the R and L buttons will lock to prevent undesired changes to settings while the DAR is on your talent Also the headphone out will mute so the only signal present at the output jack will be the slate signal initiated by a DARIink wireless remote Although the headphone is muted and both the L and R buttons are disabled during a recording event the unit can be put into a temporary state to check and adjust limited audio parameters without hav
13. cure the cover 10 Power On The M middle buttons is recessed and will require a pointed object pen etc to operate The button is recessed for operations that must not be accidentally interrupted such as stopping the recording while in the pocket of your talent Press the M middle button to power on the device Once powered the displays will show a rotating effect while the unit boots TIP Although usually have a pen around in the field to use as a tip you may not You can drop a pin in the battery tray or cut a pin down and trap it between the battery and the side of the battery tray This Way you will always have one in the field with you 3 3 Navigation of Menus Watch a tutorial video covering the following steps Questions Contact juicedLink 7 jump to CONTENTS Little DARling System User Guide 11 Get Familiar with Menus Pressing the R right and L left buttons will cycle through the menu Holding one of the buttons will scan quickly through the menu 11 1 9 gain of mic amplifier 11 2 r record 11 3 P Play 11 4 headphone volume control 11 5 c configuration Displays current configuration file loaded and selects a configuration file to load 11 6 E transmitter switch settings Displays 11 7 b battery Relative battery voltage 11 8 5 5torage Amount of storage left on microSD card 11 9 F Firmware Displays the Firmware Version 12 Selecting a Menu Item Pressing both
14. de 6 1 Use of Config Files 6 2 General In the field it is handy to be able to view the contents of the Config File for making your configuration selection You can get it to your smart phone a variety of ways Probably the easiest method is to email it to yourself 6 3 Command List Command Description it Comment character Use at beginning of line The text following this character is ignored Alkaline NIMH rechargeable NiCD rechargeable Lithium BATT WN EF C Sets the battery voltage threshold for Batteries and Battery Life decisions 10MIN STITCH 0 OFF 1 ON File Corruption Avoidance using sequential 10 minute recordings up until the battery dies or the SD card fills up 10MIN SAFETY 0 OFF 1 ON File Corruption Avoidance switching over to sequential 10 minute recordings when the battery is low or the card is nearly full up until the battery dies or the SD card fills up FILENAME 5 characters maximum Used as the base filename for saving recordings FILENAME 001 WAV and so on Questions Contact juicedLink 18 jump to CONTENTS Little DARIing System User Guide SS 0 OFF 1 ON Allows wireless control of recording start ST 0 OFF 1 ON Allows wireless control of recording stop RS BUZZ 0 OFF l ON Enables use of buzzer for recording start stop SLATE1 AB A SLATE AB 0 Buzzer OFF SLATES AB 1 Buzzer ON
15. get notified on any future updates to the firmware or config files 3 Create Other Config Files The unit can load up to 10 user created configuration files which can provide even more control and features than what is available from the front panel menu user interface Understanding the capabilities provided in the configuration files is beyond the scope of the Quick Start Guide and is covered in the Use of Config Files section Here are some examples of parameters that can be controlled via the config file Activate Deactivate stitched sequential 10min recorded files Activate Deactivate stitched sequential 10min recorded files to be turned on only when battery becomes low or card approaches getting filled up e Specify the battery type Alkaline NiMH rechargeable Li lon rechargeable Lithium for low battery threshold calculation Direct programming of Texas Instruments codec audio parameter registers such as filters AGC limiters e Assignment activation or deactivation of DARIink wireless remote control buttons for functions such as record stop buzzer slate tone type Base filename 4 Copy Files to microSD Card Save the Firmware Boot Image bootimg bin and the Config File configO ini and any other created config files config1 ini Questions Contact juicedLink 6 jump to CONTENTS Little DARling System User Guide config9 ini to the root directory of the microSD card 5 Copy Config Files to your Smart
