Dolby Laboratories, Inc.
Contents
1. DD Bitstrm Mode A typical example is shown for the Dolby Digital Bitstream Mode display DD Bitstrm Mode Main Complete Main Complete Main M amp E Assc Visual Imp Assc Dialogue Assc Commentary Assc Emergency Assc Voice Over Main Sv Karaoke N A N A indicates that a Dolby Digital input is not present or the DM100 decode format is not Dolby Digital 3 16 DM100 User s Manual Operation Status Mode DD Line Mode Pro DD RF Mode Pro The Dolby Digital Line Mode and RF Mode Profile parameters give the same display style A typical example is shown for the RF Mode Profile display DD RF Mode Pro xx dB a ee If compre or dynrnge 0 xx dB the level displayed is 0 I If compre or dynrnge 1 The level displayed is the Fress ENTER to toggle between a numeric decoded compr or dynrng value display and a bar graph from the metadata level display Rf 48 dB 0 48 dB Line 24 dB 0 24 dB DD Center Dwnmx A typical example is shown for the Dolby Digital Center Downmix display DD Center Dwnmx 0 707 3 0 dB 0 707 3 0 dB 0 596 4 5 dB 0 500 6 0 dB kkkkkkkkkkkkkkx k Not Active N A 3 17 DM100 User s Manual Operation Status Mode DD Srnd Dwnmx A typical example is shown for the Dolby Digital Surround Downmix display DD Srnd Dwnmx 0 707 3 0 dB 0 72. which stores the first characters in the description text field for that program The display scrolls through the text automatically if the string is greater than 16 characters Px Dialogue Lev A typical example is shown for the Dolby E Dialogue Normalization display P2 Dialogue Lev 27 dB kkk kkk kkk RAR 1 dB 2 dB 3 dB 31 dB N A 3 7 DM100 User s Manual Operation Status Mode Px Channel Mode A typical example is shown for the Dolby E Channel Mode display P2 Channel Mode 2 0 Stereo 1 1 1 0 Mono 2 0 Stereo 3 0 2 1 3 1 2 2 3 2 N A Px LFE Channel P2 LFE Channel Disabled Disabled Enabled N A Px Bitstrm Mode A typical example is shown for the Dolby E Bitstream Mode display Te Bitstrm Mode j Main Complete Main Complete Main M amp E Assc Visual Imp Assc Hear Imp Assc Dialogue Assc Commentary Assc Emergency Assc Voice Over Main Sv Karaoke N A 3 8 DM100 User s Manual Operation Status Mode Px Line Mode Pro Px RF Mode Pro The Dolby E Line Mode and RF Mode Profile program parameters display the same second line display A typical example is shown for the RF Mode Profile display P2 RF Mode Pro Music Standard If actual dynamic range If dynamic range control control data is present prese
3. Status Mode Px Begin Gain ENTER to view Px DC Filter P2 Lowpass Filt Px Lowpass Filt Disabled Px LFE Filter Px Srnd 3dB Attn Disabled Enabled Px Srnd Ph Shift N A When any of these Dolby E metadata program is selected the DM100 displays the same information as shown in the example A typical example is shown for the Dolby E Lowpass Filter display Px Begin Gain Px End Gain A typical example is shown for the Dolby E Begin Gain and End Gain display P2 LFE Begin Gain 12 34 dB On Programs 1 2 3 4 Px L Bgn Gain l Gain yy yy dB Down l inf On Programs 1 8 Px C Bon Gain N A Down l On Program 1 Px Ls Bgn Gain N A indicates Dolby E input is not aM present or DM100 decode format is not Iom Dolby E On Programs 1 2 3 4 Px R Bgn Gain 7 Down i On Program 1 Px LFE Bgn Gain E Down l On Program 1 Px Rs Bgn Gain Down l On Programs 1 2 Px S Bgn Gain 3 13 DM100 User s Manual Operation Status Mode 3 2 2 Dolby Digital Metadata Input Menu After pressing ENTER to select this function press the Down or Up button to select the parameter you wish to display Dolby Digital MD ENTER to View DD Dialogue Lev Down DD Channel Mode Channel DD Data Rate Down DD Bitstrm Mode Mode Pro DD RF Mode Pro Down
4. __ENTER to View Down Dolby Digital MD Dolby Digital metadata menu ENTER to View Down AES3 Status AES3 status menu ENTER to View Down Input Level Input level menu NTER to View el Down Generator ENTER to View Down l Bitstream generator status display Video Ref S A 29 97 fps Video reference display Down Timecode Dly Timecode Delay display 00 00 00 00 N A Down l Error Stats ENTER to View Down Firmware Version 1 0 0 0 Error status menu DM100 firmware version 3 5 DM100 User s Manual Operation Status Mode 3 2 1 Dolby E Metadata Input Menu After pressing ENTER to view this menu press the Down or Up button to select the submenu options you wish to display GI Dolby E MD l ENTER to view gt ENTER to View ra Down Dolby E Prog 1 See page 3 2 for the list of possible DE Prog Config DE Guard Band 3 S ENTER to View program configurations displayed Down I Dolby E Prog 2 8 23 98 fps depending on Dolby E 24 fps program configuration 25 fps Pau a Doll 29 97 fps NTSC DE Bit Depth 30 fps 16 20 or 24Bit 50 fps Down 59 94 fps DE Frame Rate 60 fps 29 97 fps KRKKKKKKKKKKKKKKK A ol Down N A 500 Lines The number of video lines between the video reference frame boundary and the Dolby E frame boundary xxx Li
5. for the Dolby E Room Type display P2 Room Type 80 dB v Not Indicated Large Small kkkkkkkkkkkkkkkxk Does Not Exist N A Px Copyright Px Orig Bitstrm A typical example is shown for the Dolby E Copyright display The Original Bitstream program parameters displays the same second line P2 Copyright No y No Yes N A DM100 User s Manual Operation Status Mode Px Extnd Bitstrm A typical example is shown for the Extended Bitstream metadata display Other possibilities are shown Dolby E Preferred Downmix Status Dolby E Downmix Level Status Dolby E Surround EX Status Dolby E A D Converter Type Px Extnd Bitstrm ENTER to view P2 Pref Dwnmx l Not Indicated Lt Rt Lo Ro L Pref Dwnmx KKKKKKKKKKKKKKkKkk k Down Does Not Exist Lt Rt C Dwnmx N A 1 414 43 0 dB 1 189 41 5 dB 1 000 0 0 dB 0 841 1 5 dB 0 707 3 0 dB 0 595 4 6 dB 0 500 6 0 dB 0 999 dB Lo Not Active Does Not Exist Down N A Px Dolby Srnd EX A E Not Indicated Not Srnd EX Down l Dolby Srnd EX kkkkkkkkkkkkkkkx k E A D Conv Type Not Active Does Not Exist N A Standard HDCD Does Not Exist N A 3 12 DM100 User s Manual Operation
