Sound Devices 702T User Manual And Technical Information
High resolution digital audio recorder with time code
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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. 2.48 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...
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Page 3: Table Of Contents
702T User Guide and Technical Information Table of Contents Quick Start Guide ....... . .3 .FLAC... - 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.
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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...
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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 LCD when the gain is External Digital Clock Indicator turned with digital inputs selected or Indicates that the 702T is locked to a with line inputs set for menu control. valid external AES or word clock source.
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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: Back Panel Descriptions
702T User Guide and Technical Information Back Panel Descriptions Security Slot Battery Mount Compatible with the Kensington ® Secu- Accepts Sony ® InfoLithium L- or M- rity Slot specifi cation. Useful for secur- Series removable batteries. Also accepts ing the recorder to a fi xed object with a batteries conforming to this mount. -
Page 16: 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 17 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 ( ).
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Page 18: Input Linking (Stereo Or Ms Decoding)
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 19: Signal Presence And Peak Indicator
LEDs illuminate when signal levels reach –3 dBFS or greater. Input Delay A digital delay is selectable on each channel of the 702T in one microsecond (µS) steps. 1,000 micro- seconds equals 1 millisecond (ms). The Rotary Switch and menu arrows are accelerated. The more you press or spin, the faster the delay setting will increment or decrement. -
Page 20: Routing
702T User Guide and Technical Information Routing Hold down the STOP button then press the INPUT button to cycle through the four preset input-to-track routing combinations. These presets are factory set and cannot be changed. The last three preset selections are CUSTOM ROUTE options. Press the EDIT soft button to enter the custom rout- ing menu. -
Page 21: Sampling Rate And Bit Depth
Sampling Rate and Bit Depth When recording the 702T generates uncompressed PCM audio WAV fi les in the Broadcast Wave File format at the user-selected sampling rate and bit depth. The 702T LCD calculates available recording time based on the sampling rate, bit depth, number of tracks armed for recording and the storage media’s available capacity. -
Page 22: 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 23: Link - Multi-Unit Linking
If the 702T is slaved to external word clock, be certain that the source is stable. Loss of the word clock signal during recording can cause the 702T to revert back to its internally set sampling frequency. If this occurs, the portion of the fi... -
Page 24: 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 25: 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 26: 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 27: 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 28: Output Meter
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 29: Peak Leds
702T User Guide and Technical Information Track Peak The 0 dBFS LED on each track can also function as a track peak indicator. The user can select a signal threshold above which the 0 dB LED will fl ash. Headphone Peak Like the channel peak LEDs, the headphone circuit has an indicator for peak overload. -
Page 30: Time Code
All fi les generated by the 702T have time code numbers begin on the :00 frame (or 02 in DF modes). If necessary, pre-roll is dynamically applied to accomplish this. This simplifi es synchronization in post- production. -
Page 31: Frame Rate
29.97ND, while the fi le is identifi ed as 30ND. 47.952kF mode is useful in applications where the 702T is recording in high-def environments with cameras at 23.97 and post production is using a straight 24 frame session. -
Page 32: Time Code Modes
702T User Guide and Technical Information 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 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
702T User Guide and Technical Information Recording The user interface of the 702T has been designed to be very similar to a “tape recorder”. Recording and playback functions are quite similar to that of tape-based machines. Recording The largest, most easily accessed control on the 702T is its record key. Recording takes priority over all activity except for disk formatting, disk speed tests, and fi... -
Page 36: Record Pause
702T User Guide and Technical Information Record Pause This allows a recording to be stopped then continued without creating a new take or fi le. Record Pause is useful for live music recording, reporter interviews, or any other application that can benefi t by stopping and starting recording without generating a new fi... -
Page 37: Playback
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: Flac
FLAC, in particular, offers data compression rates that range anywhere between 30% and 60%, depending on the audio program. Sound Devices also introduces Wave Agent (www.waveagent.com) a free Windows based software used to extract FLAC to WAV as well as combining monophonic fi... - Page 39 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.
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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: Take Numbers
“-” 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 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 45: 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 46: 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 the destination medium is full, the 702T will report the error and end the transfer. -
Page 47: 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 48: Take Number Increments
702T User Guide and Technical Information Take Number Increments To advance to a higher take number hold the STOP button and press FastForward. The fi le name to be recorded is indicated above the fi le time. Indicates Indicates next... -
Page 49: Compactflash Recording Media
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 50: Speed Testing
96 kHz. Media Repair Utility Included in the 702T Setup Menu is a basic media repair utility. This utility is similar to Windows “scandisk” with added capabilities specifi c to audio fi les. This utility can be run after improper media removal, or in the event of a fi... -
Page 51: Qualifi Ed Cf Cards
CompactFlash, substituting the external drive menu selection for the CF. 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. -
Page 52: Firewire Bus Powering
The six-pin FireWire port on the 702T provides power for bus-powered FireWire drives. The follow- ing conditions should be observed when connecting to bus-powered drives. • Bus powering a drive requires external DC powering of the 702T. The 702T cannot operate bus- powered drives from an attached Li-ion battery. -
Page 53: 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 54: Powering
702T User Guide and Technical Information To disconnect the 702T from FireWire: Make certain that any software applications referencing the 702T are closed and that all fi le copy func- tions to and from the 702T have been completed. In Mac OS X highlight the drive icon on the desktop and select -e to eject the volume. -
Page 55: Time Code Clock Battery
702T senses a low voltage condition from an external 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 56: Auto Functions With External Powering
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 57: 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 58: 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 59 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.
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Page 60: Logic Inputs And Outputs
702T User Guide and Technical Information 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. Specific Setup Menu options can... -
Page 61: Logic Inputs
The 702T has four built-in presets and unlimited user presets. 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 62 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 Keep Recording, to a new Keep Recording, to a new...
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Page 63: 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... -
Page 64: 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 65: 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 66 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 67 702T User Guide and Technical Information Setup Name Setup Description Setup Options Time Code: Mode Sets the mode for the time code generator • Off – time code not active, recorded or output • Free Run – time code is initialized from the jam...
- Page 68 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 69 702T User Guide and Technical Information Setup Name Setup Description Setup Options HP: Playback Mode Selects the audio source sent to headphones • No change upon playback. • Same as options listed above off, −60 to –12 dBFS in 1 dB steps...
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Page 70: 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 71: Front Panel Button Shortcuts
Tone will be active as long as the tone button is held. 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 72: 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 73 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;...
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Page 74: Dimensions And Weight
702T User Guide and Technical Information Environmental Operation and Storage ambient temperature 5–55° C, relative humidity (non-condensing) <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) -
Page 75: 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 76: Accessories
CS-442, CS-302, and CS4W mixer bags XL-1B • TA3F to TA3F cable, used to connect the line outputs of the 702T to other TA3 input sources. XL-2 (sold as pair) • TA3F to XLR-M cable, used for output connection from the master analog output XL-BNC •... -
Page 77: 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 78: Software License
Sound Devices, LLC product, even if Sound Devices, LLC has been advised of the possibility of such damages. -
Page 79: 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... - Page 80 702T rev. 2.48 - Printed in U.S.A.
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