Alesis ADAT-HD24 FirePort 1394 Reference Manual Download

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chapter 9 •

using Ethernet

ADAT HD24 Reference Manual

After a few seconds, you will be brought back
to the main Network window. The TCP/IP
Protocol should now be listed.

Click

O K

. Windows may ask for original

Windows installation files. Supply them as
needed. You may have to find your Windows
95/98/ME install CD.

Windows will ask you to restart the PC. Click

Yes

TCP/IP Installation is complete. Now, you have to
set the IP address of your PC so that it can access
the IP address of the ADAT HD24.

Summary of Contents for ADAT-HD24 FirePort 1394

Page 1: ......

Page 2: ...signal transfers 25 High sample rate operation 25 Footswitches 29 The LRC Remote 29 BasicRecordingandPlayback 31 About the hard drives 31 Songs 31 Making A Recording 34 Time Counter 34 Transport Butto...

Page 3: ...card 74 Software 74 Setting the IP parameters of the ADAT HD24 75 About setting up your computer 76 A word of caution 76 Apple Macintosh configuration instructions 77 Connection 77 Setting up the App...

Page 4: ...he cost per track price barrier for professional quality audio recording Important features of your ADAT HD24 Uses affordable hot swappable hard drives as removable media To allow the use of affordabl...

Page 5: ...make up to 120 track systems simply by chaining 9 pin cables from the Sync Out of one HD24 to the Sync In of another Provides multiple methods of file transfer The HD24 allows you to move data to and...

Page 6: ...andard fiber optic 1mm Toslink style connectors 13 Synchronization ADAT Sync Up to five HD24 units can be synchronized for up to 120 sample accurate tracks Control and slaving is possible from any ADA...

Page 7: ...the ADAT HD24 to a variety of typical audio systems and guides you through your first recordings step by step The middle chapters focus on features you don t have to know about but that make recording...

Page 8: ...enience receptacles and the point where they exit from the apparatus 11 Use only attachments or accessories specified by the manufacturer 12 Use only with a cart stand bracket or table designed for us...

Page 9: ...le cordon secteur ne rentre pas dans la prise de courant demandez un lectricien qualifi de remplacer la prise 10 Evitez de marcher sur le cordon secteur ou de le pincer en particulier au niveau de la...

Page 10: ...ligen Ger te sicher installiert sind um Sch den und Verletzungen zu vermeiden Wenn Sie einen Rollwagen benutzen achten Sie darauf das dieser nicht umkippt um Verletzungen auszuschlie en 12 Ziehen Sie...

Page 11: ...guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equip...

Page 12: ...t up to a mixer 1 Pull the ADAT HD24 out of the package 2 Make sure the POWER switch on the back of the HD24 is OFF and plug it into a grounded AC power source with the supplied power cable 2 Connect...

Page 13: ...lected will be selected automatically at power up See the icons next to the HD FREE SPACE display to find out which one is selected In any case there has to be at least one valid drive inserted and mo...

Page 14: ...If it isn t press the INPUT SELECT button If you are using a digital mixer press the INPUT SELECT button so that the Input indicator in the bottom left corner of the display reads Digital Then press...

Page 15: ...isplay See page 49 POWER SOFT Once the hard POWER switch on the rear panel is ON push this to turn the unit on and off TRACK BUTTONS 1 24 these are most often used to arm a track for recording but the...

Page 16: ...the WORD IN jack on the back panel or the OPTICAL input If the clock is internal SAMPLE RATE allows you to select the sample rate 44 1 48 88 2 or 96 kHz LOCATE SELECT along with the cursor keys below...

Page 17: ...ttings controlled by the INPUT CLOCK SOURCE AND SAMPLE RATE switches underneath the display and the MONITOR icon shows the status of ALL INPUT AND AUTO INPUT switches to the left of the display Locate...

Page 18: ...phone jacks also called TRS for tip ring sleeve See Chapter2 Connections Word clock input Connect the word clock output of a digital mixer or master clock source to this jack to ensure that everything...

