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722 User Guide and Technical Documentation

1. Connector Pin Assignments Notes XLR 1 ground 4000 ohm input impedance mic level Analog Inputs 2 signal 20k ohm input impedance line level 3 signal active balanced XLR 1 ground transformer balanced for use 110 ohm twisted pair AES Inputs 2 signal cabling AES3 specification 3 signal TA3M 1 ground 120 ohm output impedance active balanced Master Output Bus 2 signal For unbalanced connection pin 1 ground pin 2 hot 3 signal pin 3 not connected Mates with Switchcraft TA3F type connector 3 5 mm tip signal L Master Output Bus signal in an unbalanced consumer Master Output Bus ring signal R electronic level sleeve signal ground 3 5 mm tip signal L mates with 3 5 mm TRS jack Headphone a ring signal R sleeve signal ground AESSid S PDIF Input center pin signal sleeve ground BNC female unbalanced coaxial connection 75 ohm connectors recommended AES3id S PDIF Output center pin signal sleeve ground BNC female unbalanced coaxial connection 75 ohm connectors recommended Word Clock Input and Output OO center pin signal sleeve ground BNC female unbalanced coaxial connection 75 ohm connectors recommended FireWire 1394 6 pin cabling 6 pin male FireWire cable C Link In Out 1 43 3V 2 Tx output 3 ground 4 Rx input 5 WC in 6
2. LINE OUT LINE OUT XLR Input 1 AES3 Input 1 amp 2 Dual function input connection Input type set with switch see 3 Active bal anced analog microphone or line level input for input 1 Transformer balanced two channel AES3 input 1 and 2 XLR Input 2 Same as Input 1 above for analog sig nals Input type set with switch above Active balanced analog microphone or line level input for input 2 Mic Line AES3 Input Switch 1 Selects the input level and mode of the input XLR 1 connector Mic Line Input Switch 2 Selects the input level mic or line level of input XLR 2 NOTE there are two re dundant switch positions for line level TA3 Master L R Analog Outputs Active balanced line level analog L R outputs for the Master Analog Out puts Program source and attenuation level are user selectable Pin 1 ground pin 2 pin 3 Headphone Output 3 5 mm TRS stereo headphone connec tor Can drive headphones from 8 to 1000 ohm impedances to required levels Tip left ring right sleeve ground SOUND Q DEVICES 7 Headphone Volume Adjusts the headphone volume NOTE the 722 is capable of producing ear dam aging levels in headphones 8 Tape Output Unbalanced tape 10 dBv nominal output on 3 5 mm TRS stereo connector Signal source is identical to the Master Output Bus Tip left ring right sleeve ground 722 User Guide and Technical Information Right Panel Connectors and Cont
3. In addition to the main LED output meter peak LEDs show input peaks track peaks and head phone peaks Input Peak The 722 has a peak LED associated with each input These LEDs illuminate when input signal reaches 3 dBFS There is no user adjustment to the Input Peak LEDs Track Peak The 0 dBFS LED on each track can also function as a track peak indicator The user can select a signal threshold in the setup menu above which the 0 dB LED will flash Headphone Peak Like the channel peak LEDs the headphone circuit has an indicator for peak overload This LED is useful because headphones can often overload before the recorder overloads Monitoring without a visual indication of headphone clipping may mislead the operator into thinking that the output or return tracks are distorting Tone Oscillator The tone oscillator level and frequency are user selectable Tone level is adjustable over a range of 40 to 0 dBFS Tone frequency is adjustable from 100 to 10 000 Hz Standard tone levels vary accord SOUND Q DEVICES EI 722 User Guide and Technical Information ing to the practices and needs of production and post production but are generally in the 20 to 12 dBFS range The tone oscillator is activated by pressing the front panel CE key Tone will active only while the tone key is pressed Tone is routed where specified in the setup menu Routing choices include out puts outputs and tracks tracks only or no tone routing disa
4. contact Sound Devices LLC E mail support sounddevices com web www sounddevices com contact_support htm Telephone 1 608 524 0625 Toll Free in the U S A 800 505 0625 Fax 1 608 524 0655 Sound Devices cannot guarantee that a given computer software or operating system configura tion can be used satisfactorily with the 722 based exclusively on the fact that it meets the minimum system requirements EJ firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Software License Software License End user license agreement for Sound Devices 7 Series Embedded Software Firmware Important Read carefully This Sound Devices LLC end user license agreement EULA is a legal agreement between you either an individual or a single entity and Sound Devices LLC for the Sound Devices LLC software product identified above which includes computer software embedded software and may include associated media printed materials and online or electronic documentation SOFTWARE PRODUCT By using installing or copying the SOFTWARE PRODUCT you agree to be bound by the terms of this EULA If you do not agree to the terms of this EULA do not use or install the SOFTWARE PRODUCT Software Product License The SOFTWARE PRODUCT is protected by copyright laws and international copyright treaties as well as other intellectual property laws and treat
5. toggles input 2 high pass OW toggles input 2 high pass SOUND Q DEVICES Ey 722 User Guide and Technical Information Warranty and Technical Support Warranty Sound Devices LLC warrants the 722 Portable Audio Recorder against defects in materials and workmanship for a period of ONE 1 year from date of original retail purchase This is a non trans ferable warranty that extends only to the original purchaser Sound Devices LLC will repair or replace the product at its discretion at no charge Warranty claims due to severe service conditions will be addressed on an individual basis THE WARRANTY AND REMEDIES SET FORTH ABOVE ARE EXCLUSIVE SOUND DEVICES LLC DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICU LAR PURPOSE SOUND DEVICES LLC IS NOT RESPONSIBLE FOR SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM ANY BREACH OF WARRANTY OR UNDER ANY OTHER LEGAL THEORY Because some jurisdictions do not permit the exclusion or limitations set forth above they may not apply in all cases For all service including warranty repair please contact Sound Devices for an RMA return mer chandise authorization Product returned without an RMA number may experience delays in repair Sound Devices LLC Service Repair RMA XXXXX 300 Wengel Drive Reedsburg WI 53959 USA telephone 608 524 0625 Technical Support For technical support on all Sound Devices products
6. 0 dBFS to 20 dBFS The meter uses energy efficient LEDs viewable in full sunlight The 722 output meter is unaffected by shock or extremes in temperature and humidity Meter ballistics are setup menu selectable among VU Peak Peak Hold VU Peak and VU PeakHold The meter uses a compound metering scale which increases meter resolution in the most important part of the scale From 50 to 40 dBFS each LED segment equals approximately 10 dB From 40 to 12 dBFS each segment equals 2 dB From 12 to 0 dBFS each segment equals 4 dB Meter Ballistics Meter Ballistics Peak UALY Peak Hold Only lt a Peak WU The output meter can be set to display any of five types of meter ballistics VU Peak Peak hold a combination of VU and Peak and a combination of VU with Peak hold The meter ballistics are selected in the setup menu VU Volume Units Ballistics correspond to how the human ear perceives loudness and provides a good visual indica tion of how loud a signal will be In VU mode the attack and decay of the meter signal is 300 mS While giving a very good visual indication of perceived loudness VU meters gives poor information on actual signal peaks and are virtually useless for tracking to the 722 In VU mode the front panel meter labeling is in volume units with 20 dBFS cooresponding to 0 VU 22 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentat
7. Allows the user to set the frequency of 100 10 000 Hz in 100 Hz steps the reference tone oscillator 57 Tone Mode Select the destination of the reference e disabled tone or to disables it completely e to record tracks only e to outputs only e to record tracks and outputs 58 In HDD Test Performs a write read speedtest onthe Caution Drive test will disable process internal hard drive Data transfer speed is ing and mute outputs for duration of test measured in KB s Outputs will not return until test is exited 59 In HDD Space Shows the drive file system total size and space remaining on the internal hard drive 60 In HDD Erase _ Formats the internal hard drive Caution while various PC utilities are able to recover files from a re formatted drive once formatted old audio data is not ac l cessible by the 722 61 In HDD Repair Runs a utility to repair minor errors in the directory FAT of the drive 62 CF Test Performs a speed test on the Compact Caution Drive test will disable process d Flash media installed Data transfer ing and mute outputs for duration of test speed is measured in KB s Outputs will not return until test is exited 63 CF Space Shows the drive file system total size and space remaining on connected Compact Flash medium 64 CF Erase Formats the installed Compact Flash Caution while various PC utilities are able card to recover files from re formatted
8. Selects Favorite Mode in record and playback modes push will change the headphone source immediately to the favorite selected in HP Favorite Mode _ e Playback Monitor Drive Select Selects the media source for file playback _ and record monitoring 51 HP Monitor Modes Select the sequence of the modes that Up to 10 source selections can be entered in appear in the Headphone Source Display any order See headphone monitor section in on the LCD guide for adjustment 52 HP Favorite Mode Selects the audio source monitored when einputs 1 2 track B i the Multi Function Controller is pressed e tracks A B e monitor A during recording or playback e monitor A B e monitor B e input 1 inputs 1 2 MS e input 2 e tracks 1 2 MS e track A e monitor 1 2 MS SOUND Q DEVICES 722 User Guide and Technical Information Setup Name Setup Description Setup Parameters 53 HP Playback Mode Selects the audio source sent to head e no change e track B phones upon playback e inputs 1 2 e monitor A e tracks A B e monitor B monitor A B e inputs 1 2 MS e input 1 e tracks 1 2 MS e input 2 e monitor 1 2 MS e track A 54 HP Warning Bell Level Set the output level of the multi function off 60 to 12 dBFS in 1 dB steps warning bell 55 Tone Level Set the output level of the reference tone 40 to 0 dBFS in 1 dB steps 56 Tone Frequency
9. chunk Among the values recorded are e date and time of the original recording e bit depth e sample rate e number of tracks All of the information contained in this chunk is available for post production MP3 MPEG Layer 3 For music and voice recording applications where compressed audio is acceptable the 722 can record to industry standard MPEG Layer 3 MP3 audio files These data compressed files are gener ated using a high quality MP3 codec Numerous data rates are available The 722 can play back MP3 files as well as record them This is very useful on set to play a personal MP3 audio library during downtime Recording and Playback Recording and playback of audio are unquestionably the most important functions of the 722 The user interface of the product has been designed similar to a tape recorder so that the unit is easily SOUND Q DEVICES 25 722 User Guide and Technical Information understood Recording and playback controls are similar to those on tape based machines however the nature of a non linear recording medium provides additional control not possible with tape based recorders Recording REC The largest most easily accessed control on the 722 is the record key Recording takes priority over all activity except for disk formatting disk speed tests and file transfers The 722 will immediately enter record mode whenever the record key is pressed When recording the adjacent red LED wil
10. current record directory push either the Fast Forward or reverse key to put the 722 in to play stop mode The filename display will begin flashing and the FastForward and Reverse keys are used to step through files available in the current record directory To select a file in an alternate directory press the HDD key to enter the media directories Navigate to the appropriate directory Select the file that to play back with the Multi Function Con troller and press play If the stop key is pressed while playing files from an alternate directory the 722 will revert to the cur rent daily directory AutoPlay The 722 can be set to play back all playable audio files in a directory Files will play back in their order in the directory Autoplay can be set with the following options Disabled auto playback is off Play all all files in the directory will play then stop when all files have been played Repeat one the selected file will play back then continue until Repeat all all files in the directory will play in succession then repeat until stopped by the user 26 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Storage Medium Storage Medium Internal Drive The 722 s internal hard disk drive is the 722 s primary storage medium The large capacity and fast data read write speeds of hard drives are a perfect choice when long length high da
11. drives once formatted old audio data is not ac cessible by the 722 65 CF Repair Runs a utility to repair minor errors in the directory structure of the Compact Flash 66 Balance Cal Calibrates the center position of the input Place balance control to center and press to 2 pot when used as the balance control select for MS recording 67 Power Ext Low Batt Volt Sets the voltage of the low battery alert 10 0 18 0 VDC 0 1 V steps with an external power source Li ion bat tery warning threshold is factory set 68 Info Version Shows the hardware revision serial num ber and firmware version installed 69 Update Software Upgrade tool used to apply new firmware as provided by Sound Devices Will search all available media for the firm ware program file and apply the update aa firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Specifications Specifications System Sampling Frequency internal 32 44 1 48 48 048 88 2 96 96 096 176 4 192 kHz external 32 192 kHz via word clock input Internal Data Path and Processing 32 bit 192 dB dynamic range A D D A Converters 24 bit 192 kHz sample rate maximum A D converters on socketed field upgradeable daughter board A D Dynamic Range 114 dB A weighted bandwidth 110 dB 20 Hz 22 kHz bandwidth D A Dynamic Range 112 dB A
12. external devices from its 16 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Word Clock word clock and accept external clock sources for recording The 722 ignores external clock both AES and word clock during playback Clock Master When sending digital audio to several devices one unit is designated as the word clock master and the others as slaves Generally the device with the analog to digital converter is designated as the word clock master The 722 can function as an A D converter and can be used as the master word clock source Slaved devices will derive their word clock timing from either their digital audio inputs S PDIF or AES EBU or through their word clock input connection As a word clock master the 722 generates word clock whether or not audio is sent Clock Slave When using an external digital preamplifier connected to the 722 inputs the recorder can derive its clock signal from the AES S PDIF stream it will slave to the external device or the external device can be slaved from the 722 if the external device has word clock input or accepts clock from the 722 s digital output If for example you are using a wireless receiver with a digital output it may not have an external word clock input and will be the word clock master If digital audio is connected to the 722 from more than one digital device you must word clock the sour
