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Specifications

System

Sampling Frequency

internal: 32, 44.1, 47.952, 48, 48.048, 88.2, 96, 96.096, 176.4, 192 kHz

external clocking: 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 sampling 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-weighted bandwidth

108 dB, 20 Hz–22 kHz bandwidth

Metering

76-segment (4 x 19), sunlight-viewable

selectable peak, VU, or peak (with or without peak hold) with VU ballistics, variable brightness

Analog Input

(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

(input dBu to

20 dBFS)

Mic (normal gain mode): 24.3–67.4 dB

Mic (low gain mode): 9.3–52.4 dB

Mic (normal, fades to off gain mode): off (0)–67.4 dB

Mic (low, fades to off gain mode): off (0)–52.4 dB

Line:

6–18 dB, 0.1 dB increments

Input Impedance

Mic (XLR): 7.5k ohm

Line (XLR and TA3): 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, channel-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

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

Содержание 744T

Страница 1: ...r with Time Code User Guide and Technical Information firmware rev 2 67 Sound Devices LLC E7556 State Rd 23 33 Reedsburg WI USA 1 608 524 0625 fax 1 608 524 0655 Toll Free 800 505 0625 www sounddevices com support sounddevices com SATA 2 5 HDD ...

Страница 2: ...backside front cover ...

Страница 3: ...ecording Record Pause Record Timer Playback 36 AutoPlay Audio File Formats 37 WAV FLAC MP2 MP3 iXML RecordingTime Calculation 39 Uncompressed Recording Time in Track Hours MP3 Compressed Record Time in Hours File Naming Numbering 41 Scene Name Numbering Mono Track Name Designators Duplicate File Names Wave Agent Beta 43 File Management 44 Folder Actions File Viewer Navigation File Viewer Screen Fi...

Страница 4: ...performance and low noise With documentary and ENG mixing engineers in mind the 744T is very small while still being feature rich No other recorder on the market matches its size and feature set In addition its learn ing curve is quite short powerful does not mean complicated While the 744T is a very capable recorder by itself it truly excels when used in conjunction with an outboard audio mixer s...

Страница 5: ...NY KIND OR NATURE WHATSOEVER ARISING OUT OF OR RELATING TO THE PRODUCTS THESE TERMS AND CONDITIONS OR THE PARTIES RELATIONSHIP INCLUDING WITHOUT LIMITATION DAMAGES RESULTING FROM OR RELATED TO THE DELETION OR OTHER LOSS OF AUDIO OR VIDEO RECORDINGS OR DATA REDUCED OR DIMINISHED AUDIO OR VIDEO QUALITY OR OTHER SIMILAR AUDIO OR VIDEO DEFECTS ARISING FROM RELATED TO OR OTHERWISE ATTRIBUTABLE TO THE P...

Страница 6: ......

Страница 7: ...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 among selections and to select specific parameters enters setup menu ITEM highlighted menu item 4 selects highlighted item or parameter moves ...

Страница 8: ...g rate are displayed on the LCD panel 1 Select the bit depth as needed 2 Set the sampling rate as needed 3 Select the file type WAV mono or WAV poly FLAC MP2 or MP3 4 Select the storage medium s Internal hard drive CompactFlash External drive or any combinations of the three drives for recording Time Code Setup When using a time code workflow proper time code setup is essential for accuracy Skip t...

Страница 9: ... to 6 pin for interconnection Files on the 744T can be treated as if they are local files including renaming files copying deleting and playing directly from the 744T hard drive In general it is good practice to copy audio files from the 744T to a computer before any processing is performed on the files To connect the 744T for FireWire computer transfer 1 Stop all playback and recording activity 2...

Страница 10: ...e When inputs are linked as a stereo pair Input 2 Gain controls left to right bal ance 4 MENU Key Used to access all 744T setup menu selections When in menu mode used to move up through the menu selections Pressing the HDD and MENU keys simultaneously brings up the time code jam menu 5 LCD Display Primary display of 744T status The LCD is backlit using the LCD backlight control 15 6 Tone Oscillato...

Страница 11: ...d keyboard backlighting Hold the key and turn the Rotary Switch to adjust the brightness of LEDs In menu mode functions as the cancel key 16 Fast Forward Key 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 flas...

