Configuring 
 MIDI in OS X
        You can use helper utilities already available 
 on your computer to configure your MIDI devices by following these steps.
        
            - Navigate 
 to your hard drive, and choose Application > Utilities > Audio MIDI Setup. 
 The Audio MIDI Setup dialog box appears. Now, we’ll add new devices.
- Click 
 the MIDI Devices tab. Audio MIDI Setup will search for MIDI hardware 
 and software. After the search, your MIDI interface will appear. If your computer does not recognize the device, consult the documentation that accompanied the device for installation instructions.
             
            
        
        
            - If 
 you are using a controller for MIDI input, drag the outgoing arrow of 
 the MIDI controller to the incoming arrow on the MIDI interface.
- If 
 you are using a sound module for playback, drag the incoming arrow of 
 the sound module to the outgoing arrow on the MIDI interface.
- If 
 you are using a device such as a MIDI keyboard for both input and playback, 
 connect the outgoing arrow on the MIDI device to the incoming arrow on 
 the MIDI interface, and then connect the incoming arrow of the MIDI device 
 to the outgoing arrow of the MIDI interface. Now, to ensure your 
 devices are installed properly on your computer, we’ll test the MIDI setup.
- Click 
 the Test Setup button on the upper right. The cursor changes 
 into two eighth notes.
- Click 
 the DOWN ARROW beneath a device’s icon  . Your computer sends 
 a message to your MIDI device. You see the “Out” light illuminate 
 on your MIDI interface and/or a sound played on the MIDI device. . Your computer sends 
 a message to your MIDI device. You see the “Out” light illuminate 
 on your MIDI interface and/or a sound played on the MIDI device.
- Click the Internal Speaker icon in the upper right corner of the screen and drag the slider near the top to ensure the volume is up (as shown here).
             
            
        
        
            - Play 
 a note on the external MIDI device. The external MIDI device sends 
 a message to your computer. You see the “In” light on your MIDI interface 
 illuminates and/or hear a beep from your computer’s internal speaker. 
 
- Quit 
 Audio MIDI Setup.  
Now that you have set up MIDI with OS X, skip 
 directly to Starting Finale.