Page 19: ...quick start guide chapter 1 18 ADAT HD24 Reference Manual...

Page 20: ...nted Installing in a Rack The ADAT HD24 may be simply set on a table or installed in a standard 19 audio equipment rack The rack ears are integral to the unit The ADAT HD24 has a small cooling fan tha...

Page 21: ...If the outlet is not grounded consult with a licensed electrician When AC currents are suspected of being highly unstable in VAC and Hz a professional power conditioner should be used Do not operate a...

Page 22: ...s are a good idea you can get them in 8 16 and 24 channel versions Some have numbers written on the wire so you can tell one cable from another Others use different colors of wire If so use an acronym...

Page 23: ...eads Select Audio Input Tracks Then press either Track Select buttons 1 or 2 notice that the INPUT LEDs for tracks 1 and 2 remain lit until you release the INPUT SELECT button 4 Bus Mixer Connect the...

Page 24: ...ve the electrical contact between connectors Avoid oily products that actually attract more dirt The ADAT HD24 is wired according to the modern standard of Pin 2 tip Hot Some older equipment was wired...

Page 25: ...ed independently when the master machine is stopped The Sync In and Out connections can also be used for synchronizing to SMPTE Time Code See Chapter 8 for more information To synchronize multiple HD2...

Page 26: ...ght least significant bits are filled with zeroes in 20 bit ADATs the last four bits are zeroes If 24 bit data is sent to a 20 bit machine the four extra bits are simply ignored much as fractions of a...

Page 27: ...ne will show a red light at the end 4 Repeat steps 2 and 3 for the DIGITAL OUT 9 16 and DIGITAL OUT 17 24 jacks At this point you should be able to PLAY a song on the HD24 and hear it or see the meter...

Page 28: ...AL INS of three different ADATs and then the inputs to the outputs as shown below Connect the SYNC OUTS so the HD24 is last in the chain ADAT Optical hookups between two HD24s aren t usually necessary...

Page 29: ...omputer interface card The card s ADAT outputs are connected to the HD24 Digital Inputs and the HD24 s Digital Outputs are connected to the card s ADAT Inputs In this particular case the ADAT SYNC is...

Page 30: ...f footswitch being used When using a normally open footswitch the footswitch can be plugged in without restarting the HD24 powering down and powering up However if using a normally closed footswitch t...

Page 31: ...connections chapter 2 30 ADAT HD24 Reference Manual...

Page 32: ...tracks Up to 64 Songs may be stored on a single drive You must select an existing Song or start a new Song before you can record or play back Each Song is defined from the beginning as having a certai...

Page 33: ...o bring up the display shown below Create New Song Press Y N If the transport is playing it will continue playing until the YES button is pressed If the NO button is pressed the screen will revert to...

Page 34: ...having to go through sample rate conversion at mastering Those with analog mixers typically use 48 kHz standard professional rate If you have equipment capable of it and are willing to deal with the t...

Page 35: ...ng There is no leader or preroll in the HD24 there is no way to rewind past the Locate 0 or sample zero point although of course you may record as much silence as you wish in a Song before the music s...

Page 36: ...ecording Recording takes place only on tracks that are in record ready When you start recording the RECORD LED lights and the REC LEDs for those tracks in record ready will stop flashing and remain li...

Page 37: ...ndicate it is safe To make a recording 1 Hold PLAY and then press RECORD Both the PLAY and RECORD LEDs will light to indicate you are recording Any enabled tracks REC LEDs will light solid 2 Press STO...

Page 38: ...f the peaks press the PEAK CLEAR button This mode is useful during recording when you want to make sure that the recording levels have never clipped without constantly staring at the meters You can gl...

Page 39: ...er the best resolution is found when the maximum recording level of each track falls just below the Clip point However since the HD24 is a 24 bit recorder you don t need to push levels quite so hard t...

