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MOTU MIDI Express XT Руководство по эксплуатации онлайн [88/94] 777766
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APPENDIX C: TROUBLESHOOTING AND CUSTOMER SUPPORT
88
My MOTU interface will not sync to time code.
Make sure that the SMPTE IN cable is firmly seated and
connected to the appropriate output on the tape deck.
Observe the LTC LOCK light. Is it flickering quickly and
steadily? If so, the MOTU interface is locked to tape and
the syncing problem is probably related to MIDI. If not,
check the level of the time code: it should be
approximately –3 VU; then, try boosting or attenuating
the SMPTE signal from the tape. You may even want to try
recording some fresh SMPTE and locking to it.
The SMPTE time code counter just sits there when my
MOTU interface is syncing to time code, even when its
LTC LOCK LED shows that it seems to be locked up just
fine.
This most likely means that MTC (MIDI Time Code) is
not being routed to the computer. Check the Routings tab
in ClockWorks to make sure there is a connection between
the MTC port in the left-hand column and the computer
port in the right-hand column.
My MIDI software won’t sync to tape via my MOTU
interface.
Make sure that the interface is slaved to time code first by
opening ClockWorks to see if you get a running update of
time code while tape is running. As long as the time code
display shows that the interface is successfully locking to
the time code and generating MIDI Time Code, MIDI
software should also be able to lock to the MIDI Time
Code.
When I play notes from my MIDI controller, the notes
sound funny/chopped off/phased/etc. OR I run out of
voices sooner than I should on my sound sources.
This means that you are probably routing data to the
sound source twice by accident, either via the Auto Patch
Thru feature in your host MIDI software, or via a routing
you were not aware of in ClockWorks. To solve the
problem, try to identify from where the extra routing is
coming. For example, switching off the computer will tell
you if it’s the culprit or not. The Routings tab in
ClockWorks is also a good place to hunt for a problem.
!USB Interfaces Manual Book Page 88 Tuesday, August 16, 2011 11:21 AM
Содержание
- Mark of the unicorn inc 1
- Midi express xt midi express 128 micro express micro lite 1
- User guide 1
- Adapter 2
- Figure a 2
- Figure b 2
- Grounding lug 2
- Grounding prong 2
- Make sure this is connected to a known ground 2
- Prong plug 2
- Properly grounded 3 prong outlet 2
- Safety precautions and electrical requirements 2
- Two prong receptacle 2
- Clockworks 3
- Contents 3
- Front panel presets 3
- Glossary 3
- Hardware installation 3
- Midi machine control 3
- Packing list and computer requirements 3
- Part i for all users 3
- Part ii for xt micro users 3
- Part iii appendices 3
- Software installation and setup 3
- Synchronization 3
- Time code basics 3
- Troubleshooting and customer support 3
- Using midi software 3
- About the mark of the unicorn license agreement and limited warranty on software 4
- Copyright notice 4
- General 4
- Limited warranty on hardware 4
- Reminder of the terms of your license 4
- Update policy 4
- Chapter 1 7
- Computer requirements 7
- Midi cables not included 7
- Packing list 7
- Packing list and computer requirements 7
- Please register today 7
- Thank you for choosing motu 7
- Familiarity with your computer 8
- Getting started 8
- Midi software compatibility 8
- Visit motu com for software updates 8
- Chapter 2 9
- Connecting the computer 9
- Connecting the power cord 9
- Hardware installation 9
- Overview 9
- Connecting midi gear 10
- Here s a suggestion if you have more than a few pieces of gear connected to your motu midi interface jot down which device is connected to each input and output in the worksheet below 11
- Interface this means that they share the same set of 16 midi channels so try to do this with devices that receive on only one midi channel such as effects modules so their receive channels don t conflict with one another 11
- Midi connections worksheet 11
- Smpte time code sync connections 12
- Connecting a foot switch 14
- Connecting multiple usb interfaces 14