Страница 12: ... Input Limiter LEDs Illuminates orange when limiting is oc curring on the microphone input If con stantly lit the microphone input is being hit with too hot of a signal Reduce 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 29 Input Peak Overload LED Indicates ana...

Страница 13: ...ator Shows the set record bit depth In play back shows the file bit depth 6 Sample Rate Indicator Shows the set record sampling rate In playback shows the file sampling rate 7 Time Code Rate Shows the set time code frame rate If a file has time code information embed ded the playback frame rate is indi cated If external time code is connected and the external rate differs from the rate set interna...

Страница 14: ...n 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 13 Input 1 2 Level When input 1 or 2 gain is turned this indicates the gain level in dB for inputs 1 and 2 Gain levels can be selected to always be displayed in the Setup Menu option LCD GAIN DISP...

Страница 15: ...XLR input connector 4 TA3 Channel 3 4 Line Inputs Active balanced line level input connec tors Pin 1 ground pin 2 pin 3 5 TA3 Master L R Analog Outputs Active balanced line level analog L R outputs for the Master Output Bus Pro gram source and attenuation level are user selectable Pin 1 ground pin 2 pin 3 6 Headphone Output 3 5 mm TRS stereo headphone connec tor Can drive headphones from 8 to 1000...

Страница 16: ... C Link connec tor 5 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 1 and 2 is at the same potential as chassis and signal ground 6 Word Clock Input and Out Provides clock input and output...

Страница 17: ...dium with the label side up Compatible with Type I Type II and MicroDrives 3 Battery Mount Accepts Sony InfoLithium L or M Series batteries Also accepts batteries conforming to this mount Numerous capacities from 1500 mAh to 7000 mAh are available 4 Battery Release Pin Push down the pin with a long skinny object such as a key screwdriver or a pen With the pin pushed in slide the L or M Series batt...

Страница 18: ...locked 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 associ ated with an input pair to reduce power draw and extend battery runtime When an input pair is disabled the digital input LEDs associated with the pair will slowly flash In playback only applica tions both input pairs can be shut down to maxi...

Страница 19: ...range controls input gain from 24 3 dB to 67 4 dB of gain The LOW range controls input gain from 9 3 dB to 52 4 dB The LOW ranges are useful for high SPL recording environments The fade to off options allow for fader like control of your gain NORMAL FADES TO OFF provides a gain range of off or 0 to 67 4 dB and LOW FADES TO OFF pro vides a gain range of off or 0 to 52 4 dB High Pass Filters microph...

Страница 20: ...sider when Linking Input 1 2 as MS Digital Inputs cannot be linked as an MS pair If linking Line Inputs as an MS pair the Setup Menu option LINE INPUT 1 2 GAIN CTRL must be set to Use Front Panel Knobs Analog Inputs 3 4 Appearing on Switchcraft TA3 connectors inputs 3 and 4 accept balanced or unbalanced line level signals These inputs have few controls and are typically fed from the output of a mi...

Страница 21: ...d key has been pressed will not be recorded or affect the sampling rate of the 744T The 744T clocks itself to the first digital signal presented to it If the 744T 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 Signal Presence and Peak Indicator The four signal presence and peak ...

Страница 22: ...ter the custom routing menu Custom routing allows any input to be assigned to any record track In the menu highlighted 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 routings 1 Press the input key until INPUTROUTING is displayed on the LCD display arrow indicates high lighted input i...

Страница 23: ...elected the resulting files will be named _1 _3 and _4 and track B will not be recorded saving storage space When polyphonic files are selected a four track file will be generated with track B being a blank track Blank tracks in polyphonic files take up the same amount of storage space as tracks that are assigned Sampling Rate and Bit Depth When recording the 744T generates uncompressed PCM audio ...

Страница 24: ...roduction audio tracks 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 accom modate more dynamic range A quick estimate of maximum dynamic range capable of being rep resented by a given word length is dynamic range no of bits...

Страница 25: ...it may not have an external word clock input and will be the word clock master If digital audio is connected to the 744T from more than one digital device you must word clock theses sources together otherwise variations between the sources will render their signals unusable If the 744T is slaved to external word clock be certain that the source is stable Loss of the word clock signal during record...

Страница 26: ...p Using the master unit will assure that all machines begin and end recording together Master Slave relationships between C Linked recorders is established immediately after the C Link Out to C Link In connection is made To reverse the Master Slave relationship power down all recorders establish the new Master Slave relationships by reconnecting the C Link Out to C Link In connectors in the desire...