Page 40: ...l be ignored If you don t get any input to a track or get a different input than you expect check the input normalling feature described above by holding the INPUT SELECT button Clock Source settings...

Page 41: ...to Input Monitor off is the normal option and is what you would use when first recording tracks When performing punch ins and overdubs you will probably want to turn the Auto Input Monitor on so that...

Page 42: ...s five seconds each time you press REW and then continue playing To scan forward Press PLAY The PLAY LED will light While the HD24 is playing tap the FFWD button The song will skip ahead five seconds...

Page 43: ...f 300 to 100 cents when using a sample rate of 48kHz or 96kHz and a range of 200 to 200 cents when using 44 1kHz or 88 2kHz Use the PITCH button to control the amount of pitch change To set the Pitch...

Page 44: ...ot change For example a locate point located at 00 05 30 00 0 at 48 kHz will be displayed as 00 05 58 05 50 at 44 1 kHz In either case the location in the music will be the same Special Locate Points...

Page 45: ...location point and the alphanumeric display will show its name and value 3 Press the LOCATE button to jump to that Locate point If you want to go to Locate points 0 through 6 these have dedicated fron...

Page 46: ...n the NAME button and press the YES and NO buttons to scroll through a list of 16 different default names like Intro Chorus 1 and Solo You can edit the list of default names in the same way if you wis...

Page 47: ...he PLAY LED will light and the HD24 will go into Play mode When the Loop End position is reached the HD24 will automatically locate back to the Loop Start position and then automatically go back into...

Page 48: ...e you want to end recording into L22 PunchOut This locate point will contain the timecode value of the last time you manually punched out 3 Press AUTO RECORD to enable Auto Record On the top of the di...

Page 49: ...can try out your punch locations first without recording over anything In other words you can measure twice or more and cut only once Tip Press the Rehearse button arm a track then punch in and out o...

Page 50: ...must be OFF Otherwise you run the risk of a head crash and losing data What happens when a drive mounts When a drive gets mounted if the drive contains a valid ADAT FST format the machine will automat...

Page 51: ...er and try to mount the drive If it is powered on with two drives in its bays the machine will automatically detect that both drives are there but will only apply power and try to mount the drive that...

Page 52: ...000 GB in theory although there is no such drive that can fit in a 3 5 disk tray at the moment The more GB the more recording time and generally speaking the lower cost per minute Formatting disks Bef...

Page 53: ...tion The Drive Select LEDs are bi color LEDs that indicate the status of the hard disk drive When a drive bay is empty its drive select LED will be off If there is a drive in a bay but it is unmounted...

Page 54: ...e manufacturer s installation instructions carefully In particular make sure to set each IDE drive to MASTER in some cases SINGLE mode using jumpers or small switches on the drive Even though there ar...

Page 55: ...be green Use the DRIVE button to select the source drive that holds the song you want to copy 1 Press the UTILITY button until you get to the first page looking something like this Util01 HD Copy Son...

Page 56: ...ATE SELECT as described on page 44 Cut This function cuts all of the audio on selected track s from the Edit Start point to the Edit End point leaving silence in the area you just cut You will be able...

Page 57: ...acks are selected you ll hear all tracks 1 Press the EDIT START button The display should look like something like this L23 Edit In 00 00 52 17 54 This example display shows that the Edit Start point...

Page 58: ...he Edit Start point 3 Since we re probably not that far off on our edit press the CURSOR RIGHT button to move to the Minutes field Seconds field Frames field and Subframes field 4 When you ve selected...

Page 59: ...ng copied then the display will read Track Cut Complete Copying an Audio Region This procedure copies the selected tracks between the Edit Start and Edit End points leaving the original recording unto...

Page 60: ...Region s Y N 3 Press the CURSOR LEFT button to place the cursor under the word Regions in the display 4 Press the YES up button The display will now read Cut Selected Track s Y N 5 Press the CURSOR R...

Page 61: ...the current Edit Start point to the end of the region that you re pasting If you want to paste to the current Edit Start location jump to step 6 To check the Edit Start location press the EDIT START b...

