User’s Guide Copyright © 2002, Metric Halo Distribution, Inc. All rights reserved. Metric Halo Distribution, Inc.M/S 601 • Building 8Castle Point, NY
Mobile I/O User’s Guide 2• 8 ADAT® Optical Inputs and Outputs• Sample Rate Conversion (SRC) on Digital I/O • Built-in 80-bit, fully interpolated, mul
Mobile I/O User’s Guide92Power mode. Metric Halo accepts no responsibility for any damage that mayoccur if you enable High Power mode while Mobile I/O
Mobile I/O User’s Guide – Appendicies93Appendix I – Updating your FirmwareThe Mobile I/O is a complex device with a complex DSP–based signal pro-cessi
Mobile I/O User’s Guide – Appendicies94Actually, the primary boot firmware is much smarter than that. The box iscompletely functional on the primary bo
Mobile I/O User’s Guide – Appendicies95Installing a firmware updateIn order to install a firmware update, follow these steps:1. If there is an associate
Mobile I/O User’s Guide – Appendicies96firmware, it will say “Wait 10 seconds then hit return...” After you hit return,MIOBootInstaller will find your M
Mobile I/O User’s Guide Index97IndexSymbolics+48v ... 24Numerics1/4” ...
Mobile I/O User’s Guide Index98WC (88/96) ... 30WCx256 (44/48) ... 30WCx256 (88/96) ...
Mobile I/O User’s Guide Index99Ii.Link ... 17IEEE 1394 ... 16Inst ...
Mobile I/O User’s Guide Index100Rack Ears ... 4Support Information ... 5what comes with it ...
Mobile I/O User’s Guide Index101scrollbar ... 48Routing Model ... 42SS/PDIF ...
Mobile I/O User’s Guide 3 What comes with it Your Mobile I/O package contains the following items:• One Mobile I/O unit• One IEC Power Cord appropria
Mobile I/O User’s Guide 4• One 4.5 meter IEEE 1394 6-pin FireWire Cable• Two Rack Ears w/ fasteners• MIO Software CD-ROM• This Mobile I/O Users Manua
Mobile I/O User’s Guide 5 Support Information Warranty The Mobile I/O hardware is covered by a manufacturer’s warranty againstmanufacturing defects.
Mobile I/O User’s Guide6Service and SupportIf you have problems configuring or using your Mobile I/O and you needhelp, please contact our support group
Mobile I/O User’s Guide7equipment off and on, the user is encouraged to try to correct the interfer-ence by any combination of the following measures:
Mobile I/O User’s Guide8Using the Mobile I/O Hardware Mobile I/O Front PanelThe Mobile I/O front panel provides ten-segment metering for the 8 analogi
Mobile I/O User’s Guide9• FireWire• Indicates that the Mobile I/O has been successfully connected to aFireWire bus and has detected the isochronous cy
Mobile I/O User’s Guide10Mobile I/O Rear PanelThe Mobile I/O rear panel features:• 4 channels balanced XLR inputs. Each input has:• 24-bit 96kHz A/D c
Mobile I/O User’s Guide11Making connections to the Mobile I/OThere are six classes of connections you can make to the Mobile I/O hard-ware:1. Analog A
Mobile I/O User’s Guide.Copyright © 2002, Metric Halo Distribution, Inc. All rights reserved under International and Pan-American Copyright Con-venti
Mobile I/O User’s Guide12The Mobile I/O XLR inputs are all wired pin 2 hot and the 1/4” inputs arewired Tip hot.TIP: To use the Mobile I/O TRS input w
Mobile I/O User’s Guide13cial cable with a TRS connector and a TS connector. In this cable, you justlet the ring of the TRS connector float:Alternative
Mobile I/O User’s Guide14by both S/PDIF and AES outputs. This allows you to send the same stereopair to two devices at once.We recommend that you use
Mobile I/O User’s Guide15other devices that support the ADAT® Optical communication protocol. TheADAT Optical standard allows a device to transmit 8 c
Mobile I/O User’s Guide16There are four different ways to get external clock information into the unit:1. Sending a 1x word clock signal into the WC I
Mobile I/O User’s Guide17and for Apple itself. On that basis they opened their technology for standard-ization under the auspices of the Institute of
Mobile I/O User’s Guide18Devices connected to the FireWire bus are autoconfiguring. You do not needto set IDs or DIP switches or in any way configure th
Mobile I/O User’s Guide19accesses and meter updates slow down. If you are experiencing bus over-loads, you can always add a second FireWire bus with a
Mobile I/O User’s Guide20If you find that the computer is not capable of powering Mobile I/O or doesnot provide enough run time, you may want to explor
Mobile I/O User’s Guide21MIO Console MIO Console is the nerve center of your Mobile I/O. Functioning as a stan-dalone application, MIO Console provide
Mobile I/O User’s Guide – Table of Contents i Mobile I/O: Introduction and Overview ...