6. 0 kHz 0 25 dB Distortion lt 0 01 at 1 kHz lt 0 02 20 Hz 20 kHz Dynamic Range gt 100 dB Digital Audio Inputs AES EBU via XLR female connector 110Q AES3ID 1995 SMPTE 276M via BNC connector 75Q Fiber optic via Toslink connector Input word lengths up to 24 bits Supported digital bitstreams 16 and 32 bit Dolby Digital Consumer Dolby Digital 16 20 and 24 bit Dolby E Non audio AES3 Reference Video Input Analog composite NTSC or PAL black burst video reference 1V p p via RCA connector 75Q internally terminated Digital Audio Outputs AES EBU via XLR female connector 110Q AES3ID 1995 SMPTE 276M via BNC connector 75Q Fiber optic via Toslink connector Output word lengths up to 24 bits Serial Input Output Port 8 pin female mini DIN RS 232 5 5 Headphone Output 5 8 dBu max adjustable into 600Q 1 8 inch standard stereo headphone jack Case ABS plastic hand held enclosure Dimensions and Weight 100 x 200 x 41mm 4 x 7 9 x 1 6 inches Net 0 68 kg 1 5 Ib Environmental Conditions Operating 0 to 50 C 32 to 122 F 0 98 relative humidity non condensing Non operating 20 to 70 C 68 to 158 F Power Requirements External 6 VDC 800 mA or four internal 1 5 V AA batteries Typical battery life 4 hours continuous use Supplied Accessories User s manual Warranty card Carrying case Batteries External DC power adapter BNC F to RCA M adapt
7. 07 3 0 dB 0 500 6 0 dB 0 999 dB kkkkkkkkkkkkkkx k Not Active N A DD Dolby Srnd A typical example is shown for the Dolby Digital Dolby Surround Mode display DD Dolby Srnd Not Indicated Not Indicated Not Dolby Srnd Dolby Srnd kkkkkkkkkkkkkxkx k Not Active N A DD Mixing Level A typical example is shown for the Dolby Digital Mixing Level status display DD Mixing Level 80 dB 81 dB 82 dB 111 dB Does Not Exist N A 3 18 DM100 User s Manual Operation Status Mode DD Room Type A typical example is shown for the Dolby Digital Room Type display DD Room Type Large Not Indicated Large Small kkkkkkkkkkkkkzk Does Not Exist N A DD Copyright DD Orig Bitstrm A typical example is shown for the Dolby Copyright status display The Original Bitstream program parameters displays the same second line DD Copyright Yes Yes N A 3 19 DM100 User s Manual Operation Status Mode DD Extnd Bitstrm A typical example is shown for the Extended Bitstream information display Other possibilities are shown j Px Extnd Bitstrm BEER ENTER to view DD Pref Dwnmx i SEN Lt Rt Not Indicated LtRt DD P
8. DD Center Dwnmx d Dwnmx Dp Dolby Srnd DD Mixing Level Down E DD Room Type Down DD Copyright l Down Down DD Extnd Bitstrm Down DD Dual Mono MD Down DD Format Down DD Sample Rate Down l l po Orig Bitstrm DD Bitstream ID Down DD Stream Each Dolby Digital metadata parameter display is described in the following manual sections 3 14 DM100 User s Manual Operation Status Mode DD Dialogue Lev A typical example is shown for the Dolby Digital Dialogue Normalization Status display DD Dialogue Lev 27 dB FOR KR RK 1 dB 2 dB 3 dB 31 dB N A DD Channel Mode A typical example is shown for the Dolby Digital Channel Mode display DD Channel Mode 2 0 Stereo 1 1 1 0 Mono 2 0 Stereo 3 0 2 1 3 1 2 2 3 2 N A DD LFE Channel A typical example is shown for the Dolby Digital LFE Status display DD LFE Channel Disabled Disabled Enabled N A 3 15 DM100 User s Manual Operation Status Mode DD Data Rate A typical example is shown for the Dolby Digital Data Rate display DD Data Rate 448 kbps 56 kbps 64 kbps 80 kbps 96 kbps 112 kbps 128 kbps 160 kbps 192 kbps 224 kbps 256 kbps 320 kbps 384 kbps 448 kbps 512 kbps 576 kbps 640 kbps N A
9. DM100 User s Manual Dolby Laboratories Inc Corporate Headquarters Dolby Laboratories Inc 100 Potrero Avenue San Francisco CA 94103 4813 Telephone 415 558 0200 Facsimile 415 863 1373 www dolby com European Headquarters Dolby Laboratories Wootton Bassett Wiltshire SN4 8QJ England Telephone 44 1793 842100 Facsimile 44 1793 842101 DISCLAIMER OF WARRANTIES Equipment manufactured by Dolby Laboratories is warranted against defects in materials and workmanship for a period of one year from the date of purchase All warranties conditions or other terms implied by statute are excluded to the fullest extent allowed by law LIMITATION OF LIABILITY It is understood and agreed that Dolby Laboratories liability whether in contract in tort under any warranty in negligence or otherwise shall not exceed the cost of repair or replacement of the defective components and under no circumstances shall Dolby Laboratories be liable for incidental special direct indirect or consequential damages including but not limited to damage to software or recorded audio or visual material or loss of use revenue or profit even if Dolby Laboratories or its agents have been advised orally or in writing of the possibility of such damages Dolby the double D symbol AC 3 and Surround EX are trademarks of Dolby Laboratories Toslink is a trademark of Toshiba Corporation Windows is a trademark of Microsoft Corporation 2000 Dolby Labora