Page 62: ...d hold the TRACK EDIT button then select the tracks that you want to paste into When you changed songs the selected tracks were automatically cleared 4 Press the PASTE button when you re ready to past...

Page 63: ...enough to undo a bunch of previous edits if you decide you ve made some mistakes We say up to 99 levels of Undo because this edit buffer is revolving it tries to save as many previous edits as possibl...

Page 64: ...Paste Undo Off Track Slip The Track Slip function is similar to the Track Delay function in tape based ADAT recorders Using Track Slip however audio can be delayed or advanced in time up to 170 milli...

Page 65: ...uations keep the following illustration in mind 10 ms 10 ms 0 END EDIT EDIT START END As you can see the crossfade region starts 10 ms before the actual EDIT START point A crossfade region continues f...

Page 66: ...esponse above 20 kHz that can be recorded anyway Most studio speakers aren t capable of reproducing above 20 kHz and when presented with those higher frequencies the speakers exhibit modes and resonan...

Page 67: ...though a recorder or mixer can read these pairs of ADAT signals you may not be able to work with these files For example if you record a stereo 96kHz recording to four tracks of Digidesign s Pro Tool...

Page 68: ...e internal to the computer into ADAT Sync To use these products first connect the MTC output of the sequencer to the MTC input of your synchronizer then connect the synchronizer s ADAT Sync output to...

Page 69: ...tware MIDI04 Software Send Code Y N This page allows you to send the software from one HD24 to another through the MIDI jack When you press the YES button the HD24 s display will read Send Out OS Code...

Page 70: ...the HD24 can only locate to timecode for that song This can be problematic since a tape based ADAT can request the HD24 to locate beyond its limits either too early or too late in ADAT time The follow...

Page 71: ...tem allowed copy and paste editing between different ADATs under control of the BRC To do this it recommended that you connect the OPTICAL OUT of each ADAT to the OPTICAL IN of the next When you press...

Page 72: ...Pend the HD24 cannot dynamically arm tracks nor can it extend the song length You must arm tracks before entering RECORD on the BRC High sampling rates The BRC cannot control an HD24 if the current S...

Page 73: ...eel When you turn the jog wheel on the M20 or CADI the HD24 will not respond until a locate command is received via the Sync In It will not scrub although the M20 will if an Aux track has been created...

Page 74: ...ith a password so that anyone in the world with Internet access who knows the address of your HD24 and its password can download audio and work on it elsewhere Update the operating system of the HD24...

Page 75: ...re building a network for the first time and want to connect multiple computers printers a high speed modem etc these hubs are readily available from computer suppliers Just make sure that it support...

Page 76: ...recommend Util06 IP Addr 192 168 001 100 Later we ll explain how to set the IP address of your computer to 192 168 001 001 so it can communicate with this address But as a quick reference here are th...

Page 77: ...o be set to a related address on the network and configured to use Ethernet and TCP IP as its communication standard Doing this is different for the two major types of operating system the Microsoft W...

Page 78: ...nels Next you have to set up your Macintosh so it knows what language to speak to the ADAT HD24 This involves changing several Control Panel settings within your Macintosh Make a note of all these set...

Page 79: ...ually 7 Set the IP Address to the number you intend to use for your computer We recommend 192 168 1 1 if you intend to have a single connection between one Mac and the HD24 If you re connecting to a l...

Page 80: ...r mode Then set the User Mode to Advanced If you re using Apple s Control Strip feature you can also turn AppleTalk on and off by clicking on the icon of the computer in the strip and selecting AppleT...

Page 81: ...e network card installation first then install TCP IP before proceeding if it isn t already present If it is then skip to page 82 To install the TCP IP protocol in a Windows 95 98 ME PC 1 Click the St...

Page 82: ...should now be listed 8 Click OK Windows may ask for original Windows installation files Supply them as needed You may have to find your Windows 95 98 ME install CD 9 Windows will ask you to restart t...

