Sound Devices 702T User Manual And Technical Information

Sound Devices 702T User Manual And Technical Information

High resolution digital audio recorder with time code
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702T
High Resolution Digital Audio Recorder with Time Code
User Guide and Technical Information
fi rmware rev. 2.66
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
support@sounddevices.com

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Summary of Contents for Sound Devices 702T

  • Page 1 702T High Resolution Digital Audio Recorder with Time Code User Guide and Technical Information fi rmware rev. 2.66 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...
  • Page 2 backside - front cover...
  • Page 3: Table Of Contents

    702T User Guide and Technical Information Table of Contents Quick Start Guide ....... . .3 .WAV...
  • Page 4 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 modifi cations, repairs, or alterations to this product, or failure to strictly comply with SOUND DEVICES, LLC’s operating and installation instructions.
  • Page 5: Quick Start Guide

    Routing Inputs to Tracks Before recording, inputs must be assigned to tracks. Each 702T input (1 and 2) can be assigned to the two recorded tracks (A and B). These 16 possible routing combinations are shown on the front panel...
  • Page 6: Selecting Recording Parameters And File Destination

    Select the time code run mode: free run, record run, 24 hr. run, or one of the external run modes. Typically, the 702T is used as the master clock source and all other cameras and slates are jammed to it.
  • Page 7: Firewire File Transfer

    Use the appropriate FireWire cable (6-pin to 4-pin or 6-pin to 6-pin) for interconnection. From the computer fi les on the 702T CF card can be treated as if they are local fi les, including renaming fi les, copying, deleting and playing directly through the 702T.
  • Page 8: Front Panel Descriptions

    702T User Guide and Technical Information Front Panel Descriptions All 702T settings can be accessed and monitored through the front panel LCD and navigation but- tons. This allows the unit to be placed in a production bag along with fi eld mixers, wireless transmit- ters, and wireless receivers.
  • Page 9 Play-pause indicated by fl ash- Power Button ing A-time on LCD. Fast forward rate Press and hold to power up the 702T. increases the longer the button is held. Press and hold to power down. In play-stop mode (indicated by fl ashing fi...
  • Page 10: Panel Button Lock

    Panel Button Lock Press and hold the backlight button then the tone button to bring up the Button Lock screen. Button Lock prevents accidental changes to settings or record status. The 702T displays any button lock options enabled. select the soft buttons to...
  • Page 11: Lcd Display Descriptions

    FireWire me- Alternating display between the set date dia. Numbers show time in hours and and time of the 702T. This information is minutes based on the presently selected written as the creation and modifi cation number of record tracks, sample fre- date for recorded sound fi...
  • Page 12: Back Panel Descriptions

    − to 50 dB, line input range is from 6 dB Indicates that the 702T is locked to a to 18 dB. “Locked” will be displayed valid external AES or word clock source. on the LCD when the pot is turned with digital inputs selected or with line inputs set to menu control.
  • Page 13: Left Panel Connectors And Controls

    AES3 input (1 and 2). Headphone Level XLR Input 2 Adjusts the headphone output level. Active-balanced analog microphone- or NOTE: the 702T is capable of producing line-level input for input 2. ear-damaging levels in headphones. Mic-Line Input Switch Tape Output Selects the input level and mode of the Unbalanced tape (–10 dBv nominal)
  • Page 14: Right Panel Connectors And Controls

    Rotary Switch storage devices. Also used to attach ex- ternal FAT32-formatted FireWire drives In record and playback modes, selects to the 702T for direct recording and the headphone monitor source; push copying. action is user selectable. When in the Setup Menu, the Rotary Switch moves C.
  • Page 15: Input Setup And Control

    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 702T will choose the input type based on signal present. The 702T is capable of off-speed sample rates when clocked from either external digital inputs or the word clock input.
  • Page 16: Input Linking (Stereo Or Ms Decoding)

    702T User Guide and Technical Information limiters will prevent unusually high input signal levels from clipping the analog input stage of the preamp. The front panel LIM LED ( ) shows that the limiter is engaged. Limiter activity is indicated by additional front panel LEDs, one for each input channel ( ).
  • Page 17: Digital Input - Aes3