10. Mode Pro 3 9 Px RF OV Protect c cccccceceesesssseeeeeeeeeees 3 9 Px Center Dwnmz sseeesseeseseeseereesesesesssesesrsrs 3 10 Px Sind DWnmk rarei ei 3 10 Ree EE 3 10 Px Mixing Level coincidan 3 11 Px Room Type iii 3 11 Px Copyright c sini teeing kanes 3 11 Px Orig Besten eege dut 3 11 Px Extnd Btstm sorrorreiinehninn 3 12 PXDE PU re tree a eee 3 13 Px Lowpass Filt 3 13 PX LFE Filter iii 3 13 Px Srnd 3dB Am 3 13 Px Sind Ph Shift ep des ree Ae ode 3 13 Px Begin Mt ententes 3 13 PX End Gramm deene eeh AA 3 13 DM100 User s Manual 3 2 2 3 2 3 3 2 4 3 2 5 3 2 6 3 2 7 3 2 8 3 2 9 Dolby Digital Metadata Input Menu 3 14 DD Dialogue Lex 3 15 DD Channel Mode 3 15 DD FE Channel s sers 3 15 DD Data Rate 3 16 DD Bitstrm Mode 3 16 DD Line Mode Dro 3 17 DD RF Mode Pro 3 17 DD Center Dwnmz cooocccnocccnononinnnccnnnconancninnnos 3 17 DD Srnd DWAMX verecundia 3 18 DD Dolby Sr colision siciiiat s 3 18 DD Mixing Level 3 18 DD Room Type 3 19 DD Copyright ee 3 19 DD Orig Bitstrm ioniene 3 19 DD Extnd Bitstrm 3 20 DD Dual Mono MD 3 21 DD Format 55e dis 3 22 DD Sample Rate 3 22 DD Bitstream ID 3 22 DD e EE 3 23 AES3 Status Men 3 24 Input Level Men 3 25 Generator Status Display 3 26 Video Reference Status Disp
11. NTER to toggle level displayed will be 0 between a numeric display and a bar graph level display ap an RF 48 dB 0 48 dB Line 24 dB 0 24 dB 3 21 DM100 User s Manual Operation Status Mode DD Format A typical example is shown for the Dolby Digital Format status display DD Format Pro 32 bit Pro 32 bit Pro 16 bit Ch1 Pro 16 bit Ch2 Pro 16 bit Ch1 amp 2 Consumer N A DD Sample Rate A typical example is shown for the Dolby Digital Sample Rate status display DD Sample Rate 48 kHz 44 1 kHz 32 kHz N A DD Bitstream ID A typical example is shown for the Dolby Digital Bitstream ID status display DD Bitstream ID 8 ml 3 22 DM100 User s Manual Operation Status Mode DD Stream A typical example is shown for the Dolby Digital Stream Number status display DD Stream 0 3 23 DM100 User s Manual Operation Status Mode 3 2 3 AES3 Status Menu After pressing ENTER to select this menu press the Down or Up button to select the AES3 parameter you wish to display A typical example screen is shown AES3 Status ENTER to view LES AES3 Mode Professional SR na Consumer oa Professional AES3 Mode N A Down Audio Audio Mode Non Audio N A Down l Emphasis Not Indicated Reserved 1 Down
12. Number 70218 Toslink Cable r Adapter rt Numbers 54065 USA 54066 UK 54067 Europe 54068 Australia 2 6 DM100 User s Manual Getting Started 2 6 Quick Start The DM100 is designed to be quick and intuitive to use Follow these simple procedures to begin taking your first readings and generating your first test streams Making Your First Reading 1 Power up the unit 2 Connect the input signal to the appropriate connector 3 Press MON This resets all the internal monitoring setup functions to the defaults The LEDs should display the signal type received and the display will show information about the incoming signal If you cannot see this information press STATUS then use ENTER ESC and the Up Down buttons to navigate through the status menus in order to view information about the incoming signal See section 3 2 Adjust the audio level with the dedicated Volume buttons Generating a Bitstream 1 Press GEN once This will turn the generator on and output a PCM test signal 2 To select other test streams continue to press GEN Different clock sources can be used for the generator these can be set in the 1 O Control Gen Clock Source setup menu See section 4 5 To read the current status of the generator press STATUS and navigate using the Down button until Generator ENTER to View is displayed Press ENTER to see the current settings See section 3 2 5 Yo
13. Reserved 2 Reserved 3 Freq Mode No Emphasis Reserved 5 Down l 50 15 us Emph J 17 Emph Sample Freq N A Locked Unlocked N A Not Indicated 48 kHz 44 1 kHz 32 kHz N A 3 24 DM100 User s Manual Operation Status Mode 3 2 4 Input Level Menu Press ENTER to display Input Level status The display combinations are shown below A typical example screen is shown Input is Dolby E DE Input is Dolby Digital DD Inputis PCM PCM No input or channel not blank present in input bitstream Chil 8 Input Level L__ENTER to view rk 10 dB o ems dB Peak Press ENTER to toggle between numeric display and a bargraph RMS level display WE CU a lt gt 90 dB RMS level 0 dB Digital Full Scale Prog 1 8 Displays program number if the input bitstream is Dolby E Blank Input not Dolby E Ch1 DE Prog 1 L 6 dB Left Front L Right Front R Center Low Frequency Effects LFE Left Surround Ls Right Surround Rs Mono Surround S Ch lof a 1 1 stream C1 Ch 2of a 1 1 stream C2 Channel not present in Blank input bitstream 3 25 DM100 User s Manual Operation Status Mode 3 2 5 Generator Status Display Press ENTER to display Generator status The po
14. Status information can be transferred from the DM100 via a terminal program The status information is transmitted in the form of text messages that can be read on the terminal display e Firmware upgrades Test Bitstream Loading Test bitstream loading is accomplished using the Gen Control setup menu Press the SETUP button then use the down button to step to the Gen Control menu See section 4 2 The table at the end of this section lists possible error messages Data Logging This function can be used for long term data recording Any standard terminal program may be used on the computer The logged data is the in the form time parameter and value The logged time is the elapsed time since the DM100 was last switched on A fixed set of parameters is always logged input format errors etc One additional parameter may be logged by navigating to the status screen that contains that parameter First set the baud rate you wish to use via the System Settings menu Press the SETUP button then use the Down button to step to the System Settings menu Press ENTER and select the desired baud rate with the Up Down buttons Press ENTER to save Next to initiate logging Press the SETUP button again then use the down button to step to the I O Control menu Press 5 1 DM100 User s Manual Reference Information ENTER then use the down button to step to Logging Output Press ENTER then use the down button