Page 83: ...an IP address For the IP Address use 192 168 1 1 For Subnet Mask use 255 255 255 0 If you ve already set up your network you will leave these numbers unchanged Write down the IP address of your comput...

Page 84: ...your computer regarding Ethernet connections and operation Alesis is not responsible for damage to hardware or software caused by improper connection or operation To test the connection between a PC a...

Page 85: ...f the Utility menu For example we used ftp 192 168 1 100 Hit the RETURN key If your computer starts to dial a modem or if the next screen doesn t appear in a few seconds click on the STOP icon of the...

Page 86: ...d select Preferences 2 Click on File Helpers under Receiving Files You may have to click on the arrow next to Receiving to see this 3 Find the file helper for AIFF Sound there may be several try the o...

Page 87: ...pace If the HD24 doesn t have enough free space to store the longer song the file transfer will be aborted To upload drag the folder or individual files from the desktop of the computer into the Web b...

Page 88: ...spond to addresses outside its local network Gateway Hint The gateway address must be part of the local network For instance if the HD24 IP address is 192 168 1 1 and the HD24 subnet mask is 255 255 2...

Page 89: ...and playback from the ADAT HD24 1 Make sure that all downloads are complete and all users have logged off the system The ADAT s display should read FTP Server Ready 2 Press the STOP transport key on t...

Page 90: ...h is a dumb device has a unique address on the internal network In this network the PC or the Mac can connect to any or all of the HD24 machines Since each HD24 has its own unique address they can co...

Page 91: ...using Ethernet chapter 9 90 ADAT HD24 Reference Manual...

Page 92: ...to a new song defined as having more tracks INPUT SELECT is set to 2 4 8 or 12 input mode Reset INPUT SELECT for 24 input mode No audio input or output on certain channels EDIT PREVIEW plays back only...

Page 93: ...d re attach connectors Blips are heard at the edit points after pasting audio Several PASTE operations at the same points Use PASTE UNDO when doing repetitive editing See page 64 Noise induced in unba...

Page 94: ...ices and tape machines except for the ADAT HD24 the mixer and control room monitor power amp B Plug in each tape machine and outboard effects device one at a time If possible flip the polarity of the...

Page 95: ...to clean the unit Refer All Servicing to Alesis We believe that the ADAT HD24 is one of the best multitrack recorders that can be made using current technology and should provide years of trouble fre...

Page 96: ...adequate packing is not covered by the Alesis warranty Tape a note to the top of the unit describing the problem include your name and a phone number where Alesis can contact you if necessary as well...

Page 97: ...troubleshooting chapter 10 96 ADAT HD24 Reference Manual...

Page 98: ...19 dBu 6 9 VRMS 0 dBFS Output impedance 220 AUDIO PERFORMANCE Signal to Noise Ratio 103 dB A Weighted Analog In to Analog Out THD N 0 003 Analog In to Analog Out Frequency Response 22 22 kHz 0 50 dB A...

Page 99: ...specifications 98 ADAT HD24 Reference Manual Dimensional drawing...

Page 100: ...9 PUNCH IN OUT 29 Format in ADAT system 69 format drives 49 Formatting disks 51 FTP Server Mode 73 76 quitting 88 FTP software 74 fuse 91 Ground Loops 93 grounding 7 20 HD FREE SPACE indicator 16 49 i...

Page 101: ...Snakes 21 software updating code 68 SONG SEL 32 Songs 31 Specifications 97 STOP 35 SYNC 24 synchronization 70 by redefining Locate 0 34 TIME counter 34 Track Delay 71 Track Edit 55 58 59 Track Slip 6...

Page 102: ...se that are due to defects in material or workmanship in the product THE ABOVE WARRANTIES ARE IN LIEU OF ANY OTHER WARRANTIES OR REPRESENTATIONS WHETHER EXPRESS OR IMPLIED OR OTHERWISE WITH RESPECT TO...

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