Страница 27: ...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 attenuated in the setup menu by up to 40 dB in 1 dB increments Attenuation is done as an output pair Analog Tape Output The tape output connection is stereo unbalanced consumer output level 10 dBV on a TRS 3 5 mm connector Output attenuatio...

Страница 28: ...ve or CompactFlash dur ing recording This is commonly referred to as confidence monitoring To monitor recorded tracks during recording select one of the track monitor modes Because of the record buffering topology of the 744T a delay of up to 12 seconds can be expected before recorded audio appears at the output The 744T will play back recorded audio from the media highlighted on the LCD panel see...

Страница 29: ... 4 Inputs 1 3 2 4 Combinations of summed inputs appear in each ear The first selection is summed mono monitoring of all four inputs Tracks A B C D Tracks A B C D Tracks A B A B Tracks A C A C Tracks B D B D Tracks C D C D Tracks A B C D Tracks A C B D Tracks A C A D Tracks B C B D Tracks A B C A B D Combinations of summed tracks appear in each ear The first selection is summed mono monitoring of a...

Страница 30: ...n track When recording four channel B format audio the 744T headphone monitor can decode the B format signal into L R stereo The 744T constructs a stereo signal using the W X and Y signals of the B format The Z axis signal is not used Similar to the 744T s MS stereo monitoring the stereo width is fixed for headphone monitoring To record and monitor B format signals connect signals as follows Sound...

Страница 31: ...able for the Headphone Playback Mode as well as No Change which makes no change to the headphone selection during playback Headphone Playback Mode is select ed in the setup menu Headphone Warning Tones The 744T can generate an audible beep or warning bell in the headphones when an error has occurred The specific error will be reported on the LCD The output level of the warning bell can be selected...

Страница 32: ...eak 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 closely to how the human ear perceives loudness and provides a good visual indication 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 perce...

Страница 33: ...eak indicator The user can select a signal threshold 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 since 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 t...

Страница 34: ...LCD contrast is setup menu controlled From the factory the contrast is set to 50 suitable for most viewing conditions Contrast can be increased or decreased The front panel key toggles the LCD and key backlight Backlighting is suitable in low or no ambient light situations LED brightness is continuously adjustable from low to high Hold down the key then turn the Rotary Controller to change brightn...

Страница 35: ...e 744T have time code numbers begin on the 0 frame or 02 in DF modes If necessary pre roll is dynamically applied to accomplish this This simplifies synchronization in post pro duction Furthermore all files end on the 0 frame such that a file s duration is always an integer number of seconds long If necessary post roll is applied to accomplish this Sound Devices Wave Agent Beta for Mac OS and Wind...

Страница 36: ...l show 30 ND during recording No other frame rate is available in 48 048kF mode the file is recorded at 48 048 k 30 ND The audio file however is stamped with a 29 97 ND frame rate along the 48 kHz sampling rate It will appear as if the file was originally recorded at a 48 kHz sampling rate at a TC rate of 29 97 ND on playback file appears at 48 k 29 97 ND Fostex DV40 When using files recorded in t...

Страница 37: ...y interrupt time code Ext TC Auto Record The internal time code generator follows the external time code signal appearing at the time code input When external code advances the 744T enters record mode automatically When the external code is stopped the 744T generator pauses and recording is stopped This is appropriate when dual system sound is used with video cameras set for Rec Run time code The ...

Страница 38: ...ile will begin after the Hold Off time expires It is best practice to set Pre Roll in the Setup Menu option REC PRE ROLL TIME to a value greater than the selected Hold Off value This ensures that audio is captured from the moment a time code signal is detected and unintentional files triggered by short bursts of time code are not generated Jam Menu current 744T timecode u bit value menu selection ...

Страница 39: ... the jam value selection above The initial screen of this menu shows the currently set value as well as the current time code setting of the 744T Press the Rotary Switch or the enter key tone key to enter into edit mode The user can set the time code numbers in pairs hours minutes seconds and frames Once DONE is selected the value is available to jam into the internal generator with the jam value ...

Страница 40: ... Disconnect the time code cable The camera and recorder time code should now be running in sync Check it after roughly 5 minutes to be certain synchronization is maintained Video cameras are notorious for time code instability when switched off If the video camera must be shut down re jam it when it is powered back up Recording The user interface of the product has been designed similar to a tape ...