    702T. The 702T clocks itself to the fi rst digital signal presented to it. If the 702T 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 fi...
  • Page 18: Input-To-Track Routing

    Input-to-Track Routing The 702T uses a fl exible routing scheme to assign inputs and tracks for recording. The input matrix allows any input to be routed to any recording track. Multiple inputs can be routed to a single track to create mono-mixed recordings.
  • Page 19: Selective Input Muting

    702T User Guide and Technical Information arrow indicates high- lighted input is assigned to highlighted track select to exit menu and apply selected routing selet to move up and down menu select to remove input assignment Using either the Rotary Switch or the up and down arrows, navigate to desired input-to-track combina- tions.
  • Page 20: Sampling Rate And Bit Depth

    See Time Code section for more information about the 48.048F, 47.952F, and 96.096F rates. Bit Depths The 702T 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 recording (versus 16 bit) is a signifi...
  • Page 21: Word Clock

    Once a fi le is recorded its sampling rate and bit depth can not be changed in the recorder. The 702T does not perform sample rate conversion or bit depth changes. File conversion must be done in another environment, such as an audio workstation.
  • Page 22: Link - Multi-Unit Linking

    702T User Guide and Technical Information C. Link – Multi-Unit Linking The proprietary C. Link (control link) connection allows multiple 702T, 702T, 722, and 744T recorders to be connected and clocked together. The C. Link also enables the CL-1 Remote Control and Key- board interface to control the 702T with an attached keyboard or via switch closures.
  • Page 23: Outputs - Analog And Digital

    Outputs – Analog and Digital The 702T has two independent output buses , the Analog Output Bus (Bus 1) and the Digital Output Bus (Bus 2). Each side (left and right) of the two-channel buses are assigned audio sources indepen- dently, allowing the 702T to feed multiple audio devices with unique program content.
  • Page 24: Headphone Output

    702T User Guide and Technical Information Headphone Output The 702T headphone output is a fl exible tool for monitoring audio in the fi eld. The 702T allows the user to monitor inputs, tracks, and post-record tracks in a number of combinations. MS stereo moni- toring is also available in headphones.
  • Page 25: Ms Stereo Monitoring

    (backlight) button at any time. If DONE is pressed in the fi rst headphone slot, the 702T will select a single option (Tracks A, B) for head- phone monitoring. The 10 factory presets will be erased.
  • Page 26: Headphone Playback Mode

    Headphone Warning Tones The 702T can generate an audible beep, or warning “bell”, in the headphones when an error has oc- curred. The specifi c error will be reported on the LCD. The output level of the warning bell is menu- selectable from off to –12 dBFS in the Setup Menu.
  • Page 27: Meter Ballistics

    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 702T. In VU mode, the front panel meter labeling is in volume units.
  • Page 28: Tone Oscillator

    702T User Guide and Technical Information Input Peak The 702T 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. These LED’s also function as...
  • Page 29: Lcd Gain Display

    All fi les generated by the 702T 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 simplifi es synchronization in post-pro- duction.
  • Page 30: Frame Rate

    Sound Devices Wave Agent Beta for Mac OS and Windows computers allows users to change the Frame Per Second Stamp of any fi le. This is useful when the wrong Frame Rate was selected at the time of re- cording.
  • Page 31: Time Code Modes

    “jamming value” in the jam menu. Record Run The time code generator runs only when the 702T is recording. Time code in this mode defaults to 00:00:00:00 at power-up. When switching to record run from another mode, the internal generator will stop at the last number generated.
  • Page 32: Time Code Hold Off

    When external code advances, the 702T enters record mode automatically. When the external code is stopped, the 702T generator pauses and recording is stopped. If the external time code is removed the internal generator continues to run to preserve continuous time code. Useful for time code transmission over RF where RF “hits”...
  • Page 33: Jam Menu

    LCD screen; the 702T internal generator, user bits, and frame rate are shown at the bottom of the screen. To jam the 702T from an external value, press soft button next to the jam button or the Rotary Switch button. The screen will display JAMMING. Once the 702T is jammed to the external time code, the external and internal numbers will match and run in sync.
  • Page 34: User Bits