16. ing to completely stop a recording This is described in the Basic Recording Playback section This temporary state will timeout and return to mute the headphones and disable the L and R buttons 4 5 Other Operational Items 4 5 1 Microphone Selection and Performance Lav mic selection polar pattern and signal to noise performance as well as proper microphone placement will effect the recording quality of your talent This is beyond the scope of this User Manual but more information can be found in the free juicedLink Field Guide to Audio Production There you will learn the SANASENECYA techniques for achieving excellent audio even on a budget Questions Contact juicedLink 15 jump to CONTENTS Little DARling System User Guide 4 5 2 Batteries and Battery Life Battery life discussed in this section are from typical measurements Results may vary for any number of reasons The unit requires a single AA battery for power Illustration 1 shows the battery life for various battery types alkaline lithium NiMH rechargeable NiCD rechargeable in a Little DARIing with DARIink The units recorded until the battery could no longer keep the unit operational alkaline 12hrs NIMH 12hrs Lithium 20hrs NiCD 6hrs So this shows that a full production day can easily be covered by a standard alkaline battery or common NiMH rechargeable battery Use of an expensive lithium battery is not necessary 0 700 0 02 0 30 0 58 1 26 1 54 2 22 2
17. ll at different times during the recording It is also our intention to set up the gain structure for the lowest noise performance and achieve extended dynamic range via the safety track recorded at a lower level than using AGC or limiter techniques That said you are welcome to play around with codec parameters but we will not be supporting inquiries on this and will direct you to the TLV320AIC3204 datasheet and app notes and the Texas Instruments engineering forum online The headphone muting during recording can not be overridden Questions Contact juicedLink 20 jump to CONTENTS Little DARling System User Guide 7 Appendix 7 1 Transmitter DIP Switch Map Illustration 2 shows back of the transmitter with both the switch and battery cover removed First note S2 circled should be set in the S position Next the 10 DIP switches set to either the O or 1 position need to be matched up with what has been selected as the decode sequence selected in the E menu of the DAR The first 5 DIP switches will correspond to the setting in the left display in the E menu of the DAR and the last 5 DIP switches will correspond to the setting in the right display of the E menu of the DAR The next sections contain the switch display relationship table and some examples Illustration 2 Transmitter DIP Switches 7 1 1 Left Display Settings for Transmitter Switches 1 5 Display Transmitter DIP Switches L R 1234567890 Lu 00000 Li 1
18. lug headphones into the headphone jack Going to the menu allows for adjustment of the headphone volume The headphone signal is present in the left earcup The right output is used for a slate tone initiated from a DARIink wireless remote 20 Start a Recording Entering the r menu starts a recording The display will go blank with the exception of a blinking decimal point indicating recording in progress While recording the R and L buttons will lock to prevent undesired changes to settings while on your talent Also the headphone out will mute The only signal present at the output jack will be the slate signal initiated by a DARIink wireless remote 20 1 Adjustments during Recording Although the headphone is muted and both the L and R buttons are disabled during a recording event the unit can be put into a temporary state to monitor and adjust limited audio parameters while recording without having to completely stop a recording Press both the L and R buttons simultaneously and the left decimal point will start blinking rapidly You then have 5 seconds to press the recessed M button o The battery indicator will be displayed for 2sec Questions Contact juicedLink 9 jump to CONTENTS Little DARling System User Guide o The Storage amount remaining indicator will be displayed for 2SeC o The Jain menu and meter will be displayed and the headphone un muted You have 60sec to make your desired gain adjustments before the