15. ata as carried within the Dolby E bitstream derived from the metadata 00 00 00 00 N A The display shown above occurs under any of the following conditions e A Dolby E or Dolby Digital bitstream is not being decoded this includes selecting the PCM portion of a 16 bit Dolby Digital PCM stream e The current Dolby E timecode field is set to invalid or the Dolby Digital bitstream does not contain timecode DM100 User s Manual Operation Status Mode 3 2 8 3 2 9 Error Statistics Menu After pressing ENTER to select the Error Statistics menu press the Down or Up button to select the error screen for each format A typical example screen is shown The display is a running count of a particular error Error counts over 99 will display as 99 Press ENTER to reset a displayed error count to 00 Error Stats ENTER to view l Dolby E Errors l CRC 04 CRC xx Down Dolby D Errors CRC xx Down AES3 Errors 1 Parity Code Confidence P aa CD bb CF cc Down AES3 Errors 2 Professional Channel Status CRC CCRC dd DM100 Firmware Version This last Status menu item displays the version of the firmware currently installed in your DM100 Firmware Version j 1 0 0 0 Pressing DOWN ESC or STATUS returns the display to the top level Main Status screen Dolby E Errors 3 28 DM100 User s Manual Chapter 4 Operatio
16. ed 1 3 E Down l Not Indicated Sample Freq Pass Through Down I Unlocked Pass Through All Locked ENTER Yes ESC No Pass Through 32 kHz 44 1 kHz 48 kHz Not Indicated 4 6 DM100 User s Manual Operation Setup Mode 4 4 User Presets Up to four user presets can be saved named and recalled These presets contain a copy of the DM100 setup information After selecting preset number using Up Down buttons press ENTER to move to the editing SOISED eeh User Presets Recall Presets 01 lt name 1 gt Recall Preset 02 lt name 2 gt 03 lt name 3 gt e 04 lt name 4 gt Save Preset e 02 03 04 xx is the preset number Press the j Enter xx Name Up or Down buttons to move name through the alphabet Press ENTER to select the character and move to next position Use ESC to make any corrections After 12 characters including Save Settings spaces have been entered the ENTER Yes ESC No preset and name can be saved DM100 User s Manual Operation Setup Mode 4 5 I O Control The I O control menu configures the physical input and output connections of the DM100 Input Select allows the user to choose a specific physical input rather than the default of Autodetect Gen Clock Source chooses the reference signal for the generator If the unit is set to Digital Input but one is u
17. er for video reference input RCA F to BNC M adapters for the two audio inputs RS 232 serial data cable Regulatory Notices North America This unit complies with the limits for a Class A digital device pursuant to Part 15 of the FCC rules and Industry Canada ICES 003 regulations Europe This unit complies with the requirements of EMC Directive 89 336 EEC Reference Information DM100 User s Manual Joyesds Gust AUIISOL e souoydpesy usa g O HIN s L nA X ONg O 2 D E 2 o Kal v 5 5 say ped sy pue 491 jeued U014 10SS9901d 19119994 eubis eba Sav deyiwsuel S2v E AUIISO L SOUS OEP uolyesaueb 49019 PH A E
18. from the external power supply the Power Management setting is ignored and the unit remains switched on The LCD backlight and keypad backlights are also enabled overriding the LCD Backlight setting See section 4 6 Rear Belt Clip Stand The pull out clip on the rear of the DM100 can be used as a handy belt clip or a stand Raise the clip by following these two steps 1 Lift to Release 2 Pull 2 3 DM100 User s Manual Getting Started 2 3 Inputs Each input connector XLR BNC or Toslink is active when specifically selected or if the input selection is set to autodetect the first input with a valid AES3 signal will become the active input See section 4 5 for setting the input select function See the specifications at the back of this manual for details on supported sample rates impedances etc The Digital input format can be Dolby Digital Dolby E or PCM Dolby Digital The DM100 accepts 16 and 32 bit Dolby Digital bitstreams It also accepts AES3 data that contains multiple Dolby Digital bitstreams 1 e one 16 bit mode bitstream in each AES3 channel Dolby E The DM100 accepts 16 20 and 24 bit Dolby E bitstreams at NTSC 27 97 Hz and PAL 25 Hz rates PCM If the input signal does not contain a header indicating that a pre encoded bitstream is being received the DM100 assumes the input signal is PCM audio Other The DM100 also accepts other non audio data over AES3 In
19. iest compression and Custom the lightest DD compression can be useful when listening in a noisy environment 4 2 DM100 User s Manual Operation Setup Mode Monitor Control Decode Format Autodetect Decode Format Dolby E Dolby Digital Down l PCM P Output Ch Map L Lo R Ro Lech Lt R Rt Down L L R R Dolby E Prog Sel L C R C Down l Ls R Rs DE Dialogue Lev L LFE R LFE Program 1 Program 8 2 Down DD Stream Select Enabled s Disabled a Down AES3 Ch Select Autodetect Stream 0 7 Down l Autodetect DD Compression Channel 1 Channel 2 Down Channel 1 2 Headphone Mode Line Mode RF Mode Custom Stereo Mono DM100 User s Manual Operation Setup Mode 4 2 Gen Control The Gen Control menu contains all of the settings for the bitstream generator Output Mode switches the generator on or off either passing through the input signal to the output connectors or connecting the generated signal to the output connectors Gen Stream Sel selects the generator output stream from a list of Dolby E Dolby Digital and PCM streams There is a whole host of settings for the PCM generator signal allowing sine square sweep and pink or white noise signals to be created DE Offset allows the Dolby E bitstrea