Страница 41: ...akes the 744T has an available pre record or pre roll buffer When active pre record begins recording at a set number of seconds PRECEDING the record key being pressed The amount of pre record is sample rate dependent At 48 kHz ten seconds of buffered audio is available At a 96 kHz sampling rate five seconds is available At very high rates 192 kHz two seconds of pre record buffer is available Recor...

Страница 42: ... recording is resumed from the paused state Record Timer The 744T is equipped with a record start and stop timer This allows a user to record a take at a specific time from an unattended recorder Set the start time in the Setup Menu op tion REC TIMER START then set the record stop time in the Setup Menu option REC TIMER STOP The 744T will only start recording if the recorder is On when the timer s...

Страница 43: ...4T has two file type options for recording WAV files mono and poly Select the file type in the Setup Menu option REC FILE TYPE Monophonic When WAV Mono is selected the 744T will generate a separate audio file for each recorded track The mono files generated by the 702T have file names similar to T01_1 WAV and T01_2 WAV The file name suffixes _1 and _2 identify the track number of the file Polyphon...

Страница 44: ...d FLAC files Use Sound Devices Wave Agent Classic software www waveagent com to extract Broadcast Wave files from 7 Series recorded FLAC files Auto save feature does not apply to FLAC files if power is lost while recording the file maybe invalid MP2 MPEG 1 Layer II is a lossy compression algorithm often used for speech recording What to consider when recording to MP2 time code is enabled with BEXT...

Страница 45: ...reo but can not be quantified into a specific per channel bit rate iXML The 744T includes iXML revision 1 5 data in addition to the broadcast wave extension data For iXML aware software applications this data is available For applications that don t recognize iXML this information is ignored Notes iXML supports notes fields From the File Viewer select OPTIONS then Notes Using an external keyboard ...

Страница 46: ... track hours at the specified data rate supported by the 744T If recording two tracks divide the track hours figure by two Similarly for four track recording divide track hours by four Note that the 744T supports additional sampling rate bit depth combinations however only the most com mon are included below Record Time The chart shows that when recording 24 bit 48 kHz audio to a 40 GB hard drive ...

Страница 47: ...at all recordings are two channel 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 networ...

Страница 48: ...e name is automatically saved 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 root of the drive Take Numbers Take numbers are integers between 01 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...

Страница 49: ...744T detects that a duplicate file name is going to be generated in any specific folder the 744T changes the file name by adding of a letter suffix before the extension For instance if take numbers are reset but files are recorded to the same directory as previous files a suffix A is added to the file If additional duplicate files are generated the letter suffix increments to B C etc Wave Agent Be...

Страница 50: ...created when the record key is pressed This reduces the likelihood of empty folders Top Level folder is a root level folder and can be set with a user selected name The Top Level folder can also be de activated by selecting NONE from the Setup Menu If the Top Level folder is not used then the next lower level folder will reside at the drive s root If the TOP LEVEL folder is active then the MID LEV...

Страница 51: ...nu File Folder Options File Viewer 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 folder where the last recorded file or played file is located with be the folder first opened The 744T knows this file name by reading a txt fil...

Страница 52: ...oft keys increment and decrement time and date controller can be turned as well advances to the next selection returns 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 time of day and date for 8 days or more File Size Maximum The 744T storage volumes inter...

Страница 53: ...ne media to the other Last 24Hr Media Media Copies files created in the last 24 hours between media Last 48Hr Media Media Copies files created in the last 48 hours between media Flagged Media Media Copies all files with their flag archive bit set between media Once file copying has begun the 744T searches the source media for the selected files The 744T will then search the destination drive looki...

Страница 54: ...fy a take as a false take perform the following 1 Press stop to end recording 2 Wait for the file to finish writing the activity LED will turn off 3 Hold down the stop key and press rewind to be prompted to delete the most recent take 4 Press the soft check box to delete the take Files that have been deleted as false takes are moved to the FALSETAKES folder and the file s metada ta False Takes fla...

Страница 55: ...ity of the take so that post can quickly identify which takes to use The Take Status of the last take recorded can be quickly changed in the Take Status Menu Any take recorded prior to that must be changed in the Take List Take Status changes are applied to all available media that recorded the selected take If one of the media has been removed and a Take Status change is performed the 744T report...