13. inputs The limiters are engaged by factory default When limiters are engaged audio on channels 1 and 2 is limited to 6 dBFS Microphone Level Control Microphone gain is controlled by the recessed front panel knobs The gain control adjusts an analog gain stage and is identical to the input trim on a mixing console or stand alone microphone pream plifier Even with the gain controls fully counter clockwise there is gain and consequently audio passing through the recorder The front panel gain controls do not function as faders Line Level Gain Control When in line level position the gain for inputs 1 and 2 is controlled by the recessed front panel knobs or by a menu sensitivity setting When set for front panel control the user menu selection for input 1 and 2 line input sensitivity are lined out and not accessible Input Linking analog Analog inputs 1 and 2 can be linked as a stereo pair When linked the channel 1 front panel potenti ometer controls the signal level of both inputs and the channel 2 pot controls the left to right balance of the pair Input gain is calibrated to match from input to input When inputs are linked their peak limiters are linked as well When set as an MS mid side pair the inputs gain and balance for the pair work the same as stereo linking High Pass Filters microphone level only The high pass filters on the microphone inputs use a combination of analog and digital filters to redu
14. limitation damages for loss of business profits business interruption loss of business information or any other pecuniary loss arising out of the use of or inability to use this Sound Devices LLC product even if Sound Devices LLC has been advised of the possibility of such damages In any case Sound Devices LLC s entire liability under any provision of this evaluation license shall be limited to the greater of the amount actually paid by you for the SOFTWARE PRODUCT or U S 5 00 Because some states jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages the above limitation may not apply to you Governing Law This agreement and limited warranty are governed by the laws of the state of Wisconsin SOUND Q DEVICES EI SOUND Q DEVICES
15. medium No driv ers are required with operating systems meeting the specifications In general it is good practice to copy all needed audio files from the 722 to a computer before any process ing is performed on the files To connect the 722 for FireWire transfer 1 Stop all playback and recording activity 2 Make certain the 722 battery is fully charged or connect to external DC 3 Connect the 722 to the host computer with a FireWire cable 4 The 722 will enter FireWire transfer indicated by COMPUTER CONNECTION in the LCD display All func tions of the 722 are stopped while the 722 is connected to a computer through FireWire 5 Navigate the drives on the computer and copy all needed audio files to the computer To avoid possible directory corruption on the 722 internal media do not interrupt the connection process during transfer and always properly dismount the drives from the operating system On Mac OS plat forms drag the drive icons to the trash On Windows platforms use the Disconnect External Media icon in the system tray SOUND Q DEVICES 5 722 User Guide and Technical Information Front Panel Descriptions All settings of the 722 can be accessed and monitored through the front panel LCD and navigation keys This allows the unit to be placed in a production bag along with field mixers and wireless transmitters and receivers 1 Digital Input LEDs Indicates the presen
16. not distribute copies of the SOFTWARE or accompanying materials to others Licensee may not modify adapt translate reverse engineer decompile disassemble or create derivative works based on the SOFTWARE or its accompa nying printed or written materials Transfer restrictions Licensee shall not assign rent lease sell sublicense or otherwise transfer the SOFTWARE to another party with out prior written consent of Sound Devices LLC Any party authorized by Sound Devices LLC to receive the SOFTWARE must agree to be bound by the terms and conditions of this agreement Termination Without prejudice to any other rights Sound Devices LLC may terminate this EULA if you fail to comply with the terms and conditions of this EULA In such event you must destroy all copies of the SOFTWARE PRODUCT and all of its component parts Limited Warranty No warranties Sound Devices LLC expressly disclaims any warranty for the SOFTWARE PRODUCT The SOFTWARE PRODUCT and any related documentation is provided as is without warranty or condition of any kind either express or implied including without limita tion the implied warranties and conditions of merchantability fitness for a particular purpose or non infringement The entire risk arising out of use or performance of the SOFTWARE PRODUCT remains with you No liability for damages In no event shall Sound Devices LLC or its suppliers be liable for any damages whatsoever including without
17. power 48 volts can be activated for analog inputs When active phantom is indicated by the illuminated front panel LEDs 4sv Phantom power can be applied to both mic and line level inputs Using the line level input setting with microphones is useful in extreme SPL environments such as concert recording Make certain to turn off phantom power with line level output devices susceptible to damage from DC Shortcut To toggle phantom power without entering the menus press and hold the tone key then press the menu key for channel 1 Channel 2 phantom can be toggled by pressing the tone key then pressing the HDD key If the inputs are in line level mode phantom power will not activate from the shortcut keys and must be activated from the menus Input Limiters mic level only Microphone inputs 1 and 2 each have a limiter circuit designed to prevent input overload In normal operation with proper gain settings the limiters should rarely engage When activated these limit ers will prevent unusually high input signal levels from clipping the analog input stage of the pre sa firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Input Setup and Control amp The front panel LIM LED LM shows that the limiter is engaged Limiter activity is indicated by additional front panel LEDs one for each input channel O The input limiters activate only with mic level
18. signal may not play back properly Once recording has begun unused digital inputs are muted digital signals that appear on them after the record key has been pressed will not be recorded or affect the sample rate of the 722 The 722 clocks itself to the first digital signal presented to it If the 722 detects a digital signal on the BNC inputs and locks to that signal a digital signal applied to the XLR input will be ignored until the first digital signal is removed Input Delay A digital delay is selectable on each channel of the 722 in one microsecond uS steps 1 000 microsec onds equals 1 millisecond ms The Multi Function Controller and menu arrows are accelerated The more you press or spin the faster the delay setting will increment or decrement Delay is not set until enter is pressed The amount of delay available is dependent on the sampling frequency in use Sample Frequency Maximum Amount of Delay Available per input 32 44 1 48 48 048 kHz 30 000 uS 88 2 96 96 096 kHz 15 000 uS 176 4 192 kHz 7 500 uS Input delay can be useful for time aligning input signals from differing sources For example digital wireless mics that have a processing delay in their outputs In addition all digital conversion stages have delay Word Clock Stable word clock is fundamental to high quality a digital audio signal The 722 uses a highly stable crystal to generate its internal word clock frequencies The 722 can clock
19. take number to 1 Characters are entered from left to right and deleted from right to left 3 The Multi Function Controller or the soft keys are used to choose characters numbers Press the Con troller or hit the soft check key to save the character and move to the next position From the user menu the action for take resetting is controlled from the following options e Never take numbers do not reset e When scene is changed take resets when scene name is changed e When daily folder is changed takes reset on new day e Either scene or daily takes reset on either change SOUND Q DEVICES a 722 User Guide and Technical Information File Management and Copying The 722 like a computer writes its audio recordings to a file system That system is FAT32 The 722 formats its internal hard drive and Compact Flash medium as single volumes named 722 All files generated by the 722 are placed in the folder directory named SOUNDDEV The 722 does not write to the root of the volume If Daily Folders are selected the 722 will generate a new folder named by date each day upon power up Otherwise all recorded files will be stored directly in the SOUND DEV directory A hierarchical view of files generated by the 722 is below Notice the volume name SOUNDDEV folder and daily folders along with files contained within the folders EZ 722 lt SOUNDDEV cE YO4M 6D01 0Q01TQ001 WAV 001T0002 WAV 001TQ003 WAV L Y
20. the device including signal routing signal processing menu options LED s controls and data ports Version Information During manufacturing the unit s hardware revision number and serial number are burned into a protected area of the EEPROM This information is not modifiable These numbers are viewed in the Info Version selection of the setup menu Info Version also shows the firmware version of the recorder The 722 firmware version and unit serial numbers are written to the data chunk of every WAV audio file generated by the 722 version herni ior SO THERE JER 1 68 SERIAL 45014202064 Upgrade Process From time to time Sound Devices may issue revisions new versions of firmware for the 722 Firm ware is user upgradeable To upgrade firmware follow the steps below 1 Download the firmware file from the Sound Devices web site or obtain it on disk 2 Transfer the firmware file it will be named version_number prg to the 722 internal hard drive via FireWire or onto a CF card If there are multiple firmware files on the media the 722 will select the first firmware file available There is no provision to skip to the next file To prevent confusion ensure that there is only one firmware file available on any 722 media 3 Enter the firmware upgrade menu You will be prompted to search for the firmware file If a valid firmware file is present on either the internal hard drive or CF the recorder will prompt if the p
21. the latest documentation Recording Time Record Time The chart shows that when recording 24 bit 48 kHz audio to a 40 GB hard drive the maximum amount of recording time available roughly 80 track hours If recording a stereo two track file this yields 40 stereo hours of record time Note that most storage mediums now quote capacity in GB using SI units where 1000 megabytes equals one gigabyte PCM Audio Uncompressed digital audio is expressed numerically by two measurements bit depth and sampling frequency such as 16 bit 48 kHz These two numbers are used to compute the data rate of uncom pressed audio Audio Data Rate Bit Depth x Sampling Frequency In the example below the data rate of a single 16 bit 48 kHz audio stream is computed in megabytes per minute Division by 1 048 576 converts from bits to megabits Division by 8 converts from mega bits to megabytes multiply by 60 converts seconds to minutes 16 x 48000 1 048 576 8 x 60 5 49 MB min MP3 Compressed Record Time in Hours MP3 Data Rate bit depth sample rate stereo track 64 kb s 96 kb s 128 kb s 160 kb s 192kb s 256kb s 320 kb s 0 47 MB min 0 70 MB min 0 94 MB min 1 17 MB min 1 40 MB min 1 86 MB min 2 34 MB min ae eo a Ce ee oe 8 o 7 A E a E a A a S A c A E gS 15 538 385 266 0213 177 0133 106 60 2133 1422 1066 853 mo 533 426 CONC SE SE NE TE The chart above shows recording time available w
22. weighted bandwidth 108 dB 20 Hz 22 kHz bandwidth Metering Analog Input 38 segment 2 x 19 sunlight viewable selectable peak VU or peak with or without peak hold with VU ballistics variable brightness all measurements at Fs 96 kHz 24 bit unless noted Frequency Response Mic or Line 10 Hz 40 kHz 0 1 0 5 dB gain controls centered Equivalent Input Noise Mic 133 dBu max 135 dBV 50 ohm source A weighted filter Mic 131 dBu max 133 dBV 50 ohm source 20 Hz 20 kHz BW flat filter gain fully up Mic 130 dBu max 132 dBV 150 ohm source A weighted filter Mic 128 dBu max 130 dBV 150 ohm source 20 Hz 20 kHz BW flat filter gain fully up THD Noise Mic 0 004 max 1 kHz 22 Hz 22 kHz BW gain control down 15 dBu input Line 0 004 max 1 kHz 22 Hz 22 kHz BW gain control down 16 dBu input Gain Mic normal gain mode 25 70 dB input dBu to 20 dBFS Mic low gain mode 10 55 dB Line 6 18 dB 0 1 dB increments Input Impedance Mic 4k ohm Line 20k ohm Input Clipping Level Mic input 5 dBu minimum normal gain mode gain control fully down Mic input 10 dBu minimum low gain mode gain control fully down Line input 26 dBu minimum gain control fully down Input Topology Mic and Line fully electronically balanced RF ESD short and overload protected pin 2 hot pin 3 cold Gain Matching Line inputs 0 1 dB chann
23. 19 Mic Input 2 Low Cut reduce sensitivity to low frequencies e Enabled 20 Mic Input 1 Low Cut Freq Selection of twelve high pass filter 40 80 e 160 240 Hz 12 dB oct 21 Mic Input 2 Low Cut Freq frequency and slope combinations for 40 80 160 240 Hz 18 dB oct microphone inputs e 40 80 160 240 Hz 24 dB oct 22 Mic Input 1 Gain Range Selects the sensitivity of the microphone e Normal 23 Mic Input 2 Gain Range input Low sensitivity is used for very e Low loud and or very hot microphones 24 Input 1 2 Source Forces the inputs to analog or digital Auto select mode Default is auto select e Analog e Digital S PDIF AES Disabled Power Save 25 Input 1 2 Linking MS Selects whether the input 1 amp 2 levels are E Unlinked controlled independently or grouped asa Inputs 1 and 2 operate independently pair with or without mid side decoding e Linked 1 2 Inputs are linked channel 1 pot controls _ level channel 2 pot controls pan e Linked 1 2 and MS Inputs are linked channel 1 pot controls level channel 2 pot controls pan and are decoded for MS stereo 26 Line Input 1 2 Gain Control When inputs 1 and 2 are in LINE input e Use front panel knobs l mode selects whether the gain setting is e Use sensitivity settings controlled by the front panel knobs or by the menu sensitivity settings below 27 Line Input 1 Gain Adjusts the input