Mobile I/O User’s Guide22MIO Console also contains a patchbay router, which allows you to quicklyselect the source being fed to any output. The patchb
Mobile I/O User’s Guide23MIO Console OverviewThe MIO Console application consolidates all of the controls for theMobile I/O hardware into one easy to
Mobile I/O User’s Guide241. Parameter Popup control menu• The Parameter Popup control allows you to save, recall, and manage all ofthe parameters asso
Mobile I/O User’s Guide25standard. If you are using one of the other level standards, PhantomPower is automatically disabled. If you have enabled Phan
Mobile I/O User’s Guide26This format supports input levels up to +6 dBu. The input impedanceis approximately 200k (12k with phantom power engaged) and
Mobile I/O User’s Guide27reset. You can reset the hold by clicking on the meter. These meters aresimply high resolution versions of the meters shown o
Mobile I/O User’s Guide28values for the odd channel in the pair will be copied to the even channel ofthe pair.DIGITAL INPUT METERSTo the right of the
Mobile I/O User’s Guide29by 18 dB. The meters in this section show the headphone output pre-mute/dim block.SYSTEM CONTROLSThe System block provides co
Mobile I/O User’s Guide30sample rate since the sample rate is determined by the external clocksource.• WC (44/48) directs Mobile I/O to clock off of a
Mobile I/O User’s Guide313. The WC Out popup menu allows you to select the output clocksignal the Mobile I/O generates on its WC Out BNC connector. Th
Mobile I/O User’s Guide – Table of Contents ii Digital Output Meters ...33Box
Mobile I/O User’s Guide32clock signal is not present, corrupted or out-of-range, the systemmay unlock. There are indicators for the system and the dig
Mobile I/O User’s Guide33put level to be consistent with the needs of other audio gear. Theoutput impedance is approximately 50 Ohms.This format is ap
Mobile I/O User’s Guide34nels 1-8 and digital output channels 1-2, going from left to right. Please notethat when the box is clocking at 2x rates (88.
Mobile I/O User’s Guide35in the same folder as the MIO Console application or any of the ASIO driversthat you will use with an ASIO host.If, on the ot
Mobile I/O User’s Guide36The controls in the top half of the mixer panel are the same analog inputcontrols described in the section “Analog I/O View”
Mobile I/O User’s Guide37Each mixer also has a Parameter Popup control associated with it. Unlikethe Input and Output controls, the parameter control
Mobile I/O User’s Guide38The gain range for each channel is from -∞ (muted) to +10 dB. The resolutionof the gain control is extremely fine and gain cha
Mobile I/O User’s Guide39<Option> clicking the pan knob will return it to center pan, and <com-mand> click-dragging the knob will allow yo
Mobile I/O User’s Guide40MIXER MASTER MUTEEach mix bus has a master mute button above the master fader that allowsyou to mute the output of that mixer
Mobile I/O User’s Guide41mixer in Mobile I/O to mix in DAW effects send busses for monitoringwithout having to reconfigure your DAW session.3. Multicha
Mobile I/O User’s Guide – Table of Contents iii Configuring ASIO Hosts...