Страница 56: ...Y to enter the Take List The Take List can also be accessed via the Setup Menu option FILE VIEW TAKE LIST 3 Scroll among files to find the take that is to have its status changed 4 Press the soft No Good Rewind key or the soft Circle Fast Forward key To remove the take status indication highlight the No Good or Circled file and select No Good or Circle again 5 Press the soft X LCD Backlight key or...

Страница 57: ...lected Dynamic lists such as track names scene names folder options etc will be saved Drive Type The 744T ships with a 2 5 inch SATA 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 SATA specification can be substituted for the factory hard drive Units with serial numbers below 4615090710...

Страница 58: ...ng 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 an...

Страница 59: ...at the card If the card is formatted as a FAT32 volume the card will be ready to be selected as a storage medium To reformat the CF medium follow the same procedure as formatting the hard drive substituting the CF menu selection for the hard drive The 744T can format and use CompactFlash cards with capacities of 64 MB and greater Formatting the CF rebuilds the FAT file allocation table and erases ...

Страница 60: ...CONNECTION Because the 7 Series can write to all available mediums simultaneously the ability to write to an external drive reduces the need for post record copying of sound files External hard drive is attached and is selected as the recording destination External FireWire drives require 2 0 ready 744T hardware Only recorders specifically labeled 2 0 ready are able to connect to external FireWire...

Страница 61: ... turned off Qualified Drives External FireWire storage volumes that can be formatted and addressed as FAT32 can be used with the 744T These include external hard drives bus powered or mains powered Drives as large as 2 TB can be addressed FireWire CompactFlash card readers DVD RAM drives FireWire drives use a variety of chipsets to perform conversion from the drive s native format i e IDE to FireW...

Страница 62: ...riginal recorded medium to another volume before editing To mount the 744T to a computer via FireWire 1 Stop all playback and recording activity 2 Interconnect the 744T to a FireWire enabled computer using an appropriate FireWire cable No drivers are required if the computer meets the requirements listed in Specifications 3 Make certain that within the FIREWIRE CONNECTION Setup Menu item COMPUTER ...

Страница 63: ...ransition to Li ion power The transition between external and removable battery powering is seamless and has no affect on recording or playback operation During typical operation the 744T will run for approximately four hours from the included 4800 mAh Li ion battery Lithium Ion Rechargeable Battery The 744T is compatible with Sony mount L or M type Li ion rechargeable batteries Numerous pow er ca...

Страница 64: ... charging circuit evaluates the battery condition and supplies charg ing current if necessary When charging the amber charge LED will flash Once the battery is fully charged the charger will turn off and the amber charge LED will light solid indicating a full charge Large capacity cells increase the charge time Charge LED Activity Description of Activity Off Charger disabled On Completed charge ba...

Страница 65: ...m prohibiting the 7 Series from beginning a recording Power Consumption Variables The 744T draws power from either its on board Li ion battery or from external DC sources Two factors 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 744T power consump...

Страница 66: ...Firm ware is user upgradeable To upgrade firmware follow the steps below 1 Download the firmware file from the Sound Devices web site 2 Transfer the firmware file it will be named VERSION _ NUMBER PRG to the 744T internal hard drive via FireWire or onto a CF card If there are multiple firmware files on the media the 744T will indicate the firmware file listed to apply To prevent confusion ensure t...

Страница 67: ...e PS 2 connector on the CL 1 4 Connect switches between assigned pins 1 6 pin 7 ground and pin 8 5V on the CL 1 See Logic Inputs and Outputs The C Link port on the 744T provides power for CL 1 operation Keyboard Assignments Standard keyboard shortcuts have been pre assigned and are listed below Menu Keys Shortcut Key Function Space Bar Enters Playback Mode Pauses the take when in Playback Mode Esc...

Страница 68: ...nu Jumps to menu list number Shortcut User Interface Menu Jumps to shortcut number String Edits Take Name Number Renaming Notes Hot Key Function ASCII Characters Scene Prints Character and moves to next character Take 0 9 Prints Number A Z Prints Spacer Backspace Deletes previous character and moves one character to the left Delete Deletes currently selected character Take Same as Reset Play Butto...