    2 frames = 108 frames per hour. To sync the 702T to a video camera, fi rst determine if the camera is in drop frame or non-drop frame mode. If you, the DP or the producer are unsure about what setting to use, check with post-produc- tion, if possible.
  • Page 35: Recording

    Jam the camera from the 702T using a LEMO-5 to BNC adapter cable connected to the time code input on the video camera. Switch the camera to free run time code. The 702T time code should appear in the time code display on the camera.
  • Page 36: Pre-Record Buffer

    FAT corruption as well. Pre-Record Buffer To prevent missing record cues or up-cutting takes, the 702T has pre-record (or pre-roll) buffering available. When active, pre-record begins recording at a set number of seconds PRECEDING the record button being pressed.
  • Page 37: Record Timer

    AutoPlay The 702T can be set to play back all valid sound fi les in a folder. Files will play back in their order they were placed in the folder. Autoplay can be set with the following options: •...
  • Page 38: Audio File Formats

    The 702T will read fi les with the .BWF extension. .WAV The 702T has two fi le type options for recording WAV fi les, mono and poly. Select the fi le type in the Setup Menu option REC: FILE TYPE.
  • Page 39: .Mp2

    The 702T 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.
  • Page 40: Recording Time Calculation

    30.3 50.6 The chart above shows recording time available with the 702T. Time is expressed in hours per track (track-hours) at the specifi ed data rate supported by the 702T. If recording two tracks, divide the track hours fi gure by two. Similarly for four-track recording, divide track-hours by four. Note that the 702T supports additional sampling rate / bit depth combinations, however, only the most com- mon are included below.
  • Page 41: Mp3 Compressed Record Time In Hours

    1422 1185 The chart above shows fi le time available with the 702T with MP3 fi les. Time is expressed in hours at the specifi ed MP3 supported by the 702T. Note that all recordings are two-channel recordings. Compressed Audio...
  • Page 42: Scene Name/Numbering

    “-” or “T”. Take numbers can be overridden and a new take number can be set in the Setup Menu. If the 702T detects a fi le with a duplicate name in the destination folder, a letter suffi...
  • Page 43: Mono Track Name Designators

    Duplicate File Names When the 702T detects that a duplicate fi le name is going to be generated in a specifi c folder, the 702T changes the fi le name by adding of a letter suffi x before the extension. For instance, if take numbers are reset but fi...
  • Page 44: File Management

    Folder, a Daily Folder, or a Scene Folder. Folder Actions All fi les generated by the 702T can be saved to the Root directory, a Project Folder, a Daily (Roll) Folder, or a Scene Folder (Files are saved to the Root directory by default). File organiza- tion is managed in the Setup Menu option FILE: FOLDER OPTIONS.
  • Page 45: File Finder Navigation

    HDD button. By default the folder with the last recorded or played audio fi le will be opened. The 702T knows this fi le name by reading a text fi le, named SDINFO.TXT, which is written to each time the unit records or plays.
  • Page 46: File Time And Date

    FAT32 has a maximum individual fi le size limitation of 4 GB. While it is possible to have thousands of fi les on the 702T CF card, the largest any single fi le may be is 4 GB. The 702T automatically splits audio fi...
  • Page 47: Setting/Clearing Flag Bits

    Error Conditions: If a fi le is to large for the destination medium, the 702T will give you the option to skip the it or can- cel copying. If an error occurs during fi le copying, the 702T will prompt to cancel the transfer. When...
  • Page 48: File Deletion

    702T User Guide and Technical Information File Deletion Any fi le or folder on either CompactFlash or external FireWire drive can be deleted. Permanently deleting fi les is a two-step process. Similar to Mac OS and Windows operating systems, the 7-Series uses a “trash”...
  • Page 49: Take Number Increments

    Take Status Takes recorded by the 702T can be marked as Circled or as No Good. Take Status is used to mark the quality 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.
  • Page 50: Compactflash Recording Media

    Press the soft Circle (Menu) key to mark the take as Circled or press the soft No Good (HDD) key to mark the take as No Good. The check mark appears in the selected box and the 702T automatically returns to the Main Display.
  • Page 51: Formatting

    The 702T can format and use Compact Flash cards with a minimum capacity of 64 MB. There is no prac- tical limit to the maximum Compact Flash card capacity (2 TB).
  • Page 52: Qualifi Ed Cf Cards