24. 30 seconds When the format is completed the 722 will create a fresh menu hierarchy including the daily folder if selected Once you exit back to the main screen the 722 is ready for recording Drive Repair Included in the on board software for the 722 is a basic drive repair utility The utility is similar to Windows Scandisk and will check for file system integrity recover lost cluster chains fix or re cover damaged file allocation tables FAT and repair corrupted WAV files This utility should be run after improper media removal or in the event of a write error during recording When selected from the setup menu the repair utility will scan the drive for problems report the number of errors and correct the errors Drive Type The 722 ships with a 2 5 inch ATA 5 interface 5400 RPM hard drive Sound Devices has chosen the specific mechanism for maximum vibration and shock resistance Most 2 5 inch drives conforming to the ATA specification can be substituted for the factory hard drive When choosing a replacement hard drive note that higher RPM hard drives draw more current reducing battery run time SOUND Q DEVICES 722 User Guide and Technical Information Drive Failure Hard disk drives are mechanical devices and are susceptible to damage from physical shock One type of physical shock called operating shock occurs when the disk is in operation During opera tion the drive head is typically over the drive platters
25. D While audio will still pass through the 722 no recording or playback is possible 4 Navigate the drives on the computer and copy all needed audio to local storage To avoid possible directory corruption on the 722 internal media always properly dismount the drives from the operating system On Mac platforms drag the drive icons to the trash On Win dows platforms use the Disconnect External Media icon in the system tray SOUND Q DEVICES EI 722 User Guide and Technical Information Powering The 722 is powered from either a removable rechargeable Li ion battery or external DC power The included 7 2 V Li ion cell can be used as either primary or backup power The unit automatically chooses the power source depending on the voltage levels of the removable battery and external sources The switch between external and removable battery is seamless and does not affect record ing or playback One of the hallmarks of Sound Devices equipment is its power efficiency During normal operation using the rechargeable cell the 722 will run for approximately two hours 1500 mAh Li ion battery Lithium lon Rechargeable Battery The 722 is powered from Sony compatible L or M type Li ion battery cells Numerous battery ca pacities are available in these battery mounts ranging from 1000 mAh to 6000 mAh The 722 s mount can accommodate a variety of cells since the back panel mount accommodates unlimited battery depth Larger amp hou
26. D stop 150 ms key to end recording Playback When recording is stopped the most recently recorded file is immediately available for playback Press the gt key to begin file playback from the beginning of the file To select a file for playback 1 Press and hold the key to select the folder directory for playback either internal hard drive or Compact Flash The default playback directory is the volume being recorded 2 Use the Multi Function Controller or the arrow soft keys to navigate through the file directory 3 Once a file is highlighted press the play key to begin playback When playback has finished the filename will begin flashing Use the gt gt fast forward key or amp rewind key to step through files in the folder or press the CD stop key to exit playback mode FireWire File Transfer When connected via FireWire IEEE 1394a to a Mac OS or Windows OS computer see Specifications for computer requirements the internal hard drive and connected Compact Flash storage mediums are a firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Quick Start Guide mounted onto the computer as letter accessible drives Use the appropriate FireWire cable either 6 pin to 4 pin or 6 pin to 6 pin for interconnection Files on the 722 can be treated as if they are local files including renaming files copying and playing directly from the 722 storage
27. O4MOGDO2 001T0004 WAV 0Q01TQ005 WAV L YO4MOGDO2 S0021T0001 WAV S002T0002 WAV ERE S 999T 001 MP3 EEE S999TQ002 MP3 File Finder Navigation Moving from file to file is similar to navigating among files on a computer 1 Enter the file menu by either selecting File ViewFiles file in the setup menu or by pressing the front panel HDD key By default the current record folder is opened To move up the hierarchy scroll up to the top of the menu to Press enter or the Multi Function Controller button to go up one menu level From the root menu selecting opens the media select screen n a a Continuing up the file hierarchy the media menu is viewable Select either internal hard drive or CF if installed and drill down through the directories of that medium to the file required Media he CA Ena FEA 250 ME g Larger files take added time to show details this is normal File Directory Screen tE E SALATHAGL WAL firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation File Management The file directory screen contains information about the individual audio files contained in the direc tory The left side of the display shows files and folders The top line displays the directory path in the form of media folder name File names are listed in the order they were recorded Data files not nat
28. SOUND Q DEVICES 722 High Resolution Digital Audio Recorder User Guide and Technical Information firmware rev 1 24 Sound Devices LLC 300 Wengel Drive Reedsburg WI USA 1 608 524 0625 fax 1 608 524 0655 Toll Free 800 505 0625 www sounddevices com FireWire Table of Contents Quick Start Guide 0cceeeeee eee eee Powering the Unit Menu Navigation Basics Connecting Audio Sources Routing Inputs to Tracks Recording Parameter Setup Recording Playback FireWire File Transfer Front Panel Descriptions 0seeeeee LCD Display Descriptions 00008 Left Panel Connectors and Controls Right Panel Connectors and Controls Back Panel Descriptions 0eeeeeee Input Setup and Control eseeeeeaee Input Source Selection Analog Inputs Signal Presence and Peak Indicator Digital Input AES3 Digital Input AES3id S PDIF Input Delay Word Clock csee cece cece eee teen eens Clock Master Clock Slave C Link Multi Unit Linking Input to Track Routing ceeeeeeeeaee Outputs Analog and Digital Analog Output Bus Digital Output Bus Headphone Output cc cece eee eee Choosing Headphone Sources Setting Headphone Source Options Multi Function Controller Encoder Behavior Headphone Favorite Selection Headphone Playback Mode Warning Tones Metering ccc cece eee eee e eee eee eeee Output Meter Meter Balli
29. TCin Not a telephone jack Hirose 4 pin DC Input 1 ground 2 ground same as pin 1 3 DC charge 4 DC operate SOUND Q DEVICES 722 User Guide and Technical Information Power Consumption Variables The 722 draws power from either its on board Li ion battery or from external DC sources Two fac tors need to be considered to calculate battery runtime battery power supply capacity and unit power consumption The best determination of your run time is to experiment with a given record ing setup The 722 power consumption varies over a range between 4 W to 20 W depending on active func tions The following functions have the most significant affect on power consumption Inputs Active analog inputs increase power consumption If recording from digital sources disable analog inputs or inputs altogether to reduce power consumption Analog inputs and the microphone preamps draw current whether they are idle or active Active inputs draw 1 5 W compared to deactivated inputs Hard Drive Activity When the unit is recording to or playing back from the internal hard drive power consumption raises by approximately 2 W Microphone Powering Phantom powered microphones draw power for operation Up to 1 W can be drawn from the phantom supply Battery Chargers Depending on the charge state of the on board Li ion and the internal AA time of day battery the charging circuit can draw 10 W fro
30. Use the REW lt and FF gt soft keys to move among characters Use the PLAY key to delete characters Characters are entered from left to right and deleted from right to left 3 The Multi Function Controller or the soft keys are used to choose characters Press the Controller or hit the soft check key to save the character and move to the next position If all characters are removed no scene name will be written to files If Scene Folder is selected for file management all takes will be placed in the SOUNDDEV folder Take Numbers Take numbers are integers between 1 and 32000 with or without preceding zeros which increase by one each time a new file is recorded Take numbers can be set with or without a take separator such as the character or T Take numbers can be overridden and a new take number can be set in the setup menu If the 722 detects a file with a duplicate name in the destination folder a letter suffix starting with A is added to the file name before the extension Note that take number han dling can be selected to reset if set in the setup menu see File Management and Copying Co BEC 2 CO prome i ees E HGS Qj To change take numbers 1 Enter the user menu and navigate to the Take Name Number option 2 Use the REW lt and FF gt soft keys to move among decimal places and to jump to the single alpha numeric take spacer character Use the PLAY key to reset the
31. a Scene sub folder within SOUNDDEV Options are chosen in the setup menu from the following e Single folder all files are placed in a SOUNDDEV folder This is appropriate for non sync files such as wild sounds effects etc Note that if many many files are generated this filing action can become cumbersome to manage and navigate Daily folder a new sub folder is generated in the SOUNDDEV folder each calendar day All files recorded on that day are placed within it The daily folder is made based on the onboard clock and used the syntax of YxxMxxDxx where Y is year M is month and D is day Make certain that the 722 time of day clock and date are properly set Scene Folders a new sub folder is generated in the SOUNDDEV folder each time the scene name changes All files with a specific scene name will be place in its cooresponding scene folder SOUND Q DEVICES EI 722 User Guide and Technical Information File Time and Date Similar to a computer file system all files recorded by the 722 are stamped with the time and date of file generation To ensure that accurate time and file generation date are written with each file make certain that the system time and date are accurately set 1 Enter the TIME DATE Set menu 2 Set the current time and date using the navigation below advances to the soft keys men EB next selection and decrement time and date controller can eN rEg TA FH bea os turned as well 15764 t
32. a ete beh n se mediinais pais 50 Menu Navigation Shortcuts 5 51 Warranty and Technical Support 52 Software License 0 eseeeeeeeeeeeeee 53 SOUND Q DEVICES Introduction 722 User Guide and Technical Information Welcome Thank you for purchasing the 722 The super compact 722 records and plays back audio to and from its internal hard drive or Compact Flash medium making field recording simple and fast It writes and reads uncompressed PCM audio at 16 or 24 bits with sample rates between 32 kHz and 192 kHz Compressed MP3 audio playback and recording are also supported The 722 implements a no compromise audio path that includes Sound Devices next generation microphone preamplifiers Designed specifically for high bandwidth high bit rate digital recording these preamps set a new standard for frequency response linearity low distortion performance and low noise With documentary and ENG recording engineers in mind the 722 is very small while still being fea ture rich No other recorder on the market matches its size and feature set In addition its learning curve is quite short powerful does not mean complicated While the 722 is a very capable recorder by itself it truly excels when used in conjunction with an outboard audio mixer such as Sound Devices own 442 or 302 Sound Devices took advantage of the best in professional and consumer electronics technologies to bring incredible featu
33. ads adhering to the disk surfaces which will in turn stop the hard disk from rotating Condensation tends to occur when the tempera ture inside the drive suddenly falls for example just after the unit is moved to a new position or after operation is stopped in a cold environment Sudden changes in temperature or air pressure can cause disk surface material to evaporate which can also cause the head to adhere to the disk surface This can happen when a hard disk drive is left unused for a long period of time Drive Replacement The internal hard drive can be removed and replaced if the drive fails or if a different capacity drive is needed The internal hard drive is not a swappable medium Its multi pin connector is not rated for repeated insertion and removal cycles and may be prone to breakage with repeated cycling In typical service conditions Sound Devices recommends hard drive replacement every three years The hard drive is mounted to the bottom side of the recorder s chassis and is screwdriver acces sible The drive is suspended in the unit with a shock isolating membrane and is attached to the main circuit board via a flex board Since the unit s high density circuitry and tight construction require specific electronics knowledge Sound Devices strongly recommends drive replacement be performed by a qualified technician using proper ESD precautions Drive replacement done by a qualified technician has no warrant
34. ampling frequency of 2 Rec Sample Rate e 32 kHz e 96 kHz the 722 44 1 kHz e 96 096 kHz 48 kHz 174 4 kHz 48 048 kHz 192 kHz 88 2 kHz 3 Rec Bit Depth Sets the bit depth of the 722 recordings 16 bit 24 bit 4 File Format Selects the file format type recorded to e WAV poly the selected medium WAV and BWF files e WAV mono are identical the only difference is the file extension e MP3 64 kb s 96 kb s 128 kb s 160 kb s e 192 kb s 256 kb s 320 kb s 5 Rec Media Select _ Selects the media used for recording All IN HDD Only media are selectable even if not present CF Only e IN HDD and CF 6 Rec Scene Name Number Reset able numeric counter that incre lt number gt l ments every time record is pushed Used to create unique file names 7 Rec Take Name Number Numeric scene number used for file lt number gt naming 8 Rec Take Rest Mode i Never When Scene is changed When Daily folder Changes Either Scene or Daily 9 Rec Pre Roll Time Selects the amount of pre roll time the 722 will add to the beginning of each file 0 10 sec 48 kHz 0 5 sec 88 2 96 096 kHz 0 3 5 sec 192 kHz 10 Rec Dither Selects whether to dither is added to 24 bit digital signals while recording 16 bit files Off On 16 bit only 11 Rec Timer Start Sets a specific start time date f
35. ath is the proper file to use Press the Multi Function Controller or the tone key to say yes The 722 will begin firmware upgrade and validation Progress is indicated with a bar graph SOUND Q DEVICES 722 User Guide and Technical Information for a Programming file 4 When the upgrade and verify process is complete power cycle the 722 On power up the LCD will turn solid black and the green LED next to the FireWire port will blink 20 times When the update sequence is complete the 722 will reboot once again 5 Verify the firmware version using the Info Software menu 6 Reset the time of day clock to the present time and date Firmware upgrades are designed to preserve all user menu settings As a precaution we recommend sav ing the present state as a setup file on the hard drive or CF Once a firmware upgrade is complete restore settings from this file if necessary Setup Menu Presets Presets are useful shortcuts to speed setting the numerous parameters available in the setup menu The 722 has four built in presets and unlimited user presets Built In Presets The 722 is shipped from the factory with the factory preset applied Its settings are listed below Three additional presets film reporter and music presets allow for quick setup of typical param eters for the defined application Presets are applied by entering the setup menu and selecting the preset All previous settings are lost when a preset is applie
