Apple Logic Pro 8 - Manual (Page 881)

Chapter 39 Working in the Environment 881
m Click the Environment background with the Pencil tool.
A standard instrument is created, and its parameters are displayed in the Inspector.
Here, you can set a number of playback parameters, including program bank and
number, initial volume and pan, transposition, velocity scaling, and MIDI delay.
Port
Use to set a direct connection to one of your MIDI output ports. Remember that you
can also directly cable an instrument object to (or from) other Environment objects,
allowing MIDI processing.
Channel
Sets the MIDI channel for the instrument’s output. If you set this parameter to All, all
events will be sent with their original channel settings.
Program, Volume, and Pan
The Program, Volume, and Pan parameters transmit program changes, volume
controller (#7), and pan controller (#10) data.
No data will be sent until you activate the corresponding checkbox. If the box is already
activated, any value alterations will be sent immediately, and the values will also be
sent whenever the track is selected.