20. lay 3 26 Timecode Status Display 00 0 eee eee 3 27 Error Statistics Menu 3 28 DM100 Firmware Version 3 28 DM100 User s Manual Chapter 4 Operation Setup Mode The Setup Meng eu rats 4 1 4 1 Monitor Control ss 4 2 4 2 Gen Controla ii 4 4 4 3 AESI Outp t ninia n 4 6 DE 4 7 4 3 Mr onmok Sa deel 4 8 4 6 System Settings 4 9 Chapter 5 Reference Information SA Data RE 5 1 Test Bitstream Loading 5 1 Data Logging 5 1 Firmware Upgrade 5 2 Data Transfer Error Messages 00 5 2 5 2 Umt Reset nein aie See iin oe ieee ness 5 3 Restore Default Settings 5 3 Hardware Reset 5 3 5 3 Connector Pinout Information ee eeeeeneees 5 4 RS2232 Serial e E 5 4 5 32 KER Connector Scooter 5 4 5 3 3 Headphone Connector 5 4 5 4 DM100 Specifications sseeeeseeeeeseeeeesereresresresreee 5 5 5 5 System Block Diagram 5 5 1 1 DM100 User s Manual Chapter 1 Introduction About the DM100 The Dolby DM100 is a hand held diagnostic tool that can monitor or generate Dolby Digital Dolby E and PCM bitstreams The unit allows audio systems integrators and service engineers to quickly test the integrity and composition of these signals throughout a facility The DM100 is intended for use in broadcast cable DBS and post production facilities a
21. m to be placed a number of lines away from the video sync point a valid video reference input is needed for this function DD Ch Mode chooses where to place a Dolby Digital stream in the output AES3 stream Channel 1 2 is the usual setting New bitstreams may be uploaded to the DM100 using the Upload Bitstream function To load and store new streams connect a Windows PC to the DM100 using the supplied cable The baud rate is fixed at 115 2 kbps Activate the Upload Bitstream function on the DM100 and follow the prompts on the PC software supplied During the upload the DM100 display will show progress When complete the DM100 will reboot 4 4 DM100 User s Manual Operation Setup Mode Gen Control Output Mode Output Mode Pass Through Generator Down Gen Stream Sel PCM Lp DE stream names DD stream names Doml PCM Waveform When generating PCM Sine stream Square Down Freq Sweep PCM Frequency When generating PCM Silence 1000 Hz Sine or Square stream Pink Noise White Noise Channel Both Left Right Down When generating PCM stream Use Up Down buttons to step frequency SHIFT toggles between 10 Hz and 1 kHz steps ENTER selects When generating PCM Freq Sweep CM Sweep 16000 Hz Down PCM Sweep Time 1 to 10 seconds Use Up Down buttons 5 sec Down l PCM Amplitude When generating PCM 60 t
22. n Setup Mode Pressing SETUP switches the DM100 into Setup mode Use this function to configure your DM100 All setup settings are saved when the unit is turned off The settings shown in bold are the factory defaults The Setup Menus DM100 Main Setup Monitor Control Monitor Control Down l Gen Control Down l ass Output d Down l User Presets Down l 170 Control Down l system Settings The following pages show the setup selections available for each of the menu choices 4 1 DM100 User s Manual Operation Setup Mode 4 1 Monitor Control The Monitor Control menu contains all of the functions that control the audio output of the DM100 Decode Format chooses the type of bitstream the DM100 will decode This will normally be set to Autodetect however it is possible to force the DM100 to decode only one stream type if required Output Ch Map chooses which audio channels or downmix Lt Rt or Lo Ro are output from the headphone or speaker Dolby E Prog Sel selects one of the available programs in a Dolby E stream for monitoring DE Dialogue Lev applies the metadata parameter Dialogue Level or dialnorm to the audio output of a Dolby E stream DD Stream Select and AES3 Ch Select choose which signal from a multiplexed Dolby Digital bitstream will be decoded DD Compression applies Dolby Digital dynamic range control data to the audio output RF is the heav
23. navailable it will default automatically to the internal 48 kHz clock DAC on Non Audio controls whether the audio output will mute when the incoming bitstream is flagged as non audio data Optical Output switches the Toslink optical output on or off If not required disable it to extend battery life Logging Output can be used for long term data recording See section 5 1 I O Control l l Input Select A Autodetect Input Select BNC XLR D Optical EH Gen Clock Source Digital Input Video Ref 48 kHz E Down l Internal 48 kHz on Non Audio Down l Mute y a Optical Output Active H H Enabled down J Disabled Logging Output DM100 User s Manual Operation Setup Mode 46 System Settings The System Settings menu contains options for setting user preferences for the DM100 RS 232 Baud Rate controls the speed of the RS 232 port logging data Unit Name allows entry of up to 12 characters to give a DM100 a unique identity This is displayed during power on The Power Management function controls how long the unit will remain switched on after the last button press when operating on battery power LCD Backlight and Contrast Adjust control aspects of the LCD Firmware Upgrade is used to load new firmware into the DM100 Used for data logging see Section 4 5 To edit this line see section 4 4 Auto power off setting Backligh
24. nd slide out Battery Cover 1 5 V Battery 4AA Insert four AA batteries with alternating positive terminals and replace the cover 2 1 DM100 User s Manual Getting Started Power Button To turn on the DM100 press and hold the Power button down for two seconds The display reads as shown for approximately one second while a self test diagnostic runs DU Model DM100 l Unit Name The power on process ends with the DM100 operating in the last used state If the diagnostic test fails the Error LED lights and an error message is displayed To turn off the DM100 press Power again The display reads Power Off and the unit shuts off Power Off Battery Low LED The front panel battery LED flashes when the battery voltage drops below 4 3 V If the yt battery voltage drops below 4 1 V the DM100 display reads Dead Battery and the unit shuts off Dead Battery Auto Power Off When the DM100 is powered from the batteries external power supply not connected the unit can be set to turn itself off after a selectable number of minutes with no user activity 5 10 15 or 30 minutes This feature can be disabled The factory default setting is 15 minutes The wait time is set from the Setup menu under System Settings Power Management See section 4 6 2 2 DM100 User s Manual Getting Started 2 2 External DC Power Supply When powered