19. nne n nana nn an 24 2 1 Introduction 2 1 1 Thank You Congratulations on your new Little DARIing have so much fun bringing you these unique juicedLink products so thank you for your support In addition to the products really enjoy sharing my experience and teaching the community about the best practices for achieving great audio on a budget So make sure you subscribe to the juicedLink Blog In addition to getting notified on updates to our Audio University series and Free Field Guide to Audio Production eBook you ll get notified on any firmware updates for the Little DARling and other new product introductions Before operating the unit please read this manual thoroughly If you need any clarification of what is presented in the manual then please don t hesitate to Contact me for assistance Robert from juicedLink 2 1 2 How to Print View This Document Many PDF type documents are very difficult to read in the field on the small screens of smart phones requiring the user to zoom in and scroll right and left to read each line in a paragraph The font size and margin in this document were selected as the best option for viewing on a variety of screen sizes from desktops down to smart phones Here are recommended viewing configurations Desktop Laptop Adobe Reader set to VIEW PAGE DISPLAY TWO PAGE VIEW Tablet Hold tablet in vertical orientation e Smart Phone Hold phone in horizontal orientation The ma
20. of driving the signal at levels that can be damaging to hearing Always operate the headphone volume at the lowest practical level Do not wear the headphones over your ears in any of the following circumstances While plugging the headphones into the headphone driving device While plugging a microphone or other source into the device input While turning on or off the device WARNING RISK OF ELECTRICAL SHOCK This device its enclosure and the connections to cable shields that plug into this device are conductive Avoid electrocution and observe caution with cable runs near areas where high voltages and or currents may exist Questions Contact juicedLink 5 jump to CONTENTS Little DARling System User Guide This section is a quick outline of the steps needed to get up and running There will be links to other sections in the document and or tutorial videos to provide further detail and direct to more advanced features beyond the scope of the Quick Start Guide 3 1 Preparation Watch a tutorial video covering the following steps 1 Download Required Files Visit the Little DARling Downloads page on the juicedLink website and download the Firmware Boot Image bootimg bin and the Config File configO ini Note the revisions on the download page The firmware revisions that this document was written for is found in the Firmware Version section 2 Subscribe to the juicedLink Blog Subscribe to the juicedLink Blog to
21. remotely terminate recordings on the target DARs This can be enabled disabled by the the Use of Config Files Questions Contact juicedLink 11 jump to CONTENTS Little DARling System User Guide 4 1 Part Number Key This revision of the User Manual was written for the following part numbers 4 1 1 Little DARling Distributed Audio Recorder e DAR123 4 1 2 Little DARling Distributed Audio Recorder with DARIink e DAR124 4 1 3 DARIink Hand held Remote Control Transmitters e DAR CMD HHLR 433 MD o This is a Linx Technologies CMD HHLR 433 MD with an additional label for the proper button names Linx Technologies has obtained US FCC Part 15 Industry Canada and European CE compliance 4 2 Firmware Version The version of firmware running on the Little DARling can be obtained by viewing the F menu This User Manual was written for the following revisions e DSP o XXXX nitial Release ROZAK e Supervisor o XXXX nitial Release ROZAK e Wireless RX o XXXX nitial Release ROZAK The latest version of this User Manual document and the latest versions of firmware can be obtained from the Little DARling Downloads page The appendix contains the Firmware Update Procedure 4 3 Control Descriptions Most of the control and user interface descriptions have already been covered in the Quick Start Guide and videos The Navigation of Menus section and video covers the front panel buttons display and menu system The a
22. rgins are very small in order to fit the text to the entire page width So to print this document you will need to use page scaling and fit the document to the printable area A better option is to use the page scaling option select multiple pages per sheet and specify 2 sheets per page This will print with a readable font and more information with less page flipping Questions Contact juicedLink 4 jump to CONTENTS Little DARling System User Guide 2 1 3 Document Notation Conventions References to markings labels on the unit are denoted in underline bold Example MIC IN References to characters on the display will use a 7 segment font Example P represents the character P displayed for play e Commands used in the Config File will be represented in the font Courier Warnings will be preceded with WARNING Hyperlinks are used to navigate within the document and to link to external web pages For example CONTENTS brings you back to the document Table of Contents and juicedLink links to the juicedLink website There are also links to external tutorial videos The link to the video and description will be enclosed in a box like this 2 2 Warnings General WARNING Failure to read and observe notes and warnings may result in personal injury and or possible damage to this device and your other equipment WARNING LOSS OF HEARING This device as well as any device with aheadphone amplifier is capable