36. ay Shows the elapsed time of the file being recorded or played back Flashes in 9 playback pause mode In this mode the FF REW keys will scrub through an open audio file Time amp Date Display Alternating display between the set date and time of the 722 This information is written as the creation date for gener ated audio files Bit Depth Indicator Shows the set record bit depth In play back shows the file bit depth SOUND Q DEVICES Sample Rate Indicator Shows the set record sample rate In playback shows the file sample rate Headphone Source Display Indicates the source for headphone out put Sources and selection order are user selectable in the setup menus External Media Space Status space remaining record ready Not available on version 1 xx firmware Bar graph indicates amount of record time remaining on the external FireWire vol ume Numbers show time in hours and minutes based on the presently selected number of record tracks sample fre quency bit rate and file type Internal Hard Drive Status space remaining record ready Bar graph indicates amount of record time remaining on the internal hard drive Numbers show time in hours and minutes based on the presently selected of number of record tracks sample fre quency bit rate and file type 722 User Guide and Technical Information 10 Compact Flash Status space remaining record ready Bar graph indicates amount of record time remai
37. bled Tone can only be recorded to the head of an audio file To record tone press the tone key and continue to hold it down while starting to record Subsequent presses of the tone key are locked out to prevent tone from inadvertently being recorded LCD Contrast amp Backlight LED Brightness LCD LCD contrast is setup menu controlled From the factory the contrast is set to 20 suitable for most viewing conditions Contrast can be increased or decreased The front panel key toggles the LCD and key backlight Backlighting is suitable for low and no light recording LED brightness is continuously adjustable from low to high brightness Hold down the key and turn the Multi Function Controller to change brightness levels All LED intensities are adjusted In stealth mode setup menu selected the LEDs are toggled on and off with the brightness key Sample Rate and Bit Depth When recording to WAV files the 722 generates uncompressed PCM audio files at the user selected sample rates and bit depths The 722 LCD indicates available recording time based on the sample rate bit depth and number of tracks set for recording See the Calculating Recording Time later in this guide to estimate record time Sample Rates When a sample rate is selected for recording all tracks are recorded at the selected sample rate Sample rates are selected among common rates from 32 kHz to 192 kHz Additionally non standard sample rates can be applie
38. ce of digital signal on the respective input When flashing indicates that digital input is selected but no valid digital clock signal is pres ent Input 1 Gain Controls the analog gain input trim of the channel 1 input Normal mic input range is from 25 dB to 70 dB low gain mic range is from 10 dB to 55 dB line input range is from 6 dB to 18 dB For line level inputs this control can be defeated and gain can be setup menu controlled If the LCD display shows locked when the pot is turned gain control of the line level input is menu controlled When inputs are linked as a stereo pair Input 1 Gain controls the gain of both inputs Input 2 Gain Controls input 2 gain as in 2 above When inputs are linked as a stereo pair Input 2 Gain controls left to right bal ance MENU Key Used to access all 722 setup menu selec tions When in menu mode used to move up through the menu selections LCD Display Primary display of 722 status The LCD is backlit using the LCD backlight con trol 15 Tone Oscillator Key Used to activate the tone oscillator Tone frequency tone level and routing are controlled in the setup menu Press and hold to activate Input to Track Matrix LEDs Blue LEDs indicate inputs 1 and 2 enabled for recording to tracks A and B A solid blue LED indicates an input is routed to a track A flashing LED dur ing custom routing mode shows the selected input track
39. ce sensitivity to low frequency signals When the high pass is engaged on an input its blue front panel LED illuminates to indicate it is active ee The first pole of the high pass circuit is an analog filter at 40 Hz 6 dB per octave and is part of the microphone preamplifier circuit Additional poles of high pass filtering are done in DSP Several frequency and slope combinations are selectable including corner frequencies of 40 80 160 or 240 Hz and filter slopes of 12 dB 18 dB or 24 dB per octave The high pass is selected for each input independently Shortcut The filters can be toggled with a two key combination Press and hold the LCD back light key and press the menu key for channel 1 high pass Press and hold the LCD backlight key and press the HDD key to toggle channel 2 high pass Gain Range microphone level only The microphone inputs operate in two gain ranges normal and low The normal range is from 25 dB to 70 dB of gain The low range is from 10 dB to 55 dB The low range is useful for high SPL record ing environments Signal Presence and Peak Indicator The signal presence and peak indicators show audio activity before input to track routing In put signal presence LED s illuminate when a 50 dBFS or greater signal is present Input signal peak LEDs illuminate when signal levels reach 3 dBFS or greater SOUND Q DEVICES 15 722 User Guide and Technical Information Digital Input AES3 The 722 acc
40. ces to the same clock otherwise variations between the sources will render their signals unus able If the 722 is slaved to external word clock be certain that the source is stable Loss of the word clock signal during recording can cause the 722 to revert back to its internally set sampling frequency If this occurs the portion of the file recorded after the loss of word clock may not play back at the prop er speed For reliability set the 722 to the same sample frequency as the word clock source Loss of the word clock signal in this case will likely cause a glitch in the file but the file may still be usable C Link Multi Unit Linking The proprietary C Link control link connection allows multiple 722 s and 744T recorders to be con nected and clocked together When linked the 722 units have a master slave relationship When the master recorder enteres record the slave unit will roll as well Multiple units can be daisy chained together to record many tracks The C Link protocol links carries the following data e word clock e time code information 744T only e RS 232 machine transport data J E E Lod L J L J I ugio i ooid O00 q OUR C LINK IN OUT C LINK master slave slave unit unit unit To link units 1 Connect multiple
41. combination INPUT Select Key Used to cycle through the four factory preset input to track routing combina tions plus the custom routing menu In the custom routing menu any input can be routed to any track See Input to Track Routing page 18 Level Meter LEDs Two 19 segment track level meters indi cate level in dBFS Metering ballistics are selected in the setup menu 6 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation 10 Power Key Used to power up and power down the 722 When off press and hold 150 ms to power When on press and hold 1 second to power down 11 Charge LED Indicates the status of the onboard battery charger Flashes when exter nal power is connected and battery is charging solid when battery is fully charged a 12 Power LED Indicates that the 722 is powered and available for operation Flashes when the removable battery or external DC is in a low voltage state wa 13 Record Key Used to start recording The 722 is a record priority device pressing this key activates recording and discontinues all other functions except file operations Pressing key while recording can set a cue marker or start a new file as select ed in the setup menu wm 14 Stop Pause Key Press hold for 150 ms to stop recording In playback mode a single press pauses playback play pause allowing audio scrubbing with t
42. d Factor Film Reporter Music Parameter Preset Preset Preset Preset Sample Rate 48 kHz 48 kHz 44 1 kHz 44 1 kHz Bit Depth 24 bit 24 bit 16 bit 16 bit Input 1 2 Gain Controls unlinked unlinked unlinked linked Record Dither off off on on Pre Record Buffer Time 0 2 2 2 Input 1 Delay 0 0 0 0 Input 2 Delay 0 0 0 0 LED Brightness 10 10 10 10 LCD Backlight Enable enabled enabled enabled enabled LCD Backlight Mode normal normal normal normal LCD Contrast 50 50 50 50 Meter Ballistics Peak VU Peak VU Peak VU Peak VU Input 1 Low cut mode 0 0 80 Hz 18 dB oct 0 Input 2 Low cut mode 0 0 80 Hz 18 dB oct 0 Limiter Enable on on on off Input Peak LED Threshold 3 dBFS 3 dBFS 3 dBFS 3 dBFS Track Peak LED Threshold 0 0 0 0 Time Format 12 hour 12 hour 12 hour 12 hour Date Format MM DD YYYYY MM DD YYYY MM DD YYYY MM DD YYYY Record Timer Enable Off off off off EJ firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Factor Parameter Preset Start Timer enable Off Record Take Count 1 Record File Format poly WAV Media Select CF amp hard drive Marker Mode Off Marker Pre roll disabled Auto file split Size 4 GB Digital Output Source Tr A B Digital Output Attenuation 0 dB Line Output Source Tr A B Line Output Attenuation 0 HPMon1 inputs1 2 HPMon2 tracks A B HPMon3 input 1 HPMon4 input 2 HPMon5 mon A B HPMon6 HPMon7 HPMon8 HPMon9 end of list Number of HP Moni
43. d drive or Compact Flash during recording To monitor recorded tracks select one of the track modes with an m following the track designations Because of the record buffering of the 722 a delay of up to 12 seconds can be expected before recorded audio appears in headphones The 722 plays back recorded audio from the media highlighted in the LCD panel see File Management and Copying for more information on selecting and highlighting recording medium When using the recorded track monitor selection the selected sample rate defines the delay from input to monitoring At 48 kHz sampling the delay is approximately 12 seconds This delay is due to the record buffering topology Audio can not be monitored until it has left the record buffer is written to the record ing media then read Setting Headphone Source Options In addition to the 10 preset headphone routings a total of 20 available slots can be filled in a user defined order Headphone monitoring sources are selected from combinations of inputs tracks and post record tracks including stereo and MS decoding The order of headphone selections is user se lectable Available sources for headphone monitoring include EJ firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Headphone Output HP Sources Description Inputs 1 2 Stereo monitoring of input pairs Inputs1 is assigne
44. d to left headphone output input 2 is assigned to right headphone output Tracks A B Stereo monitoring of track pairs Track 1 is assigned to left headphone output track 2 is assigned to right headphone output Upon playback will play as track monitor Monitor A B Stereo monitoring of playback post record track pairs Tracks 1 is assigned to left headphone output track 2 is assigned to right headphone output Input 1 Solo monitoring of selected input This signal is sent to both sides of the headphones Input 2 Track A Solo monitoring of selected track This signal is sent to both sides of the headphones Upon play Track B back will play as track monitor Monitor Am Solo monitoring of playback post record track Highlighted media is source of monitor program Monitor Bm This signal is sent to both sides of the headphones When not in playback headphones have no program Inputs 1 2 MS Stereo monitoring of discrete M mid and S side input pairs Highlighted media is source of moni tor program Tracks A B MS Stereo monitoring of discrete M mid and S side track pairs Highlighted media is source of moni tor program Upon playback will function as MS track monitor Monitor A B MSm Stereo monitoring of playback post record discrete M mid and S side track pairs Highlighted media is source of monitor program When not in playback headphones have no program When tracks A or B are assigned to headphone
45. d when the 722 is word clocked from external sources Sampling Frequency Available Audio Bandwidth The sampling frequency is expressed in samples per second in hertz and defines the number of times in a second that the analog audio signal has been measured Sampling frequency determines the audio bandwidth frequency response that can be represented by the digital signal A quick es timate of the maximum bandwidth capable of being represented at a given sample rate is maximum analog frequency sampling frequency 2 Higher sampling frequencies allow for greater audio bandwidth Bit Depths The 722 records at bit depths of either 16 or 24 bit 24 bit recording provides greater dynamic range and addition headroom for signal peaks relative to 16 bit recordings 24 bit acquisition is a significant benefit for field production audio tracks 24 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Sample and Bit Rate Bit Depth Available Dynamic Range Bit depth defines the digital word length used to represent a given sample Bit depth correlates to the maximum dynamic range that can be represented by the digital signal Larger bit depths theo retically yield more dynamic range A quick estimate of maximum dynamic range capable of being represented by a given word length is dynamic range no of bits x 6 dB Bit depth is an exponen tial measure exponent of 2 s
46. dB 20 dB 11 VDC enabled play all All of the set parameters in the table above can be saved in a file to internal hard drive or to CF card By entering the Get Save Setup Menu the user can save or retrieve parameters to a data file This binary file is named 722 SUP and is saved in the SOUNDDEV directory on the selected medium SOUND Q DEVICES 722 User Guide and Technical Information Setup Menu The setup menu controls a wide range of parameters for the 722 including all audio routing and re cording settings The setup menu is a single flat architecture with no sub menus easing navigation Each setup controls a specific parameter with several selections The chart below shows the setup number a description of the control and the menu options available Setup Name 1 Quick Setup Setup Description Allows the user to quickly apply default menu setups and save retrieve user setups to disk or CF Setup Parameters e Load Factory Settings restores the factory default settings e Load Film Settings applies typical setups for film production Load Music Settings applies typical setups for music recording e Load User from INHDD applies settings saved by user to hard disk Load User from CF applies settings saved by user to CF e Save User to INHDD saves present state to file on hard drive e Save User to CF saves present state to file on CF Sets the audio s