25. nes Dolby E input not present or DM100 decode format is not Dolby E blank Video reference not present N A Video reference not equal to Dolby E frame rate lines this status screen is less than 8 or greater 25 frame PAL During an audio follow video switch the Dolby E frame is in danger of corruption if the lines value displayed in 29 97 frame NTSC or less than 7 or greater than 35 for than 30 for Px represents the selected program number where x is a number between 1 and 8 Valid program numbers depend on the Dolby E program configuration For example therefore only P1 and P2 are valid Each metadata program parameter selection is described in the following sections 5 142 is two programs Px Prog Desc Px Dialogue Lev Down Px Channel Mode Channel strm Mode Mode Pro Px RF Mode Pro Down RF Ov Protect Down Lex Center Dwnmx Down Px Srnd Dwnmx Px Mixing Level Down Room Type Down Px Copyright Down Px Orig Bitstrm Down I Px Extnd Bitstrm PX Down Px DC Filter Down Px Lowpass Filt Down Px LFE Filter Down Px Srnd 3dB Attn Down Px Srnd Ph Shift 3 6 DM100 User s Manual Operation Status Mode Px Prog Desc Dolby E program description display Px Prog Descr Description text The DM100 has a 32 character buffer for each program
26. o 0 dB Use Up Down buttons 20 dBFS Streams except silence The number of video lines between the video ae BS reference frame boundary and the Dolby E ae offset When generating Waveforms frame boundary Use Up Down buttons lines Dolby E streams Down l Channel 1 DD Ch Mode When generating Channel 2 Channel 1 2 SET Down Upload Bitstream ENTER Yes ESC No Dolby Digital streams During the upload the display will show progress When complete Ready to Load lt ESC gt to Abort the DM100 will reboot The baud rate is fixed at 115 2 kbps 45 DM100 User s Manual Operation Setup Mode 4 3 AES3 Output The AES3 Output menu allows the user to control the value of the AES3 status bits present on the output of the DM100 The output can be set to pass through each parameter from the input or from the generator or each parameter can be manually set to a desired value When a value has been changed the current decode LED will flash slowly to indicate this change To reset all of the parameters use the pass through all function AES3 Output l AES3 Mode Professional AES3 Mode Consumer Pass Through Down Audio Audio Mode Non Audio a A Pass Through gt Down l Emphasis Pass Through J 17 Emph pownlf 50 15 us Emph Freq Mode Reserved 5 No Emphasis s Reserv
27. ogram Configuration 4 2 2x1 4 4x1 4x2 3x2 2x1 2x2 4x1 2 6x1 8x1 DT 4 2 4 2x1 3x2 2x2 2x1 2 4x1 6x1 4 2 2 2 2x1 4x1 Invalid Dolby E program AAA AAA configuration 3 2 DM100 User s Manual Operation Status Mode Dolby Digital When the incoming bitstream is Dolby Digital the following information will be displayed Dolby Digital B 3 2L 448kbps 1 1 L means the LFE 56kbps 1 0 enabled bit is set in the 64kbps 2 0 bitstream 80kbps 3 0 96kbps 2 1 112kbps 3 71 128kbps 2 2 160kbps 3 2 192kbps 3 01 224kbps 2 11 256kbps 3 11 320kbps 2 21 384kbps 3722 448kbps Te 512kbps 576kbps 640kbps 3 3 DM100 User s Manual Operation Status Mode PCM When the incoming bitstream is PCM and the DM100 has locked to it the following information will be displayed PCM B 44 1 kHz i 48 kHz 44 1 kHz 32 kHz Unknown Rate DM100 User s Manual Operation Status Mode 3 2 The Status Menus From the top level main Status display described above you can step through the status menus by pressing the Up or Down button Each menu below the top main Status display is described in the following manual sections Dolby E A Top level Status display l 5 142 24bit A typical display is shown Down l Dolby E MD Dolby E metadata menu
28. ref Dwnmx Dolby Digital LoRo E Preferred Downmix KKKKKKKKKKKKKKKK 7 Down l Status Does Not Exist DD Lt Rt C Dwnmx N A 1 414 3 0 dB 1 189 1 5 dB 1 000 0 0 dB Dolby Digital 0 841 1 5 dB Downmix Level 0 707 3 0 dB Status 0 595 4 6 dB 0 500 6 0 dB O 999 dB Not Active Does Not Exist S Down N A Le Dolby Srnd a Not Indicated a Dolby Digital Not Srnd EX DD A D Conv Type Surround EX Dolby Srnd EX Status KKKKKKKKKKKKKkkkx Not Active Does Not Exist N A Dolby Digital Standard A D Converter HDCD Type Does Not Exist N A 3 20 DM100 User s Manual Operation Status Mode DD Dual Mono MD After pressing ENTER to select this function press the Down or Up button to select the Dual Mono metadata parameter you wish to display A typical example screen is shown DD Dual Mono MD ENTER_to view 4l DM Dialogue Lev l 27 dB kkkkkkkkkkkkkkkk kk Zi dB DM Dialogue Lev Dual Mono 2 dB Dialogue 3 dB Down l Normalization DM Mixing Level Status 31 dB N A TT Down DM Room Type 80 dB YP Dual Mono 81 dB Mixing Level 82 dB Status I 111 dB Does Not Exist N A M Line Mode Pro Not Indicated Dual Mono Large Room Type Small Status KKKKKKKKKKKKKkkxk Does Not Exist N A xx dB Tf the Dolby Digital bitstream is not a Dual Mono bitstream the Press E