- If you own a midi express xt or micro express and you would like to use a foot switch with it connect it as shown below in figure 2 7 for more information about how a foot switch can be used see the pedal tab on page 46 14
- Specification allows you to connect multiple motu interfaces to a single computer you can mix and match any combination of motu usb interfaces to suit your needs 14
- The usb 14
- Universal serial bus 14
- What next 15
- Chapter 3 17
- Overview 17
- Software installation and setup 17
- Software installation for mac os x 17
- Software installation for windows 20
- Daisy chaining midi devices 21
- Where to go next 22
- Chapter 4 23
- Mac software 23
- Using midi software 23
- Windows software 23
- As for midi data arriving and leaving your computer via the motu usb midi interface driver imagine it coming and going from the motu interface as shown in figure 4 3 all channelizing and filtering is applied before the input data arrives at the computer and after it is sent from the computer 24
- The midi data path mac and windows 24
- About clockworks 27
- Chapter 5 27
- Clockworks 27
- Overview 27
- Sync and midi machine control section 28
- The file menu 29
- The clockworks window 30
- The routings tab 31
- The presets tab 34
- The mutings tab 35
- The mappings tab 38
- The mappings tab controls the channelizing of midi data on all midi in and midi out cables with complete flexibility this window can switch data from its current midi channel to any other channel immediately when the data either enters or exits your motu interface 38
- Synchronization and midi machine control 40
- Sync tab settings 42
- The pedal tab 46
- Future updates 48
- Chapter 6 49
- Factory versus user presets 49
- Front panel presets 49
- Overview 49
- Selecting a preset on an express xt 49
- Factory presets 50
- Selecting a preset on a micro express 50
- User presets 54
- Accessing sync settings 55
- Chapter 7 55
- If you are new to smpte sync 55
- Overview 55
- Synchronization 55
- Syncing your express interface to time code 55
- Slaving a sequencer to smpte 58
- Striping time code 58
- Ltc mode 60
- Mtc mode 63
- Chapter 8 65
- How mmc works 65
- Midi machine control 65
- Overview 65
- Preparing software for mmc 67
- Setting mmc device id s 67
- Setting up other mmc devices 67
- Using software as an mmc controller 67
- This can be accomplished with an mmc compatible sequencer mmc applet or any other software that transmits mmc transport control commands 68
- Your motu midi interface has the ability to serve as a mmc transport slave while at the same time generating time code for other devices in your studio in doing so the motu interface becomes a central stable time code hub for all of the devices in your studio allowing you play stop and cue them all directly from your sequencer 68
- Using an mmc control surface 70
- Using other devices as a controller 71
- Address track 75
- Appendix a 75
- Burn in window 75
- Cable routing 75
- Control track 75
- Crosstalk 75
- Default 75
- Drop frame 75
- Drop out 75
- Glossary 75
- Flywheeling 76
- Freewheeling 76
- Genlock 76
- Guard track 76
- Hard record 76
- House sync 76
- Input cable 76
- Insert record 76
- Jam sync 76
- Network 77
- Non drop frame 77
- Output cable 77
- Pal secam 77
- Script 77
- Sequencer 77
- Smpte time code 78
- Smpte to midi converter 78
- Striping 78
- Switcher special effect generator 78
- Synchronizer 78
- Time code generator 78
- Time code window 78
- Universal serial bus 78
- User bits 79
- Vertical blanking 79
- Video field 79
- Video frame 79
- Appendix b 81
- Overview 81
- Time code basics 81
- What is smpte 81
- What is synchronization 81
- Two forms of time code ltc versus vitc 82
- What is ltc 82
- What is vitc 82
- Frame rates 83
- Should i use ltc or vitc 83
- The benefits of vitc over ltc 83
- What is drop frame 84
- Why does drop frame exist 84
- How does synchronization work 85
- Should i use drop frame 85
- How does a motu synchronizer work 86
- Locking a motu interface to time code 86
- What is midi time code 86
- Appendix c 87
- Common problems and solutions 87
- Troubleshooting and customer support 87
- Customer support 89
- Replacing disks 89
- Technical support 89
- Troubleshooting 89
- System requirement 94
- Zero frames freewheel 94
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