23. story 0 90 07 23 2015 Pre release revision Questions Contact juicedLink 24 jump to CONTENTS Little DARling System User Guide
24. tone is capacitively injected at the low noise preamplifier output passively mixing with the preamplifier output signal The tone is also buffered and capacitively coupled to the right output so a DAR could be used with a camera microphone input to inject a slate tone into the camera s audio recording The buttons on the DARlink transmitter can be customized to control the duration of the tone and the number of tone impulses per event as described in the Use of Config Files section 4 4 3 Buzzer For a Little DARIing with DARIink receiver a buzzer can sound when a wireless Questions Contact juicedLink 13 jump to CONTENTS Little DARling System User Guide command is received This can be customized as described in the Use of Config Files section 4 4 4 Output The output connector is a 3 5mm locking TRS tip ring sleeve jack The left channel has the headphone signal The headphone mutes when a recording is started For more details see the System Actions During Record section For a Little DARling with DARIink receiver the right channel has a signal from the slate tone generator initiated by a DARIink wireless transmitter So a DAR could be used with a camera microphone input to inject a slate tone into the camera s audio recording 4 4 5 Recording 4 4 5 1 Audio File The audio file saved contains 2 channels of audio The first track contains the main signal and the second track contains the backup track recorded at a safe lower
25. vailable commands for the Questions Contact juicedLink 12 jump to CONTENTS Little DARling System User Guide configuration file are described in the Use of Config Files section 4 4 Theory of Operation 4 4 1 Audio Signal Path 4 4 1 1 Microphone Input and Plug in Power The input is a 3 5mm locking TRS tip ring sleeve jack Plug in power which is not the same as phantom power is provided on the tip and ring for electret elements common in lavaliere mics The audio feeding the low noise preamp input is taken from the connector tip 4 4 1 2 Preamplifier and Codec Input Audio from the microphone connector tip feeds the input of the low noise preamplifier The output of the low noise preamp is then split into two signals One signal feeds input channel of the codec directly The other signal is sent through an attenuator and feeds a second channel of the codec This provides for a second track recorded at a safe lower level in the event that the main channel gets blown out perhaps by a loud signal event such as your talent screaming 4 4 1 3 Headphone Output The left channel of the output connector contains the headphone signal coming from the codec headphone amplifier The headphone mutes when a recording is started For more details see the System Actions During Record section 4 4 2 Slate Tone For a Little DARIing with DARIink receiver a slate tone can be generated by the DAR initiated by a DARIink wireless transmitter The
26. yuicedLink Little DARling System User Guide Little DARling Distributed Audio Recorder Little DARling Distributed Audio Recorder with DARIink DARlink Wireless Remote Control 2015 juicedLink LLC Little DARling System User Guide All Rights Reserved v0 90 Click on heading to jump to page 1 Contents visi cceice sciences wc Eu a a a a a a 2 2 READ THIS FIRST ioeesnssissuzncansEuUcua Fux EE EwEEREEEE ERE detduendeubouseussedineweeeets 4 2 1 IntroductiOni cus cu uana suu E uu E SEEN RREMEERM ERRARE ERE RE EE FEAR NAHE ERE ERR I RR 4 2 1 1 Thank YOUL iasssessnai uu RR KR RETE ME VE VC R RA RUNE ER ER CHER UR ER EDAD 4 2 1 2 How to Print View This Document 4 2 1 3 Document Notation Conventions 5 2 2 Warnings General iiiisaxi in pi a OR ROO ER RC RERO Rn E R CRIT RR RR 5 3 Quick Start Guld isses wiki RE B RR ERG ci RE ck ar 6 2 1 PrepardtiOnnavosaesvassds ERR RNARERERRNEAN aa a 6 3 2 Insert Battery and microSD Card and Power On 7 3 3 Navigation of MenuUS 7 3 4 Basic Recording Playback s eroe enne niin annua ann 8 3 5 Wireless Remote Control cer rere neon enn anus 10 4 Little DARIing Distributed Audio Recorders 12 4 1 Part Number Koey oisisnuuan Eun RERERERERN
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