    Lexar Media, SanDisk, and Kingston Technolo- gy—cards in capacities from 128 MB and above will successfully operate in the 702T. The unit will support up to 2 TB of data. Small capacity cards may not format as FAT32 and may not be usable.
  • Page 53: Firewire Bus Powering

    702T User Guide and Technical Information After recording to an external drive has stopped, it may take several seconds for the 702T to fi nish “housekeeping” on drive. This is especially true when recording to DVD-RAM disks, which generally have slower throughput than hard drives. When preparing to disconnect a FireWire drive, always observe the amber activity LED labeled EXT.
  • Page 54: File Transfer - Firewire

    The 702T’s FireWire (IEEE-1394) port makes transfer of recorded fi les to a computer quick and easy. When connected, the CompactFlash card of the 702T will mount to a Mac OS X or Windows comput- er as a local, removable mass storage devices. Using Mac Finder, Windows Explorer, or any other fi le utility, fi...
  • Page 55: Powering

    In Windows, right-click the drive icon and select “eject.” The cable between the computer and 702T can now be disconnected. If a future connection is going to be made the cable can be left connected.
  • Page 56: Time Code Clock Battery

    DC source the power LED and battery voltage display fl ashes, to alert the user. When the external DC reaches 9 volts, the 702T will automatically switch over to the removable battery. If no battery is installed the unit will shut down.
  • Page 57: Power-Up Messages

    The best determination of your run time is to experiment with a given record- ing setup. The 702T power consumption varies over a range between 4 W to 20 W (12 volts), depending on ac- tive functions. The following functions have the most signifi cant affect on power consumption: Inputs Active analog inputs increase power consumption.
  • Page 58: Firmware Upgrades

    Transfer the fi rmware fi le (it will be named VERSION _ NUMBER.PRG) to a CompactFlash card in the 702T via FireWire. If there are multiple fi rmware fi les on the media, the 702T will indicate the fi rmware fi...
  • Page 59: Cl-1 Remote Control And Keyboard Interface

    PS/2 compliant computer keyboards and enables external devices to control the 702T. When using the CL-1, front panel controls and menu selections on the 702T can be mapped to keyboard shortcuts, allowing for full keyboard control of the recorder. Additionally the CL-1 has contact closures for programming remote inputs or outputs.
  • Page 60 Goes to the end of the string being edited Assignable Shortcuts Keyboard shortcuts can be programmed to control nearly every function on the 702T. Shortcuts can select and change menu items with a simple key strokes. Combinations of computer keyboard func- tion keys, along with Control-, Alt-, and Shift- can also be programmed.
  • Page 61: Logic Inputs And Outputs

    702T User Guide and Technical Information Select an unassigned shortcut number for programming. If a duplicate key sequence is selected the low- est shortcut number action takes place. The example below shows the F1 key being reprogrammed. After selecting a key sequence select the desired Setup Menu item or action. The example below shows the reprogramming of the F1 key to change the sampling rate to 48048.
  • Page 62: Logic Inputs

    The 702T has four built-in presets and one user preset per media. Built-In Presets The 702T is shipped from the factory with the factory preset applied. Its settings are listed below. Three additional presets, fi lm, reporter, and music presets allow for quick setup of typical param- eters for the defi...
  • Page 63 702T User Guide and Technical Information Film Reporter Music 702T Presets Factory Preset Preset Preset Preset Rec: Timer Start Disabled Disabled Disabled Disabled Rec: Timer Stop Disabled Disabled Disabled Disabled Rec: Record Indicator Normal Numbers Normal Numbers Normal Numbers Normal Numbers...
  • Page 64: User Setup Data File

    All of the set parameters in the table above can be saved to a date fi le on the CompactFlash card. By entering the Get/Save Setup Menu, the user can save or restore parameters to and from this data fi le. This binary fi le is named 702T.SUP and is saved in the SOUNDDEV folder on the CompactFlash card v. 2.66...
  • Page 65: Setup Menu

    702T User Guide and Technical Information Setup Menu The chart below describes the available setting for the 702T. Setup Name Setup Description Setup Options Quick Setup Allows the user to quickly apply default menu • Load Factory Settings setups and save/retrieve user setups to disk - restores the factory default settings or CF.
  • Page 66: Setup Options