29. s well as DVD mastering and home theater installation The DM100 accepts input signals via XLR BNC and Toslink connectors The unit identifies the format of the input signal and activates the appropriate built in decoder The decoded analog signal sent to a standard 1 8 inch stereo headphone jack can be switched to monitor any two decoded channels while a small built in speaker can monitor the sum of any channel pair A front panel LCD displays Dolby Digital and Dolby E metadata information Six front panel LEDs indicate critical bitstream and system status information A set of Dolby Digital Dolby E and PCM test bitstreams is stored in internal nonvolatile RAM and can be changed in the field via software download The selected test bitstream is produced simultaneously on all output connectors The unit can receive and decode an input signal while generating a test bitstream The DM100 also features a pass through mode that allows modification of the input signal s AES channel status bits before passing the signal to the output connectors The input signal can be monitored simultaneously 2 1 DM100 User s Manual Chapter 2 Getting Started Power The DM100 is powered by four standard AA 1 5 V batteries or from an external 6V 800 mA DC power supply via the power input connector The internal batteries are disconnected when the external DC power supply is used Battery Installation PUSH Push the cover as shown a
30. space left in flash memory when loading test bitstreams TOO MANY STREAMS There is a limit of 200 streams in the unit 5 2 DM100 User s Manual Reference Information 9 2 Unit Reset Restore Default Settings With the DM100 powered off press POWER then hold down the ENTER button The factory default settings are restored without changing your presets or stored test bitstreams Hardware Reset In the unlikely event that the restore procedure above does not work the unit can also be reset by inserting a pen or paper clip into the RESET hole on the back of the DM100 The unit will reset and power off 5 3 DM100 User s Manual Reference Information 5 3 5 3 1 5 3 2 5 3 3 Connector Pinout Information RS 232 Serial Port Function Description 7 6 TX asynchronous data out OOO Ground 5 O 3 RX asynchronous data in NC 8 Position O AN A ee gt Z Q XLR Connectors Pin Connection 1 Signal Ground 2 Signal 3 Signal Headphone Connector Pin Connection Tip Left Channel Ring Right Channel Sleeve Common 5 4 DM100 User s Manual Reference Information DM100 Specifications Sampling Rates 48 kHz for all modes 32 kHz and 44 1 kHz for Dolby Digital and PCM Video Frame Rates 29 97 and 25 fps Frequency Response Digital Outputs 20 Hz 2
31. ssible display combinations are shown below Generator Se Maes AA The unit is generating a Generating non PCM bitstream bitstream name OR The unit is generating a PCM name PCM bitstream OR The unit is in pass blank through mode Pass Through Waveform is Sine or Square xxxxxHz yydB Frequency and level in dBFS Waveform is Frequency Sweep F1 F2 yydB Frequency range and level in dBFS Waveform is Pink or White Noise yydB Level in dBFS Waveform is Silence blank See section 4 2 for selecting stream and waveform names and frequencies 3 2 6 Video Reference Status Display A typical example is shown for the Video Reference input status display Video Ref 29 29 fps 25 fps Frame Rate 23 97 fps No video input No Input Video input present but invalid Video Ref Error 3 26 DM100 User s Manual Operation Status Mode 3 2 7 Timecode Status Display Timecode Dly 00 00 00 00 N A Timecode Timestamp data burst delay if present indicates the encode latency referenced to A V sync A positive number indicates an advance in milliseconds from the reference while a negative number indicates a delay Dolby Digital Timecode data as derived from the timestamp of the stream currently being decoded if present Encoding latency can be conveyed to a downstream MPEG broadcast encoder with a Dolby Digital stream Dolby E Timecode d
32. t always on if enabled Note Backlight can also be toggled on or off by pressing SHIFT then POWER button battery operation only During the upgrade the display RS232 Baud Rate perme System Settings 115 2 kbps 38 4 kbps 19 2 kbps DM100 15 min 10 min 5 min Disabled 30 min Enabled Disabled Use Up Down Down l Ready will show progress When complete lt ESC gt the DM100 will reboot The baud rate is fixed at 115 2 kbps Note This function can be accessed directly Turn off the DM100 by pressing the POWER button press the POWER button again then hold down the SETUP button 4 9 RS232 Baud Rate Down l Fe eee Down l Unit Name SS EA Down l LCD Backlight a a ee Contrast Adjust Firmware Upgrade ENTER Yes ESC NO to Load to Abort DM100 User s Manual Operation Setup Mode Note When powered from the external power supply the Power Management setting is ignored and the unit remains switched on The LCD backlight and keypad backlights are also turned on overriding the LCD Backlight setting 9 1 DM100 User s Manual Chapter 5 Reference Information Data Transfer Connect the RS 232 port on the front of the DM100 to a computer using the cable provided The RS 232 serial interface 1s used for e Test bitstream loading e Data logging
33. this case the LCD will indicate that data is being received and the audio output will mute Video The unit can use an analog composite NTSC or PAL black burst reference video signal for signal generation via the Ref Video RCA connector The input is internally terminated 2 4 DM100 User s Manual Getting Started 2 4 Outputs The XLR and BNC output connectors are always active The Toslink connector is enabled when it is selected The digital output signal can be e Pass through Dolby Digital Dolby E or PCM The output clock is locked to the digital input e An internally generated Dolby Digital Dolby E or PCM test bitstream The output clock can be locked to an internal 48 kHz clock a digital input signal or to 48 kHz derived from the video reference input See section 4 5 Headphone Output The headphone output is used to monitor the decoded Dolby Digital Dolby E or PCM signal Front panel buttons adjust the headphone volume Speaker Output The speaker output is used to monitor the decoded Dolby Digital Dolby E or PCM signal when headphones are not being used The signal is a mono version of the headphone output Front panel buttons adjust the speaker volume 2 5 DM100 User s Manual Getting Started 2 5 Ref Video In BNC F to RCA M Part Number 70217 Powe Pa Hookup The figure shows the locations for connecting components to the DM100 RCAF to BNC M Part