47. done H a Fetus to the previous setting Once set the time and date clock will be kept while the removable rechargeable battery is attached If it is removed the internal AA NiMH time code battery maintains the date for up to 5 days File Size Maximum The 722 data volumes internal hard drive and CF are formatted and write to FAT32 file structures This structure allows these drives to directly mount in a wide variety of computer platforms includ ing Windows Mac OS and Linux Using the FireWire connection both internal drives internal hard drive and CF appear as external FAT32 volumes Windows XP has a limitation on EAT32 drive formatting XP can format a FAT32 volume to a maximum of 32 GB however it can read FAT32 volumes as large as 2 TB FAT32 has a maximum file size limitation of 4 GB While it is possible to have thousands of files on the 722 medium s the largest any single file may be is 4 GB The 722 automatically splits an audio file before the 4 GB size is reached and begins writing to a new file When joined in an editing pro gram these files match seamlessly with no samples lost The 722 has menu selectable file size maxi mums of 650 MB 1 GB 2 GB and 4 GB The 650 MB size allows the user to break an audio program into CD R sized files for backup to inexpensive CD R medium File Copying Between Internal Drives Audio files are easily transferred between CF and the 722 s hard drive File transfer is
48. een tested and approved for use in the 7 Series including Lexar Media SanDisk and Kingston Technology cards in capacities ranging from 512 MB to 4 GB It is not feasible for Sound Devices to test all available CF cards for compatibility or maximum throughput with the 722 Use the CF transfer speed test to verify that an installed card can support the needed read write speed File Naming Numbering Files generated by the 722 are named using a syntax made up of four parts scene number take num ber mono track designator if mono file is selected and extension S001T0001_1 WAV f extension scene take mono number number file designator Scene Name Number Scene names are made with alphanumeric characters including _ and can can be any length between zero 0 and nine 9 characters in length Scene numbers are helpful to match audio with the corresponding scene in a production Scene names can also be used to identify other items in cluding recording date artist name or any other descriptor as required Scene names are user selected in the setup menu and do not change until changed by the user EJ firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation File Management gt QTHOS Bag E maa Q amp Q 0 To change scene numbers 1 Enter the user menu and navigate to the Scene Name Number option 2
49. el to channel Common Mode Rejection Ratio Mic 40 dB minimum at 80 Hz High Pass Filters 40 80 160 240 Hz 12 18 24 dB oct all menu selectable Mic Powering each XLR selectable 48 V phantom through 6 8k resistors 10 mA per mic available menu selected per channel in mic or line level positions Mic Input Limiters Output Analog Line Output Clipping Level analog pre A D converter dual stage optocoupler and FET 4 dBFS threshold 20 1 limiting ratio 5 mS attack time 200 mS release time 20 dBu minimum 10k ohm load Attenuation amp Resolution 0 40 dB 1 dB increments Output Topology Line fully electronically balanced RF ESD short and overload protected pin 2 driven hot pin 3 driven cold let pin 3 float for unbalanced connections SOUND Q DEVICES 45 722 User Guide and Technical Information Inputs Outputs Digital AES3 id 75 ohm 0 5 V p p S PDIF compatible with RCA adapter Digital Storage Internal hard drive ATA 5 interface 1 8 in or 2 5 in hard drive 4200 7200 RPM supported FAT32 formatted up to 2 TB addressable Compact Flash CF type I Il and microdrive compatible FAT32 formatted up to 2 TB addressable File Types WAV mono or polyphonic at supported Fs 24 bit or 16 bit MP3 64 96 128 240 or 320 kb s stereo Utilities Format speed test and repair utility for internal HD and CF volumes Data Transfer Control FireWire periphera
50. epts AES3 AES EBU balanced digital at the input 1 XLR connector Digital input is two channel AES3 signals on XLR 1 appear at inputs 1 and 2 To use the AES3 input the input mode se lect switch must be set to AES EBU There is no level control for AES inputs 12 OOns The front panel digital input LEDs illuminate when digital signal is selected as input If the LED is flashing digital input is selected but a no valid digital clock is being received Digital Input AES3id S PDIF The 722 accepts AES3id and S PDIF unbalanced digital signals on the BNC connector The 722 will auto detect the type of digital signal and adjust accordingly Like AES3 signals this is two channel input There is no level control for AES3id inputs AES3id inputs override analog signals present at the XLR inputs To use analog sources while using the AES3id signal as a digital clock source select analog in the input source menu selection When a digital signal is present the 722 locks its sample rate to its source frequency This lock is indi cated by a highlighted block on the main LCD display to the right of the bit depth and sample rate indicators Recording bit depth is independent of the external digital source When locking the 722 to an external digital signal be certain the source is stable Loss of digital signal will cause the 722 to revert to its internally set sample rate even while recording The portion of the file recorded after the loss of
51. er analog output XL B removable rechargeable Li ion battery 1500 mAh battery it s good to have several spare XL BNC BNC to BNC cable to connect word clock from external sources to the 722 for synchronizing also used to sync external devices from the word clock of the 722 XL H Raw Hirose 4 pin mating connector for the DC input on the 722 XL NPH NP type battery cup accepts NP rechargeable batterys terminates in Hirose 4 pin DC connec tor XL WPH power adapter included with unit 100 240 VAC input 12 VDC output it s good to have a spare EJ firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Menu Shortcuts Menu Navigation Shortcuts To speed navigation the 722 has numerous navigation shortcuts The following is a complete list ap acts as an escape key and exits from most menus and functions immediately REC drops all functions except file copy and begins recording ED O press simultaneously to enter the time code jam menu O O press backlight then tone to lock all front panel buttons except for Record Stop and Play FF and Rev are available in playback mode Use backlight and tone again to unlock the panel press repeatedly to cycle through input routing presets Last preset will open the input routing menu to the custom route selection DRI toggles input 1 phantom power OO toggles input 2 phantom power OHS
52. evices com for the latest documentation Quick Start Guide Quick Start Guide The 722 is an extremely powerful and flexible portable audio recorder Before recording familiarity with the product is essential Several settings should be verified or set based on individual recording needs Powering the Unit 1 Apply power to the unit by connecting the included removable rechargeable Li ion lithium ion bat tery to the back panel battery mount The metal tabs on the mount line up with the electrical contacts on the battery From the factory the battery may not have a charge so external DC may be needed for initial operation and charging Connect the included AC to DC power adapter to the DC input plug to power and charge the removable Li ion battery 2 Press and hold the power key 150 ms to power up the unit To power down the unit the power button must be held for one second If this is the first time the recorder has been powered or if it has been without a battery for an ex tended period the date and time may need to be set Charge the included Li ion battery for 6 hours prior to initial use Menu Navigation Basics The setup menu provides options for recording routing and control parameters The single layer menu structure allows for very quick navigation and selection of functions To enter the setup menu press the front panel key Once in the setup menu the following conventions are shared for navigating amon
53. g selections and to select specific parameters enters setup menu ditem lt highlighted menu item V selects highlighted item or parameter T moves up in menu and between menu parameters moves down in menu and between menu parameters X exits the selected menu or menu altogether The C amp D stop key will exit from any menu and cancel any changes Use it to escape out of the setup menus The right panel Multi Function Controller labeled Select is a convenient control to quickly navi gate among menu items and item options Its push to select function duplicates the check mark in most menus Connecting Audio Sources 1 Connect audio sources either analog or digital to the input connectors 2 Set the appropriate input type and level analog mic analog line or digital with the adjacent slide switch 3 If mic level inputs are used on XLR 1 or XLR 2 make certain that phantom power input limiters and high pass filters are activated as required SOUND Q DEVICES Ey 722 User Guide and Technical Information Routing Inputs to Tracks Before recording inputs must be assigned to tracks Each of the 722 s two inputs can be assigned to the two tracks A B Sixteen possible routing combinations are shown on the front panel with four blue LEDs Illuminated LEDs indicate input to track assignment 1 Press the input key to cycle through factory routing presets The 722 has four often used presets fo
54. he destination medium is full the 722 will report the error and end the transfer File Transfer FireWire 722 Connection is identical to the 744T shown in the illustration O 000000 fm ad OUT C LINK IN a DC IN 10 18V PIN 4 PIN J WZ J SELECT AESISPDIF LR 1 OUT LR 2 T WORD CLOCK IN w FireWire cable 744T to computer Software revision 1 xx does not support drive mirroring to external FireWire volumes The 722 s FireWire IEEE 1394 port makes transfer of recorded files to a delivery medium quick and easy When connected via a 6 pin Firewire cable the internal media of the 722 will mount to the Mac or Windows platform as local drives Using Windows Explorer Mac Finder or any other file utility files can be copied from the 722 directly to an edit system or to a host system for transfer to a re moveable delivery medium CompactFlash media must be present in the 722 upon FireWire connection to be properly mounted by the host computer CF media may not be hot swapped after mounting directory corruption may occur If the CF slot is empty when the 722 is connected to the host system a drive letter will still be assigned but will not be accessible To connect the 722 for FireWire transfer 1 Stop all playback and recording activity 2 Interconnect the 722 to the host computer 3 The 722 will now show COMPUTER CONNECTION in the LC
55. he FF and REW keys Another press of the key enters play stop mode where the FF and REW keys select files for playback from the current directory One more press of the key exits playback mode In the setup menu the stop key is also used exit from any menu returning to the main display LCD Backlight Key Toggles LCD and key backlighting Hold down and turn the Multi Function Con troller to vary the brightness of LEDs In menu mode functions as the cancel key 15 wm SOUND Q DEVICES Hardware Descriptions 16 Fast Forward Key 17 18 19 20 lt N Sa Performs fast forward FF scrubbing through the played file when pressed in playback and play pause mode Play pause indicated by flashing A time on LCD Fast forward rate increases the lon ger the key is held In play stop mode indicated by flashing filename on LCD selects the next file in the record folder either daily folder or main folder Play Key Plays back the file displayed in the LCD If pressed immediately after recording is stopped the most recently recorded file is played back Rewind Key Performs reverse REW scrubbing through the played file when pressed in playback and play pause mode Play pause indicated by flashing A time on LCD Reverse playback rate increases the longer the key is held In play stop mode indicated by flashing filename on LCD selects the previous file in the record folder either daily folde
56. ies The SOFTWARE PRODUCT is licensed not sold Grant of license This EULA grants you the following limited non exclusive rights In consideration of payment of the licensee fee Sound Devices LLC as licensor grants to you the licensee a non exclusive right to use this copy of a Sound Devices LLC software program hereinafter the SOFTWARE on a single product and or computer All rights not expressly granted to licensee are reserved to Sound Devices LLC Software ownership As the licensee you own the hardware on which the SOFTWARE is recorded or fixed Sound Devices LLC shall retain full and complete title to the SOFTWARE and all subsequent copies of the SOFTWARE regardless of the media or form on or in which the original copies may exist The license is not a sale of the original SOFTWARE Copyright All rights title and copyrights in and to the SOFTWARE PRODUCT including but not limited to any images photographs animations video audio music text and applets incorporated into the SOFTWARE PRODUCT and any copies of the SOFTWARE PRODUCT are owned by Sound Devices LLC or its suppliers The SOFTWARE PRODUCT is protected by copyright laws and interna tional treaty provisions Therefore you must treat the SOFTWARE PRODUCT like any other copyrighted material except that you may make copies as only provided below You may not copy the printed materials accompanying the SOFTWARE PRODUCT Restrictions on use Licensee may
57. ile system is 4 GiB 34 File Folder Options lt Selects whether files are placed in the e Single folder main SOUNDDEV folder or a new e Daily folder folder for each production day Scene Folder 35 File View Files Enters the file directory tree for the Highlight media descriptor to navigate the selected drive menu 36 Allows the user to select a file or a range Copy all In HDD gt CF File Copy File Select Of files to be copied from one media to another Files will only be copied from their current directory to a directory of the same name on the other media If a file will not fit on the destination media user is given the option to skip that file and continue with the copy or abort the copy all together User is advised at the end of the copy process how many files were copied successfully Copies all files and directories from the internal hard drive to the Compact Flash e Last 24 hr HD gt CF Copies all files recorded in the last 24 hours from the hard drive to the Compact Flash e Last 48 hr HD gt CF Copies all files recorded in the last 48 hours from the hard drive to the Compact Flash Flagged In HD gt CF Copies all files on the internal hard drive that have their flag bit set to Compact Flash All files when recorded automatically have their flag bit set to on e Copy All CF gt In HDD Copies all files and directories on the Com pact Fla
58. iles present on the medium While some PC utilities can recover files immediately after formatting the drive consider that the files have been permanently erased FAT32 volumes generated by the 722 may not be compatible with numerous consumer electronic devices including entry level digital cameras After recording has stopped it may take several seconds for the 722 to finish housekeeping on CF When preparing to remove the CE always observe the amber activity LED for the CF medium If it is lit wait until it goes out before removing the CF If the CF is removed while the LED is lit at the very least the file will be corrupted and there is a possibility of EAT corruption as well SOUND DEVICES EJ 722 User Guide and Technical Information Testing LE E fi CF cards varied widely in their write read throughput Later generation 24x and greater CF cards can reliably read and write multi track high sample rate audio The 722 includes a drive speed test to measure the throughput speed of CF medium Measured numbers greater than 3000 KB s can reliably write 24 192 audio Not all CF medium can sustain write speeds for reliable 192 kHz recording Use the speed test utility to make certain that installed medium can support the selected number of tracks at 192 kHz Drive Repair The same drive repair utilities are available for the CF as the internal hard drive Qualified CF Cards Several CF mediums have b