Страница 69: ...below table Macros are currently not implemented Action Function Momentary Button Logic In only Simulates selected button Can simulate in any menu Toggle Button Logic In only Toggles state of selected button Play and Record are supported Open Menu Opens a SetupUI Menu Cycle Settings Cycles a SetupUI parameter to the next setting and saves it Set Settings Sets a SetupUI parameter to the given setti...

Страница 70: ...TTL level or similar input For example the CL 1 can drive a big red LED con nected via a series resistor between the 5V output and a switch closure output and light up when ever the recorder is put into record mode To configure a pin as an output go to CL 1 LOGIC OUT ASSIGN in the Setup Menu The Logic Pin number is on the left hand side 00 01 etc Each of these pins can be assigned to un defined St...

Страница 71: ...40 Hz 12 dB oct 40 Hz 12 dB oct 40 Hz 24 dB oct 40 Hz 12 dB oct Mic Input 1 Gain Range Normal Normal Normal Normal Mic Input 2 Gain Range Normal Normal Normal Normal Input 1 2 Source Auto Select Auto Select Auto Select Auto Select Input 3 4 Source Auto Select Auto Select Auto Select Auto Select Input 1 2 Linking MS Unlinked Unlinked Unlinked Linked 1 2 Line Input 1 2 Gain Ctrl Use Front Panel Knob...

Страница 72: ...Stop Bell Disabled Disabled Disabled Disabled Tone Level 20 dBFS 20 dBFS 20 dBFS 20 dBFS Tone Frequency 1000 Hz 1000 Hz 1000 Hz 1000 Hz Tone Mode To Rec Tracks and Outputs To Rec Tracks and Outputs To Rec Tracks and Outputs To Rec Tracks and Outputs Tone Record Lock Locked While Recording Locked While Recording Locked While Recording Locked While Recording Power Ext Low Batt Volt 11 0 volts 11 0 v...

Страница 73: ...tate to file on CF 2 FireWire Connection Activates FireWire drive mode Computer Connect STOP HDD buttons External Drive 3 Rec Sample Rate Sets the audio sampling frequency of the 744T 32 kHz 44 1 kHz 47 952 kHz 47 952k F 48 kHz 48 048 kHz 48 048k F 88 2 kHz 96 kHz 96 096 kHz 96 096 k F 176 4 kHz 192 kHz 4 Rec Bit Depth Sets the bit depth of the 744T recordings 16 bit 24 bit 5 Rec File Type Selects...

Страница 74: ...ecording and then resume recording with Timer Start enter time date 15 Rec Record Indicator Sets how the large display looks when the unit enters record Normal Numbers Reverse Numbers Flash Numbers 16 Rec Record Pause Allows a recording to be stopped then continued without creating a new take or file Time Code Mode must be set to Off to enable Record Pause Disabled Enabled 17 Input Routing Allows ...

Страница 75: ...g the record key Markers disabled No cue marks are set New Cue Cue markers will be set within one contiguous file New File A new file is started with each press of the record key the take counter is increased by one 40 File Max Size Selects the file size where the 744T will close then start a new file The 744T will not record a file larger than the selected size The largest file permissible with t...

Страница 76: ...s only during recording generating continuous time code from file to file 24 Hr Run time code is initialized from the system clock on startup and enters free run mode Time code is updated if the time of day clock is adjusted Ext TC applies external time code to the recorder directly The internal time code generator has no effect Ext TC cont applies external time code to the recorder internal gener...

Страница 77: ...0 dBFS 55 56 Output 2 Left Source Output 2 Right Source Selects the signal source for output bus 2 sent to digital output bus 2 Input 1 Input 2 Input 3 Input 4 Track A Track B Track C Track D Input 1 2 Input 3 4 Input 1 3 Input 2 4 Input 1 2 3 Input 2 3 4 Input 1 2 3 4 Track A B Track C D Track A C Track B D Track A B C Track B C D Track A B C D 57 Output 2 L R Attenuation Selects the attenuation ...

Страница 78: ...edia source for file playback and record monitoring 70 HP Monitor Modes Select the sequence of the modes that appear in the Headphone Source Display on the LCD Up to 20 source selections can be entered in any order See headphone monitor section in guide for adjustment and Favorite Mode below for list of headphone selections 71 HP Favorite Mode Selects the audio source monitored when the Rotary Swi...