    Setup Name Setup Description Setup Options Rec: Pre-Roll Time Selects the amount of pre-roll time the 702T 0–10 sec. @ 48 kHz will add to the beginning of each file. 0–5 sec. @ 88.2–96.096 kHz 0–2 sec. @ >96.096–192 kHz...
  • Page 67 File: Max Size Selects the file size where the 702T will close, • 4 GB CF (3.6 GB) then start a new file. The 702T will not record • 2 GB CF (1.8 GB) a file larger than the selected size.
  • Page 68 Time Code: Hold Off Sets the duration that a valid time code signal 0.0 to 8.0 seconds adjustable in increments of .1 has to be recognized by the 702T before seconds generating a new take while in Ext TC-Auto Record and Ext TC/cont-Auto Record modes.
  • Page 69 Selects the date syntax of the recorder. • mm/dd/yy • dd/mm/yy Time/Date: Set Sets the internal date and time of the 702T. <time, date> Resetting the time re-jams the internal time Clock is not set until <done> is selected code generator to the set time. Setting the internal clock during a production day will require time code devices to be re-jammed.
  • Page 70 702T User Guide and Technical Information Setup Name Setup Description Setup Options HP: Monitor Modes Select the sequence of the modes that appear Up to 20 source selections can be entered in any in the Headphone Source Display on the LCD.
  • Page 71: Setup Menu Shortcuts

    • German • French CL-1: Re-program The CL-1 has its own firmware which is sup- plied from the 702T. This utility updates the CL-1 firmware. CL-1: Logic Out Assign Each logic output pin can be assigned to go • Undefined high when the unit is in the selected mode.
  • Page 72: Front Panel Button Shortcuts

    Jam Menu Menu and HDD Enters the time code jam menu. (702T &744T Only) Button Lock Backlight and Tone Press backlight then tone to lock all front panel buttons except for Record, Stop and Play.
  • Page 73: Connector Pin Assignments

    702T User Guide and Technical Information Connector Pin Assignments Each connector type, electrical characteristics, and pin assignment is shown below. Connector Pin Assignments Notes 1 – ground 7.5k ohm input impedance, mic level (Analog Inputs) 2 – signal (+) 20k ohm input impedance, line level 3 –...
  • Page 74: Specifi Cations

    702T User Guide and Technical Information Specifi cations 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 32 bit, 192 dB dynamic range...
  • Page 75 702T User Guide and Technical Information Output Analog Line Output Clipping +20 dBu minimum, 10k ohm load Level Attenuation & 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;...
  • Page 76: Accessories

    Available accessories from Sound Devices include: CL-1 Remote Control and Keyboard Interface used to control the 702T’s record start and stop functions using a toggle switch. Allows user to connect a PS/2 keyboard for control and metadata entry.
  • Page 77 LCD glass from scratches and water. Kit of four covers. XL-LL 5-pin LEMO to 5-pin LEMO cable, used to connect the 702T time code circuit to Ambient time code sync boxes, slates, and controllers or to jam one 702T to another time code equipped 7-Series recorder; additionally used to jam Aaton cameras from the 702T, 20-inch coiled, 55-inch full extension..
  • Page 78: Ce Declaration Of Conformity

    CE Declaration of Conformity According to ISO/IEC Guide 22 Sound Devices, LLC 300 Wengel Drive Reedsburg, WI 53959 USA declares that the product, 702T and 702T Professional Digital Audio Recorders are in conformity with and passes: 89/336/EEC EMC Directive EN55103-1, 1997...
  • Page 79: Software License

    Sound Devices, LLC product, even if Sound Devices, LLC has been advised of the possibility of such damages.
  • Page 80: Warranty & Service

    Sound Devices cannot guarantee that a given computer, software, or operating system confi gura- tion can be used satisfactorily with the 702T based exclusively on the fact that it meets our minimum system requirements. Please check with your software editing application to make certain that it is compatible with the fi le type selected.
  • Page 81 702T User Guide and Technical Information...
  • Page 82 702T rev. 2.65 - Printed in U.S.A.

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