59. imultane ously Charging The 722 has a battery charger for the Li ion battery The charger is active when 10 18 VDC is applied to pins 2 and 3 of the Hirose connector When power is applied the charging circuit evaluates the battery condition and supplies charging current if necessary When charging the amber charge LED will flash Once the battery is fully charged the charger will enter a trickle mode to maintain EJ firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Firmware the battery The charge LED flashes to indicate the status of the charging circuit The chart below describes the different flashes and their meanings Charge LED Activity Description of Activity Off Charger disabled On Completed charge battery fully charged 1 blink Charger enabled battery is charging 2 blinks No Li ion battery attached 3 blinks High low internal temperature state 4 blinks Battery level error code gt 15 min in slow mode 5 blinks Error recharging has been operating for over 8 hours If the charge LED shows anything but a successful charge the Li ion battery may require replacement Firmware Upgrades The 722 uses upgradable EEPROM electrically erasable programmable read only memory to hold the unit s operating system software or firmware Firmware is the source code which controls all aspects of
60. initiated with the setup menu option File Copy File Select The Copy File Select menu has four options for each media type Copy All Media gt Medial Copies all files from one media to the other Last 24Hr Media gt Media Copies files created in the last 24 hours between media Last 48Hr Media gt Media Copies files created in the last 48 hours between media Flagged Media gt Media Copies all files with their archive bit set between Once file copying has begun the 722 searches the source media for the selected files The 722 will then search the destination drive looking for duplicate file names The LCD will report the number of files found the number of duplicates found and the net number of files to be copied and prompt to continue EI firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Powering Pressing the enter key or controller button begins copying The LCD will report progress of the file being copied and the number of files remaining to be copied When file copy is complete the 722 will report the number of files successfully copies and show a progress bar showing the percentage of files successfully copied Error Conditions If a file is to large for the destination medium the 722 will give you the option to skip the it or cancel copying If an error occurs during file copying the 722 will prompt to cancel the transfer When t
61. ion Metering Peak Peak reading ballistics correspond to actual signal maximums A peak meter has a near instanta neous attack to display maximum signal amplitude and a slow decay to allow the user to see them Peak metering is mandatory for digital recording since signal overload can cause immediate dis tortion The peak meters front panel markings are calibrated in dBFS decibels relative to full scale digital signal Peak Hold Essentially the same as Peak metering the peak level indication will hold for the peak level indica tion for several seconds Peak hold indicators are useful for metering in applications when an over load condition is unacceptable Peak VU The meter can simultaneously display VU and Peak level information In this mode the perceived loudness VU is displayed on a bar graph and the Peak signal on a dot above the VU With this combination the user gets the best of both VU and Peak metering by seeing both the loudness of the signal and the peaks at the same time Peak VU is the factory default Peak Hold VU Similar to VU Peak mode this mode holds the peak level indication for several seconds before releasing Peak Hold indicators are useful for metering in applications when an overload condition is unacceptable Peak LEDs 12 nc 1 input peak LEDs 00 lt um input signal present LEDs ene ee 4_f OOacr headphone peak LED I O Qrov dex IN CF EX
62. ith the 722 when recording to an MP3 file Time is expressed in hours at the specified MP3 supported by the 722 Note that all recordings are two chan nel recordings Compressed Audio When digital audio is compressed using some form of lossy perceptual process such as MPEG2 Layer3 MP3 audio Windows Media encoding WMA ATRAC encoding used in MiniDisc AAC MPEG 4 audio or others it can have a significant reduction in its data rate Compressed audio has enabled the practical distribution of audio over low speed data networks SOUND Q DEVICES 49 722 User Guide and Technical Information Accessories Included Accessories The accessories below are included with the 722 worldwide 100 240 VAC to 12 VDC power supply Li ion rechargeable battery 1500 mAh XL 14 headphone extension cable 3 5 mm to 1 4 inch a nice man bag Optional Accessories The above accessories are just the start of building a flexible recording kit that can accommodate multiple types of connections Available optional accessories to complete your recording kit include The above accessories are just the start of building a flexible recording kit that can accommodate multiple types of connections Available accessories from Sound Devices include CS 7 PortaBrace bag with shoulder strap holds 722 or 744T and RM accessories mounts onto CS 442 and CS 302 mixer bags XL 2 sold as pair TASF to XLR M cable used for output connection from the mast
63. ive to the 722 will not show in the file directory view although folders that they occupy will be visible File detail is shown at the right side of the display The center divider points to the file selected for information viewing Information shown includes e file creation date file archive bit status checked means the file archive bit is set clear means the file archive bit is cleared e file creation time file size e number of tracks bit depth sample rate The length LEN of the file The file directories always exit to the main screen whether entered via the menus or the HDD key Setting Clearing Flag Bits Pressing the tone key in the file directory display opens the Set or Clear Flag Bit screen The options for setting or clearing flag bits include set or clear the selected file set or clear all the files in the current folder or set or clear all files on the volume IH FALDER CURRENT FILEJI CLEAR Flag Bitis Wii ON MED TA All files created by the 722 have their archive bit set to on Automatic Flag Clearing The 722 can be set to clear the flag bit of copied files automatically When enabled in the File Copy Flag Control menu all files copied internally by the 722 but not via FireWire will have their flag bits cleared on the original file Folders Files generated by the 722 are placed in either the root SOUNDDEV folder a daily sub folder within the SOUNDDEV folder or
64. l illuminate to indicate that the unit is in record mode If no inputs are routed to tracks or if no mdium is selected for recording recording cannot take place Make certain that at least one record track is assigned for recording While recording the power ff rew input tone and drive keys are disabled Recording is stopped by pressing and holding the STOP key The Stop key must be held for 150 ms or greater to end record ing Although the setup menu can be viewed during recording menu items affecting recording are lined out in the menu list During recording subsequent presses of the record key can perform one of three setup menu se lected actions no action new cue cue markers are set within the file being written new file a new file is started with each press of the record key the take counter is increased by one Playback Just like a tape recorder pressing play begins file playback The 722 has high resolution playback circuitry and is appropriate for any reference audio application Any file recorded by the 722 can be played back including all uncompressed and MP3 files In addition files placed on the 722 recording mediums via FireWire transfer can be played back This is useful when using the 722 as a portable high resolution playback device The 722 plays back the last recorded audio file unless another file is selected There are two ways to select files for playback To select another file in the
65. l mode IEEE 1394a compliant 6 pin FireWire Windows 2000 XP Mac OS X only C Link 6 wire modular input and output RS 232 machine control word clock time code transfer 744T Powering Internal Voltages 16 VDC regulated audio rails 5 VDC data 3 3 VDC data 1 5 VDC DSP core 48 VDC phantom power Power supply batteries operating cell removable 7 2 V nominal Sony M or L type Li ion operational from 6 8 V Power supply external 10 18 V 1000 mA minimum via locking 4 pin Hirose connector use Hirose HR10 7P 4P DigiKey HR100 ND for locking mating DC connector pin 1 pin 2 pin 3 pin 4 See Powering section for additional details Environmental Operation and Storage Ambient temperature 5 55 C Relative humidity non condensing lt 80 Other LCD Display 202 x 32 pixels extended temperature backlit display Tone Oscillator 100 Hz 10 kHz variable output assigned to tracks or outputs menu selectable Quick Setups Four factory presets one user setup stored to CF or HD as data file Dimensions and Weight Size 45 mm x 209 mm x 125 mm H x W x D 1 8 x 8 2 x 4 9 Mass unpackaged 1 2 kg 2 6 lbs without battery 46 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Connector Pin Assignments Specifications Each connector type electrical characteristics and pin assignment is shown below
66. lay Mode Allows user to play file s consecutively Disabled from selected directory one time through Play all or continuously e Repeat one Great for playing an MP3 collection is Repeat all during down time 43 Time Date 12 24 Hr Selects between 12 hour and 24 hour 12 hr time 24 hr 44 Time Date Date Format Selects the date syntax of the recorder e mm dd yy e dd mm yy 45 Time Date Set Sets the internal date and time of the lt time date gt a Clock is not set until lt done gt is selected Resetting the time re jams the inter nal time code generator to the set time Setting the internal clock during a production day will require time code devices to be re jammed 46 LCD Contrast Sets the contrast level of the LCD display 0 100 l In normal operation should only need to be set once 47 Meter Ballistics Selects among five different meter bal e VU only e Peak VU listics settings e Peak only e Peak hold VU e Peak hold only 48 Meter Peak Threshold User set level in dBFS where track peak 0 to 20 dBFS 1 dB increments LED s illuminate 0 LED doubles as track peak indicator 49 Meter Stealth Mode Enables LEDs to toggle on and off with e Off the LCD backlight key On 50 HP Encoder Switch Function Selects the functionality of the Multi e Disabled Function Controller s button when in push makes no change to the headphone record and playback matrix _
67. le recording Headphone Favorite Selection If Selects Favorite Mode above is selected a press of the Multi Function Controller selects the assigned Headphone Favorite audio source This feature is helpful to quickly return to a selected headphone monitoring source while recording or playing All possible headphone sources are avail able to choose as the Headphone Favorite The Headphone Favorite is selected in setup menu SOUND Q DEVICES ea 722 User Guide and Technical Information Headphone Playback Mode The user may select a headphone source for automatic selection upon playback All headphone source selections are available for Headphone Playback Mode as well as No Change which leaves the headphone source set to the currently selected mode Headphone Playback Mode is controlled in setup menu 61 Warning Tones The 722 can generate an audible beep or warning bell in the headphones when an error has oc curred The specific error will be reported on the LCD The output level of the warning bell is menu selectable from off to 12 dBFS in setup menu 62 Metering The 722 features a 38 segment LED 2 x 19 signal level meter The DSP controlled meter provides a selection of ballistics and lighting intensities In addition peak indicators on input channels show overload activity Output Meter 00OOOOOOOOOOOO00O 0 dBFS track LEDs are programmable 0000000000000000 as peak LEDs 80 40 20 ag
68. level only Indicates that the high pass low cut filter is active for the individual channel Phantom Power LEDs Indicates phantom power 48 V is ac tive for the individual channel 26 X 27 Microphone Input Limiter LEDs Illuminates orange when limiting is occurring on the microphone input If constantly lit the microphone input is being hit with too high of a signal Turn down the input sensitivity until limiting occurs infrequently 28 Input Signal Presence LEDs Indicates presence of analog or digital signal and its relative level on each of the four inputs e7 29 Input Peak Overload LED Indicates analog signal is approaching clipping 3 dBFS on each of the two inputs ol firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation LCD Display Descriptions Hardware Descriptions Battery Level Indicator 6 Shows the voltage level of the remov able rechargeable battery or external power sources External power over rides internal power when present 7 Graphical bar for relative level and numeric indicator for precise voltage measurement File Name Display 8 Shows file name actively being recorded or played back In playback stop mode flashing file name indicates that the fast forward and rewind keys can be used to step through files in the current play back directory Absolute Time A time Displ
69. m external DC Sampling Rate The 722 draws more power at higher sampling rates Each doubling of the sampling rate adds 1 W of power consumption Recording Time Calculation The calculation of available 722 recording time involves three factors e track count how many concurrent audio tracks are selected for recording e data rate calculated from the sample rate and bit depth for non compressed audio and by bit rate for data compressed audio Data rate determines how big the data container is for the audio signal see the calculation below for determining PCM audio e storage medium capacity typically expressed in GB Uncompressed Recording Time in Track Hours 16 44 1 6 05 MB min 6 49 MB min 8 24 MB min 16 5 MB min _ 33 0 MB min 2 it 8 O m A an a N 60 100 3 30 E 49 5 330 Data Rate bit depth sample rate one track 16 48 24 48 24 96 24192 3 03 202 1 010 0 51 i a ae ee ae rk a pet aaa ek ee oe a a reat aera anaes ana The chart above shows recording time available with the 722 Time is expressed in hours per track track hours at the specified data rate supported by the 722 If recording two tracks divide the track hours figure by two Note that the 722 supports additional sample rate bit depth combinations however only the most common are included below a8 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for