Страница 79: ...ed CompactFlash medium 84 CF Erase Format Formats installed CompactFlash medium Caution while various PC utilities are able to recover files from re formatted drives once format ted old audio data is not accessible by the 744T 85 CF Empty Trash Allows user to delete files previously sent to the trash as well as false takes Empty Trash Empty False Takes Empty both 86 EXHDD Space Shows the drive fil...

Страница 80: ...ode Logic input overrides logic output selection Undefined Stop Play Pause Record 97 Info Button Shortcuts An informative menu showing the available key board shortcuts 98 Info Version Shows the hardware revision serial number and firmware version of the unit 99 Update Software Upgrade tool used to apply new firmware It will search all connected storage for the firmware file and prompt to update S...

Страница 81: ...on Phantom 1 Tone and Menu Toggles Input 1 phantom power Phantom 1 2 are linked when Inputs 1 2 are linked Phantom 2 Tone and HDD Toggles Input 2 phantom power Low cut 1 Backlight and Menu Toggles Input 1 high pass filter Low cuts 1 2 are linked when Inputs 1 2 are linked Low cut 2 Backlight and HDD Toggles Input 2 high pass filter Connect FireWire Stop and HDD Initiates FireWire connection if pre...

Страница 82: ...al L ring signal R sleeve signal ground Master Output Bus signal in an unbalanced consumer electronic level 3 5 mm Headphone tip signal L ring signal R sleeve signal ground mates with 3 5 mm TRS jack 5 pin LEMO Time code 1 ground 2 SMPTE TC In 3 ASCII in out 4 tuning out 5 SMPTE TC out LEMO B series connector pin assignments as viewed on panel mounted connector AES3 Unbalanced S PDIF Inputs center...

Страница 83: ...W 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 input dBu to 20 dBFS Mic normal gain mode 24 3 67 4 dB Mic low gain mode 9 3 52 4 dB Mic normal fades to off gain mode off 0 67 4 dB Mic low fades to off gain mode off 0 52 4 dB Line 6 18 dB 0 1 dB increments Input Impedan...

Страница 84: ...b s stereo Utilities format and speed test for internal HD CF and external drive volumes Data Transfer Control FireWire drive mode IEEE 1394a compliant 6 pin FireWire Windows 2000 XP Vista Mac OS X only C Link 6 wire modular input and output RS 232 machine control word clock time code transfer Time Code Modes Supported free run record run 24 hour run external time code receive Frame Rates 23 976 2...

Страница 85: ...xible recording kit Available accessories from Sound Devices include CL 1 Remote Control and Keyboard Interface used to control the 744T s record start and stop functions using a toggle switch Allows user to connect a PS 2 keyboard for control and metadata entry CS 3 Production case with high quality strap for use with Sound Devices MixPre 302 702 702T 722 and 744T recorders NP type battery compar...

Страница 86: ...le used to jam to and from video cameras 60 inch XL LCD Protective clear Lexan LCD cover for 7 Series Digital Recorders Protects the LCD glass from scratches and water Kit of four covers XL LL 5 pin LEMO to 5 pin LEMO cable used to connect the 744T time code circuit to Ambient time code sync boxes slates and controllers or to jam one 744T to another time code equipped 7 Series recorder additionall...

Страница 87: ...ISPR 22 EN55022 2003 Radiated and conducted emissions Class B EN61000 4 2 2001 IEC61000 4 2 2001 ESD 4 kV contact 8 kV air discharge EN61000 4 3 2001 IEC1000 4 3 2001 Radiated RF immunity 10 V m 80 1 kHz amplitude modulation EN61000 4 4 2001 IEC61000 4 4 2001 AC power ports EFT Burst I O lines 0 25 kV to 1 0 kV power line 0 5 kB 1 kV EN61000 4 4 2001 IEC61000 4 4 2001 EFT Burst I O lines 0 25 kV t...

Страница 88: ...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 not distribute copies of the SOFTWARE or accompanying materials to others Licensee may not modify adapt translate reverse engineer decompile disassemble or create derivative wo...

Страница 89: ...pply in all cases For all service including warranty repair please contact Sound Devices for an RMA return mer chandise authorization before sending your unit in for repair Product returned without an RMA number may experience delays in repair When sending a unit for repair please do not include ac cessories including SSD drives CF cards batteries power supplies carry cases cables or adapters unle...

Страница 90: ...744T rev 2 67 Printed in U S A ...

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