34. to select Enable Press ENTER to start logging via the RS 232 connection to your terminal program See sections 4 5 and 4 6 Firmware Upgrade With the DM100 powered off press the Power button then hold down the Setup button The DM100 will display the Firmware Upgrade screen The data transfer operates at a fixed baud rate of 115 2 kbps If an error occurs during the upgrade the Error LED will illuminate an error message will be displayed and the data transfer will halt Pressing the ESC button exits the upgrade mode if data is not being transferred or turns the unit off if a data transfer error occurs Data Transfer Error Messages Error Message Display Description HDR CHKSUM ERR Invalid checksum in file s header HDR LENGTH E Invalid length in file s header DATA CHKSUM ERR Invalid checksum in data portion of file Invalid data length specified in file s header LASH INIT ERR Flash memory detection failed device code not recognized LASH ERASE Flash sector protected and can not be erased FLASH PGM ERR XX Flash not blank at address YYYYYY hex Flash module error code given in XX hex IMAGE SIZE ERR Error in downloaded image size or address either too large for RAM or too large for flash VERIFY ERR Programmed image in flash does not match downloaded image after programming PRODUCT ERR Product code in file s header is not DM100 FLASH MEM FULL No
35. tories Inc all rights reserved Issue 1 Part No 91751 S00 13416 DM100 User s Manual Table of Contents Note References to the front panel buttons are shown using brackets throughout this manual e g STATUS References to multiple button combinations means sequences not simultaneous button presses Press the first button release and press the next button Chapter 1 Introduction 1 1 About the DM100 k 1 1 Chapter 2 Getting Started 2 10 Bowen eseu te id is de 2 1 Battery Installation 2 1 Power Button 2 2 Battery Low LED 2 2 Auto Power Off 2 2 External DC Power Supply 2 3 2 2 Rear Belt Clip Stand 2 3 23 gt EC 2 4 Dolby Deelt aii 2 4 Dolby Envia Ra 2 4 PCM orina aana a 2 4 Others fon shire ane se te 2 4 NICO ET 2 4 2 4 Output ARENS 2 5 Headphone Output 2 5 Speaker Output 2 5 29 HOOK UP 2 6 267 Quick Stein eiii 2 7 Making Your First Reading ooonnononinn 2 7 Generating a Bitstream oooonnncononnconncnonaconacnno 2 7 DM100 User s Manual Chapter 3 Operation Status Mode 3 1 Main Status Screen 3 1 Dolby Era liada 3 2 Dolby Digital cota 3 3 A EE E 3 4 3 2 The Status Menus 3 5 3 2 1 Dolby E Metadata Input Men 3 6 Px Prog Dee uer state 3 7 Px Dialogue Ley 3 7 Px Channel Mode 3 8 Px LEE Channel ses 3 8 Px Bitstrm Mode 3 8 Px Line Mode Pro 3 9 Px RF
36. ts are present xx dB None Film Standard Press the ENTER button to toggle between a numeric display and a Film Light Music Standard bar graph level display Music Light Speech gt TTT HHE Invalid RF 48 dB 0 48 dB N A Line 24 dB 0 24 dB Px RF Ov Protect RF overmodulation protection P2 RF Ov Protect Disabled Disabled Enabled N A 3 9 DM100 User s Manual Operation Status Mode Px Center Dwnmx A typical example is shown for the Dolby E Center Downmix display P2 Center Dwnmx 0 500 6 0 dB 0 d 0 596 4 5 dB 0 500 6 0 dB KKKKKKKKKKKKXEKXXX N A 0 707 3 B Px Srnd Dwnmx A typical example is shown for the Dolby E Surround Downmix display P2 Srnd Dwnmx 0 707 3 0 dB 0 707 3 0 dB 0 500 6 0 dB O 999 dB KKK KR KKK RARA EK N A Px Dolby Srnd A typical example is shown for the Dolby E Surround Mode display P2 Dolby Srnd Not Indicated Not Indicated Not Dolby Srnd Dolby Srnd KKK KKK KK KR KARA N A 3 10 DM100 User s Manual Operation Status Mode Px Mixing Level A typical example is shown for the Dolby E Mixing Level display P2 Mixing Level 80 dB 80 dB 81 dB 82 dB 111 dB Does Not Exist N A Px Room Type A typical example is shown
37. u can even connect the output of the DM100 to the input By doing this you can listen to the test stream and view all of the streams settings 2 7 DM100 User s Manual Chapter 3 Operation Status Mode After power on the DM100 defaults to Status mode with the top level main status screen displayed Status mode is used for displaying monitoring and analyzing the input bitstream 3 1 Main Status Screen The main status screen is the top level of the status menu tree It displays one of the following possible combinations of information The display shown below gives a typical example Valid Dolby E bitstream Dolby E Valid 32 bit Dolby Digital Dolby Digital bitstream Valid 16 bit Dolby Digital packed in left channel DDAPCM Valid 16 bit Dolby Digital PCM DD i packed in right channel Active Input Connector Two valid Dolby Digital DD DD A Set to Autodetect bitstreams B Set to BNC Valid PCM bitstream PCM X Set to XLR No incoming bitstream No Input 0 Set to Optical Dolby Digital B 3 2L 448kbps The following sections describe the information displayed on the second line for each type of input data 3 1 DM100 User s Manual Operation Status Mode Dolby E When the incoming bitstream is Dolby E the following information will be displayed Dolby E B 5 1 2 24bit 5 1 2 Ee Ss 16bit Bit Depth ea 20bit 4 2x2 24bit Pr
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