Apple Logic Pro 7.1 User Manual download pdf (Page 8)

Logic Pro 7.1 – MIDI Setup (2005-0905) 8 of 13

Missing MIDI Interfaces

If you loose any MIDI interface connection while Logic is running, CoreMIDI will detect it and Logic

displays a warning message with the information of the lost MIDI ports and the Instrument it was

connected to.

Once a MIDI interface was recognized from AMS, it stays in the Configuration display. When you

disconnect it or it looses its connection, the device turns to a lighter color. The proper color returns

when AMS re-establishes the connection. You can remove the inactive device if you no longer need

it. You can only remove in-active MIDI interface devices, not active ones!

The “Port” popup menu in Logic’s Object Parameter Box will list an unavailable MIDI Interface in a grayed out font.

The “Physical Input” object in Logic’s Environment doesn’t list inactive MIDI interfaces, only the active ones. If you loose a connection then the Port will

not be visible anymore.

Custom Created Devices Look-up

The Environment Setting will be saved as part of a Logic Song and therefore all the Instruments you created will be part of the Song. When you open

any song (including the Autoload Song), Logic will ignore the Custom Created Devices in AMS and it looks up only the available Ports of the connected

MIDI Interfaces. If any Port is not available when you open a Song, Logic will display an error message with the information of the missing port and the

Instrument it was connected to (see above “Missing MIDI Interfaces”). The name of the Port is still visible in the Object Parameter Port menu, but with a

light grey font.

There is one exception where Logic retrieves the Custom Created Devices from AMS. When Logic opens its “Default Song”. This is the Song that opens

when there is no Autoload Song defined and you launch Logic or select “New” from the File menu without a template. In that case Logic looks up the

Custom Created Devices in the AMS configuration and creates an Instrument for each device and assigns it to the port it is connected via a patch chord

in AMS. Logic also uses the Device Name to name the Instrument in the Environment.

Actually there is one more exception, when you run the Logic “

Setup Assistant”

either the first time after you install Logic or by using the “

Logic >

Preferences… > Start Logic Setup Assistant”

command. The Setup Assistant brings up at one point the “

MIDI Devices”

window, which is a look-up from

the AMS. It lists all the Custom Created Devices from AMS, but creates Instrument Objects only for the MIDI Devices that are connected to a MIDI

Interface. In the example below the Device “Prophecy” is listed in the “MIDI Devices” Window but it will not show up as a MIDI instrument in the

Environment later.

connected Interface

disconnected Interface

Physical Input

Object Parameter: Port menu

Logic

AMS

Logic Environment

Logic Setup Assistant

look-up

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Apple Logic Pro 7.1 User Manual Page 8

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