Mobile I/O User’s Guide42MIX/OUPUT ROUTING PANELThe third panel in the MIO Console window is the Mix/Output Routingpanel. This panel is what you use t
Mobile I/O User’s Guide43powerful routing model to allow you to control the routing of signalsbetween physical & virtual inputs and the hardware m
Mobile I/O User’s Guide44routing, or mult’ing that you configure in the hardware, you can alwaysrecord all of the inputs with your DAW.As you can see f
Mobile I/O User’s Guide45As you can see from this schematic diagram of the mixer/router, the Mixer inMobile I/O is a fully cross-pointed matrix. While
Mobile I/O User’s Guide46To choose a source for an output channel, simply go to the popup menu forthe output you want to route to, click and select th
Mobile I/O User’s Guide47crosspoint in the Matrix, darkening the associated Crosspoint Assign tile.Deselecting a tile removes the associated fader fro
Mobile I/O User’s Guide48bus is a mono bus, there are no pan knobs associated with the input chan-nels. The interior of the Matrix is composed of a la
Mobile I/O User’s Guide49To name a channel, click on the input path tiles (for input channels) or themix bus tile (for Mix busses). The channel configu
Mobile I/O User’s Guide50The channel identification controls identify which channel you are adjusting:• The MIO Box popup menu allows you to select whi
Mobile I/O User’s Guide51Each instance of the Parameter Popup control provides the same commandsand options for every section of the console.POPUP COM
Mobile I/O User’s Guide – Table of Contents iv Bus Powering Mobile I/O ...90No
Mobile I/O User’s Guide52• Delete Current Parametersuse this command to remove the currently selected preset from thelibrary• Create New Categoryuse t
Mobile I/O User’s Guide53For the Input and Output channels, you can hold down the <option> keywhile selecting a preset to automatically apply th
Mobile I/O User’s Guide54You can create categories by creating new folders within the folders thatappear within the “Parameter Library” folder. You ca
Mobile I/O User’s Guide55Routing ApplicationsClocking ConsiderationsThere are five ways that you can clock Mobile I/O:1. Internal2. Digital (AES/SPDIF)
Mobile I/O User’s Guide56ing the proper external clock source. Each external clock source comes intwo different flavors:• xxxx(44/48)• xxxx(88/96)where
Mobile I/O User’s Guide57on page 56. After reading this section you should have a feel for how toapply Mobile I/O’s routing and mixing capabities.In t
Mobile I/O User’s Guide58SETTING UP THE ROUTING The first thing we need to do is configure our mixers and routing. For thissetup we will use two mixers
Mobile I/O User’s Guide59We’ll also assign DAW 1 and 2 to mix busses 1 and 2 for ASIO playback. Wecan name the mix busses by clicking on the mix bus l
Mobile I/O User’s Guide60The Effects Send mix should feed the AES outputs so we’ll set the Digital sec-tion of the Output Patchbay to take its input f
Mobile I/O User’s Guide61By default the mixer’s faders are are at unity gain and the mutes are engaged.We can unmute all the mixer channels by holding
Mobile I/O User’s Guide – Table of Figures v Figure 1. Mobile I/O Unit...
Mobile I/O User’s Guide62If you want to use this example as a tracking set up, choose Save As... fromthe file menu. This brings up a standard Macintosh
Mobile I/O User’s Guide63Now in the Output Patchbay we’ll assign Monitor L and Monitor R to Analog1 and Analog 2. This creates the routing for our Big
Mobile I/O User’s Guide64Now we can save the setup into the Monitors category by choosing SaveAs... from the Patchbay Parameters popup. A dialog will
Mobile I/O User’s Guide65ConclusionThe preceding examples should give you a sense of the possibilities that areenabled by the routing and mixing featu
Mobile I/O User’s Guide66Configuring ASIO HostsABOUT ASIO™ TECHNOLOGYASIO (Audio Stream Input/Output) is Steinberg Soft- und Hardware GmbH’stechnology
Mobile I/O User’s Guide67communication between MIO Console and the hardware, and transportingaudio between the hardware and clients. The “Mobile IO™ A
Mobile I/O User’s Guide68boots up. In the direct mapped configuration, the 18 ASIO output channelsare mapped to the hardware in the following order:1.