70. n AES3 or AES3id input to lock the 722 to an external sample rate Digital sources connected to AES3id BNC inputs override analog signals on the corresponding XLR input The BNC input signal type is set in the menu settings Input 1 2 Source For most situations the appropriate setting is auto select the 722 will choose the input type based on signal present The 722 is capable of off speed sample rates when clocked from either external digital inputs or the word clock input Input sources can be set to disabled power save This option shuts down all circuitry associated with the inputs to reduce power draw and extend battery runtime during playback When an input pair is disabled the digital input LEDs associated with the pair will flash Analog Inputs Analog inputs on XLR connectors are the primary connection into the recorder These inputs accept balanced or unbalanced mic or line level signals Gain control for mic inputs 1 and 2 is adjusted solely by the front panel push knobs Gain for the line level inputs can be controlled by the front panel potentiometers or via menu settings Line input gain is controlled in 0 1 dB steps A digital input present on the BNC inputs will override an analog signal present on the XLR inputs un less the input source is set to analog in the setup menu In the setup menu the following functions can be controlled for analog inputs 1 and 2 Phantom Power mic and line level inputs Phantom
71. ning on the Compact Flash media Numbers show time in hours and minutes based on the presently se lected number of record tracks sample frequency bit rate and file type For all three media types an asterisk in front of the media descriptor indicates that the me dia is selected for record Highlighted media descriptor indicates media selected for record monitoring playback or file directory display 11 Input 1 2 Level When control knobs are adjusted indi cates the gain level in dB for each analog input gain control Top display is input 1 bottom display is input 2 Normal mic input gain range is from 26 dB to 70 dB low gain mic range is from 10 dB to 50 dB line input range is from 6 dB to 18 dB LOCKED will be displayed on the LCD when the pot is turned with digital inputs and with line inputs with menu control 12 External Digital Clock Indicator The 722 is locked to a valid external digital or word clock source when the L is in the display wa Cue Marker Display not shown In record mode indicates when cue markers are set Markers set by pressing the record key option must be selected in setup menu In playback mode dis plays cue points numerically as they are reached in a file 10 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Left Panel Connectors and Controls Hardware Descriptions
72. o as bit depth increases the amount of data it represents increases ex ponentially With 16 bit audio each sample is represented by a digital word of 216 65 536 possible values 24 bit audio has a word length of 2 24 16 7 million possible values per sample The 722 has 24 bit analog to digital converters To obtain 16 bit recording the 722 can be set to dither 24 bit digital signals to 16 bit The 722 uses a proprietary pseudo random dither routine for accurate bit rate reduction Dither can be defeated in the user menu Without dither 24 bit audio is truncated to 16 bit meaning the least significant 8 bits are discarded Once a file is recorded its sample rate and bit depth can not be changed in the recorder The 722 does not perform sample rate conversion or bit depth changes File conversion must be done in another environ ment such as an audio workstation Alternatively a real time analog transfer is often performed instead of sample rate conversion Audio File Formats The 722 records audio to industry standard file formats Windows Wave WAV monaural or poly phonic and MPEG Layer 3 MP3 The 722 can write only one file type at a time either WAV or MP3 There is no provision to write different formats to different recording mediums WAV The 722 adheres to Windows standard WAV audio file specification The filename extension is WAV The WAV files created by the 722 contain production information in its file header data
73. ophonic file numbering always starts with 1 i e if only track B is selected for recording in a monophonic WAV file the resulting filename will have a _1 suffix not _2 Use the Input Routing selection in the menu to enter input select mode Alternatively press the input key to cycle through the six preset input routing combinations The last selection in the list is CustomRoute Press the EDIT soft key to enter custom routing mode Custom routing allows any input to be assigned to any record track When assigning customer rout ing active input and track combination are displayed in white text The four inputs are shown on the left the four record tracks are shown on the right To assign custom input routing 1 Press the input key until Input Routing is displayed in the LCD display arrow indicates high lighted input is assigned to highlighted track select to exit menu and x apply selected routing selet to move up and down menu select to remove input assignment 2 Press the EDIT soft button and scroll to the appropriate input screen 18 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Input to Track Routing 3 Using either the Multi Function Controller or the up and down arrows navigate to desired input to track combinations 4 When a chosen pairing is highlighted press either the ASSIGN soft key or the Multi Function Controlle
74. or unat tended recording Unit must be powered lt enter time date gt EJ firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Setup Menu Setup Name Setup Description Setup Parameters 12 Rec Timer Stop Set a specific time date to stop record lt enter time date gt ing May be used with or without the Rec Timer Start May be set before the Timer Start time to temporarily stop recording and then resume recording with Timer Start 13 Rec Error Handler Sets the behavior when a hard drive Stop recording write error occurs e Keep Recording to New File 14 Input Routing Allows the user to setup their routing e1 gt A matrix among all available inputs and 1 gt A 2 gt B tracks There are four preset routings and e1 gt A 1 gt B one custom routing available Pressing 1 7A B 2 gt A B the input select key repeatedly will cycle Custom Route through all preset routings Primarily accessible from the Input Select Key 15 Input 1 48V Phantom Enables or disables 48 V phantom power Off 16 Input 2 48V Phantom on inputs 1 and 2 e On Mic e On Mic and Line 17 Mic Inputs Limiter Enables or disables the analog input e Disabled l limiter on input 1 and 2 mic preamps e Enabled 18 Mic Input 1 Low Cut Enables the high pass low cut filter to Disabled
75. r to assign the combination Assigned tracks are noted on the screen by the addition of an arrow pointing to the record track The LED routing matrix will also show a flashing blue LED for the currently selected input to track combination 5 Once a track is assigned move to the next input to track combination desired 6 To remove an input to track combination assignment navigate that combination and press the UNASSIGN soft key 7 Exit and complete the assignment by pressing the check mark soft key The input routing menu will always exit to the main screen whether entered from the input key or the menu selection Outputs Analog and Digital The 722 has two discrete output buses the Analog Output Bus Bus 1 and the Digital Output Bus Bus 2 Each of these two channel buses are assigned their audio sources independently enabling the 722 to feed multiple sources with unique two channel program The chart below shows the audio sources available for the analog and digital output buses The au dio sources for each output bus are selected in the setup menu Analog Output Bus Digital Out Description put Bus Sources Stereo input pairs Input 1 is assigned to left output input 2 is assigned to right output Inputs 1 2 When inputs are selected as the source for the outputs the state of recording or playback activity has no effect on the output signal This allow uninterrupted audio at the outputs Stereo t
76. r cells provide more run time When powered by the removable rechargeable battery the LCD display shows the battery voltage level The nominal operating voltage for the rechargeable battery is 7 2 V with operating voltages from 6 5 8 5 V When the battery drops to 6 5 V battery voltage display in the LCD and the power LED begins flashing warning that the battery is nearly exhausted When the voltage reaches 6 3 volts the 722 will power down any recordings in process will automatically stop External Powering The 722 can be powered from clean DC power sources within a range of 10 18 VDC 12 watts mini mum Connection to the 722 is through the 4 pin Hirose connector Part HR10 7P4P Pin 1 of the connector is negative and pin 4 is positive Additionally pin 2 and pin 3 are used to supply current to the charging circuitry for the removable Li ion cell Pin 1 and pin 2 of the external DC input are at the same ground potential as chassis ground and signal ground The voltage level of the source powering the unit is shows on the LCD EXT FFU Gl When the 722 senses a low voltage condition from an external DC source the power LED and battery voltage dis play flashes to alert the user When the external DC reaches 9 volts the 722 will automatically switch over to its removable battery If no battery is installed the unit will shut down The included AC to DC power supply can run the unit and charge removable batteries s
77. r or main folder HDD Key Press to enter the directory listing of the selected storage medium either internal hard drive or CF Selected medium is shown in white type Press and hold to toggle between available mediums If only one media is present press and hold is disabled Pressing simultaneously with MENU opens the time code jam menu Headphone Output Peak LED Indicates overload of the headphone amplifier When lit the headphone cir cuit is overloading Reduce headphone level LIM LED Indicates that the microphone input limiters are engaged This LED does not show input limiting activity see descrip tor 27 Microphone Input Limiter LEDs 722 User Guide and Technical Information 22 Link LED Indicates that channels 1 and 2 are linked as a stereo pair In link mode the channel 1 potentiometer controls gain channel 2 potentiometer controls left to right balance Inputs can be linked as either a stereo L R pair or as a a Mid Side MS pair 23 Media Ready LEDs Indicates storage media is present and available to record IN internal hard drive CF Compact Flash EX exter nal Firewire device EX not available in firmware version 1 x Flashing indicates media problem 24 Media Activity LEDs Indicates storage media read write activity IN internal hard drive CF Compact Flash EX external Firewire device EX not available in firmware ver sion 1 xx 25 High Pass Filter LEDs mic
78. r quick setup of input to track routing combinations Note the routing combinations on the blue LEDs with each successive press 2 If none of the preset routing combinations are suitable assign a custom routing Sequential presses of the input key will eventually cycle to the custom routing option see Input to Track Routing pg 18 From the custom input routing menu any input can be assigned to any track including multiple inputs assigned to a single track 3 Press Exit to leave input routing mode If no input is assigned to a track the 722 will not enter recording mode Recording Parameter Setup For most productions the general recording parameters of sample rate bit depth media selection and file format are changed infrequently Enter the setup menu to verify recording settings Sample rate and bit depth are displayed on the LCD panel 1 Select the bit depth as needed 2 Set the sample rate as needed 3 Select the file format for recorded files 4 Select the storage medium internal hard drive Compact Flash or both for recording Recording Now that file basics are set you are ready to begin recording The 722 is a record priority box Press ing the record key cancels all functions except file operations and immediately starts recording a new file When record is pressed the red record LED illuminates to confirm record mode The filename in the LCD display shows the currently recorded file Push the C
79. rack pairs Track 1 is assigned to the left output track 2 is assigned to right output On Tracks A B playback will play as track monitor Stereo monitoring of playback post record track pairs Highlighted media is source of monitor Monitor A B program Track 1 is assigned to left output track 2 is assigned to right output When not playing or recording there is no output There is significant delay in the monitor signal while recording due to the record buffer topology Analog Output Bus Audio signals routed to the Analog Output Bus Bus 1 are sent to three output connections e analog line out TA3 x 2 two channel e analog tape out 3 5 mm TRS two channel Analog Line Out L R The analog line outputs are active balanced line level signals on Switchcraft TA3M locking connec tors The output level is a nominally 0 dBu at 20 dBFS The level of the line output can be attenu ated in the setup menu by up to 40 dB in 1 dB increments Analog Tape Output The tape output connection is stereo unbalanced consumer output level 10 dBV on a TRS 3 5 mm connector Output attenuation does not affect this output level SOUND Q DEVICES 19 722 User Guide and Technical Information Digital Output Bus Just as with the Analog Output Bus the Digital Output Bus Bus 2 can be assigned signal sources from inputs or tracks Sources assigned to Digital Output Bus are exclusive and do not affect the as signments to the Analog Output B
80. re depth with ease of use Its two recording media hard drive and Compact Flash are highly reliable industry standard and easily obtainable The removable rechargeable bat tery is a standard Sony compatible Li ion camcorder cell The 722 interconnects with Windows and Mac OS computers for convenient data transfer and backup Copyright Notice and Release All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the expressed written permission of SOUND DEVICES LLC SOUND DEVICES is not responsible for any use of this information SOUND DEVICES LLC shall not be liable to the purchaser of this product or third parties for damages losses costs or expenses incurred by purchaser or third parties as a result of accident misuse or abuse of this product or unauthorized modifications repairs or alterations to this product or failure to strictly comply with SOUND DEVICES LLC s operating and installation instructions Microsoft Windows is registered trademarks of Microsoft Corporation Macintosh is a registered trademark of Apple Computer Other product and company names mentioned herein may be the trademarks of their respective owners The sound waves logo is a registered trademark of Sound Devices LLC A firmware v 1 24 Features and specifications are subject to change Visit www soundd
81. reading or writing data When a physical shock to the drive occurs during operation the head and the platters can come into contact causing both components to be damaged The second type of shock called non operating shock occurs when the head is in the unloaded position or not positioned over the platters When a physical shock occurs in the non operating state the head can contact the ramp it is positioned over and dam age the ability of the head to read and write data to the hard disk drive All devices with hard drives are subject to damage from operating and non operating shock The mechanical construction of the 722 is designed to minimize the transmission of shock to the hard drive The drive is isolated from the chassis using special shock reducing closed cell foam This material increases the amount of shock the hard drive can withstand Additional protection can be achieved by operating the unit in a carry case If the recorder is used in applications subject to extreme motion Sound Devices recommends recording to CF medium only The hard drive will park its write heads to reduce the chance of failure Like all electrical devices the higher the ambient temperature the shorter the drive s operational life Therefore take care to observe the specified temperature rating There is also a risk from sudden temperature changes which can create condensation inside the drive This condensation can lead to the drive s read write he
82. rols MENU SELECT AES3id Input Unbalanced digital input accepta two channel AES3 or S PDIF on BNC con nectors Supports sample rates up to 200 kHz FireWire IEEE 1394 Port Connection to a computer to access the internal hard drive and Compact Flash volumes as mass storage devices Direct connection to Mac OS 10 2 and Win dows XP and 2000 only computers C Link In Out Ports RS 232 protocol interface on 6 pin modular RJ 12 connector for linking multiple 722 s together Word clock and machine transport are over C Link External DC In Accepts sources of 10 18 volts DC for unit powering and removable Li ion battery charging The Hirose 4 pin con nector is wired pin 1 negative pin 4 positive Pin 2 and pin 3 are used to charge the removable Li ion battery DC ground at both pins 2 and 3 is at the same potential as chassis and signal ground Word Clock Input and Out Provides clock input and output for the 722 Word input accepts sample rates between 32 kHz and 192 kHz Word clock output is the rate that box is run ning There is no sample rate conversion utility in the 722 DC IN 10 18V PIN 4 PIN 1 AES3id Output Bus 2 Unbalanced digital output two channel for Output Bus 2 Signal source is menu selected Multi Function Controller When in the setup menu the controller scrolls between menu selections push enters selection or enter
83. s audio assigned to the tracks appear in headphones dur ing recording whereas the recorded track audio appear in headphones during playback To set the available headphone source options for headphone monitoring enter the HP Monitor modes menu Once you enter the Monitor Modes menu you will immediately be in slot 1 Rotate the Multi Function Controller to select the source you wish to appear first in your Headphone moni tor list Once the chosen source appears press the Multi Function Controller or the soft key ENTER tone key to move to the next slot Continue down the list to select the source for each slot in the list Once all sources have been chosen press done This will exit the headphone monitor mode setup You can exit the selection process by pressing the stop or cancel backlight key at any time If DONE is pressed in the first headphone slot the 722 will select a single option Tracks A B for head phone monitoring The 10 factory presets will be erased Multi Function Controller Encoder Behavior The action of the Multi Function Controller during recording and playback is set from among the four available options e Disabled pushing the controller has no effect e Selects Favorite Mode places the headphone source into the mode selected in the HP Favorite menu e Playback Monitor Drive Select pushing the controller toggles between the available media to select the drive available for playback and track monitor whi
84. s data In record and playback modes selects headphone monitor source push action user select able Ei firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Hardware Descriptions Back Panel Descriptions COMPACT FLASH 1 Security Slot Compatible with the Kensington Secu rity Slot specification Useful for secur ing the recorder to a fixed object with a compatible computer lock 2 Compact Flash Slot Accepts Compact Flash medium with the label side up Compatible with Type I Type II and MicroDrives 3 Battery Mount Accepts Sony InfoLithium L or M Se ries removable rechargeable batteries or batteries conforming to this mount Numerous capacities from 1500 mAh to 6000 mAh are accommodated SOUND Q DEVICES 13 722 User Guide and Technical Information Input Setup and Control The 722 has two inputs and two record tracks Inputs are selectable between analog or digital sourc es Analog inputs are connected with the balanced XLR connectors digital inputs can be connected to either XLR Input 1 AES3 or the BNC input AES3id Input Source Selection Input types are selected in pairs Each input pair accepts analog or digital audio The XLR input signal is selected with slide switch above the connector Manually selecting the audio source is used to force the inputs to analog while using a
85. sensitivity in 0 1 dB Meters show a pre fader level of the input sig 28 Line Input 2 Gain steps 6 dB and 18 dB nal of all four inputs on their respective meters to aid in the adjustment 29 Input 1 Delay Sets a digital delay for each input Can O usec to 30 000 usec up to 48 048 kHz Fs 30 be used to compensate for delay in vari 0 usec to 15 000 usec up to 96 096 kHz Fs Input 2 Delay ous digital wireless microphone units or digital processors 0 usec to 7 500 usec up to 192 kHz Fs SOUND Q DEVICES 722 User Guide and Technical Information Setup Name Setup Description Setup Parameters 31 File Marker Mode Enables the user to set cue points on e Markers disabled the fly while recording by pressing the No cue marks are set l record key e New Cue Cue markers are set in one continuous file e New File A new file is started with each press of the record key the take counter is increased by one 32 File Marker Pre roll New files created when a new file is Disabled opened when record is pressed can have Enabled the selected amount of pre roll appended to the beginning of each file 33 File Max Size Selects the file size where the 722 wil close then start a new file The 722 will eae GiB F ee ae not record a file larger than the selected 2GB e 950 MB Sole 1GB 450 MB The largest file permissible with the e 640 MB 7222 s FAT32 f
86. sh to the hard drive e Last 24 hr CF gt In HDD Copies all files recorded in the last 24 hours from the Compact Flash to the hard drive e Last 48 hr CF gt In HDD Copies all files recorded in the last 48 hours from Compact Flash to the hard drive e Flagged CF gt In HDD Copies all files from the Compact Flash that have their flag bit set to the hard drive 37 File Copy Flag Control Selects whether the flag bit is cleared or not on files copied from one media to another Disabled e Enabled 38 7 Output 1 L R Source Selects the signal source for the Master Output Bus TA3 outputs tape outputs and digital 1 outputs e inputs 1 2 tracks A B e monitor A B post record monitor 39 Output 1 L R Attenuation Selects the attenuation level of signal sent to the Master Output Bus selectable from 0 to 40 dBFS a2 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Setup Menu Setup Name Setup Description Setup Parameters 40 Output 2 L R Source Selects the signal source for output bus 2 e inputs 1 2 sent to digital output bus 2 e tracks A B l e monitor A B post record monitor 41 Output 2 L R Attenuation Selects the attenuation level of the signal selectable from 0 to 40 dBFS output to bus 2 42 Play AutoP
87. stics Peak LEDs Tone Oscillator LCD Contrast amp Backlight LED Brightness Sample Rate and Bit Depth 065 Sample Rates Bit Depths Audio File Formats 000eeeeeeeeee WAV MP3 MPEG Layer 3 Recording and Playback 0seeeeeeaee Recording Playback AutoPlay Storage Medium Internal Drive Formatting Drive Repair Drive Type Drive Failure Drive Replacement Storage Medium Compact Flash 29 When to Use CF Formatting Testing Drive Repair Qualified CF Cards File Naming Numbering 0 000e008 30 Scene Name Number File Management and Copying 5 32 File Finder Navigation File Directory Screen Setting Clearing Flag Bits Automatic Flag Clearing Folders File Time and Date File Size Maximum File Copying Between Internal Drives File Transfer FireWire POWEFING saa eee eee eee e eee eee eee 36 Lithium lon Rechargeable Battery External Powering Charging Firmware Upgrades ceceeeeeeeeeaee 37 Version Information Upgrade Process Setup Menu Presets 0 eeceeeeeees 38 Built In Presets User Setups Setup Menu 0c ec ee cece eee eee ee eee 40 Specifications 0c cece cece e eee eee 45 Connector Pin Assignments 06 47 Power Consumption Variables 48 Recording Time Calculation 48 Uncompressed Recording Time in Track Hours MP3 Compressed Record Time in Hours ACCOSSOF ICS inni a
88. ta rate record ing is performed Hard drives are a good balance of speed reliability noise performance and cur rent draw Higher speed hard drives can be used with the 722 however they will not significantly improve performance High speed drives slightly increase transfer throughput with the penalty of increased power draw reduced battery run time Formatting The drive installed in the 722 is formatted at the factory as a single partition FAT32 volume If a drive with multiple partitions is installed the 722 will only see the primary partion The 722 can only address one partition As a matter of routine maintenance periodic re formatting of the 722 hard drive is recommended Formatting the hard drive rebuilds the FAT file allocation table and erases any audio or other data files present on the medium This reduces possibility of directory corruption and reduces the possi bility of fragmented data files Be certain that all files on the 722 drive have been backed up to another media before formatting Once formatted all data on the drive will be erased To format the 722 internal hard drive 1 Verify that all data on the hard drive has been copied or is no longer needed 2 Press the Menu key 3 Use the Multi Function Controller to scroll to In HDD CErase 4 Press the controller button to begin formatting 5 Press the controller once more to confirm the operation Formatting the 722 hard drive can take up to
89. tor Modes 10 Current HP Monitor Mode Tr A B HP Monitor Favorite Mode Tr A B Headphone Monitor Controller Sw Function fav mode Input Routing Selection 4 track Record Folder Option daily Tone Level relative to 0 dBFS 20 Tone Frequency 1 kHz Tone Mode Tr amp outs Channel 1 Phantom Power off Channel 2 Phantom Power off Input 1 2 Source auto Input 1 2 Control knobs Input 1 Gain 20 dB Input 2 Gain 20 dB External Voltage Threshold 11 VDC Clear Source Flag Bit after File Copy enabled Auto Play mode play all User Setups Film Preset off 1 mono WAV CF amp hard drive new file disabled 4 GB Tr A B 0 dB Tr A B 0 inputs 1 2 tracks A B input 1 input 2 mon A B end of list 10 Tr A B Tr A B fav mode 4 track take clear 20 1 kHz Tr amp outs on on auto knobs 20 dB 20 dB 11 VDC enabled play all Reporter Preset off 1 MP3 128 hard drive new file disabled 4 GB Tr A B 0 dB Tr A B 0 inputs1 2 tracks A B input 1 input 2 mon A B end of list 10 Tr A B Tr A B fav mode mono 2 daily 12 1 kHz Tr amp outs on on auto knobs 20 dB 20 dB 11 VDC enabled play all Setup Menu Music Preset off 1 poly WAV CF amp hard drive new file disabled 4 GB Tr A B 0 dB Tr A B 0 inputs 1 2 tracks A B input 1 input 2 mon A B end of list 10 Tr A B Tr A B fav mode stereo daily 12 1 kHz Tr amp outs on on auto knobs 20
90. units as shown in the illustration 2 Set all linked recorders to the same sample rate bit depth file format and time code frame rate for 744T units used This will ensure that all files generated are compatible SOUND Q DEVICES 722 User Guide and Technical Information 3 Set scene and take numbers on all linked recorders to the same starting file name There is no file name synchronization with multiple unit linking When linked record start and stop on slave units will not affect units above it in the linked chain This makes it possible for units to get out of synchronization if a unit other than the master is set to record or stop Using the master unit will assure that all machines begin and end recording together The C Link jack is a proprietary RS 232 port Under no circumstances should analog or digi warnine tal telephone lines be connected to either jack Serious damage could result Input to Track Routing The 722 uses a simple yet powerful routing scheme The routing matrix allows each input to be routed to any track Inputs can be routed to a single track to create mono mixed recordings The 2 by 2 blue LED matrix makes it easy to check the set routing at a glance A solid blue LED indi cates an input is assigned to a record track 12 inputs can be routed a00 to tracks in any of B _ sixteen possible combinations HDD TRACKS Regardless of which tracks are assigned for recording mon
91. us or headphone assignments The same signal sources available for the Analog Output Bus are available for Digital Output Bus see chart above The Digital Output Bus appears solely on the AES3id BNC output connector The unbalanced AES3id output is directly compatible with most S PDIF inputs The maximum output level is 0 dBFS and can be attenuated in the setup menu in 1 dB increments by 40 dB Headphone Output The 722 headphone output is a flexible tool for monitoring audio in the field The 722 allows the user to monitor inputs tracks or post record tracks The headphone output is independent of the Master Output Bus and Output Bus 2 audio sources can be routed to headphones independent of routing assignments to output buses The 722 is capable of driving headphones to extremely high sound pressure levels Hearing experts advise against exposure to high sound pressure levels for extended periods Choosing Headphone Sources The headphone source display on the main LCD screen Ww AE D shows the audio sources sent to headphones The 722 comes from the factory with 10 preset headphone audio source selections avail able on the Multi Function Controller These selections include inputs tracks and track monitors Turn the Multi Function Controller on the right panel when at the main LCD screen to select among the available headphone monitoring sources Track Monitor Headphones can be sent post audio from either the internal har
92. y implications 28 firmware v 1 24 Features and specifications are subject to change Visit www sounddevices com for the latest documentation Storage Medium 722 with bottom panel removed showing hard drive mounting location The internal hard drive is not intended as a swappable exchange medium Only qualified service techni cian using proper ESD precautions should perform drive replacement Storage Medium Compact Flash Compact Flash CF is a practical portable storage medium for audio recording Its speed reliability and price continue to evolve to the benefit of portable recorders The 722 can write to and read from CF as either its sole recording medium or simultaneously with the internal hard drive When to Use CF The key benefits of CF include wider temperature range capability than hard drives increased shock immunity versus hard drives convenient media insertion and removal established workflow and ubiquitous card readers and transfer tools Formatting Upon insertion of an unformatted or non FAT32 formatted CF medium the 722 will prompt the user to format the card If the card is formatted as a FAT32 volume the card will be ready for selec tion as a recording volume To reformat the CF medium follow the same procedure as formatting the hard drive substituting the CF menu selection for the hard drive Formatting the CF rebuilds the FAT file allocation table and erases any audio or other data f

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