Mobile I/O User’s Guide69ASIO BUFFERSAudio channels are transported individually in buffer sized chunks. The sizeof the audio buffers has an effect on
Mobile I/O User’s Guide70the driver. If your host allows you to select a buffer size, please make surethat you choose one of the sizes that Mobile I/O
Mobile I/O User’s Guide71ASIO DIRECT MONITORINGThe ASIO2 standard added the capability for ASIO hosts to control hardwaremonitor mixing in ASIO hardwa
Mobile I/O User’s Guide – Table of Figures vi Figure 37. Complete view of the Mobile I/O Matrix Mixer ...44 Figure 38
Mobile I/O User’s Guide722. Use the Output Patchbay (see “Output Patchbay Details” onpage 45) in MIO Console to route the appropriate Mix Busses toyou
Mobile I/O User’s Guide73There are some advanced settings in the Nuendo Device Setup Dialog thatyou need to select for proper operation. You can acces
Mobile I/O User’s Guide74under normal circumstances, you should only enable the channels youneed. Especially if you are mixing and pushing your proces
Mobile I/O User’s Guide75CONFIGURING CUBASECubase is a Steinberg application that uses ASIO as its only audio interfacestandard. The ASIO driver is se
Mobile I/O User’s Guide76The VST Outputs window allows you to enable which physical outputs youwant to mix to. As with the inputs, you can save some p
Mobile I/O User’s Guide77You can choose an external clock source from the “Clock Source” popupmenu.Finally, to enable ASIO Direct Monitoring, you must
Mobile I/O User’s Guide78The Configure Hardware Device dialog provides a user interface to config-ure the clock source, sample rate, and buffer size for
Mobile I/O User’s Guide79ENABLING CHANNELSMAS automatically enables and disables ASIO channels based upon theassigned output busses and the record-ena
Mobile I/O User’s Guide80To use Mobile I/O with SpectraFoo, select “Mobile IO™ ASIO” from theASIO driver popup menu. After you have selected the drive
Mobile I/O User’s Guide81Troubleshooting GuideCOMPUTER DOES NOT SEE MOBILE I/OIf you attach Mobile I/O to your computer, and the computer is unable to
Mobile I/O User’s Guide 1 Mobile I/O: Introduction and Overview Thank you for purchasing Mobile I/O™, the ultimate FireWire®–based pro-fessional audi
Mobile I/O User’s Guide821. If the “MobileIO™ Enabler” file is not installed in the“System Folder:Extensions” folder, the system will not register thea
Mobile I/O User’s Guide834. If the “Mobile IO™ ASIO” file is not installed in the appropriatefolder for each of your hosts, the corresponding host will
Mobile I/O User’s Guide84THE FIREWIRE CABLE IS BADMetric Halo provides two high-quality overspec’ed FireWire cables for usewith Mobile I/O and we reco
Mobile I/O User’s Guide85hardware has failed since it will consistently keep devices from connectingproperly to the computer. If the computer is damag
Mobile I/O User’s Guide86If the current configuration of the Console is what you want, the easiest wayto reconfigure the hardware is to save the state o
Mobile I/O User’s Guide87sult the documentation for your Macintosh for more information. Pleasenote that localized versions of the Mac OS use differen
Mobile I/O User’s Guide88terized by a consistent low impedance path between each device and acommon reference ground, ideally connected directly to ea
Mobile I/O User’s Guide89It is usually a bad idea to put some devices in your system on a power con-ditioner and other devices on a separate strip, so
Mobile I/O User’s Guide90DIGITAL GRUNGEIt is possible for the ASIO driver to fall out of sync with the hardware. This isan unlikely occurrence and Met
Mobile I/O User’s Guide91If this is the case, you will generally find that the Mobile I/O will boot on ini-tial connection, but will then lose power or
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