Apple logic pro 8 Handbuch

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Chapter 3   
 Mackie Control
61
 
Channel Strip Controls
Directly below the main LCD display are eight sets of channel strip controls. You can 
use these to control Logic Pro channel strip parameters, plug-in parameters, and other 
Logic Pro functions. Each channel strip includes the following controls, which are 
described in the following sections:
 V-Pot rotary encoder with button.
 Rec/Ready button and LED.
 Signal LED.
 Solo button and LED.
 Mute button and LED.
 Select button and LED.
 Touch-sensitive motorized fader.
Each channel strip on the Mackie Control and Mackie Control XT units is identical. The 
following descriptions apply to both devices.
V-Pot
The V-Pot is a rotary encoder, with an integrated button (press down on the top of the 
encoder). You can use the V-Pot to adjust the channel’s send level and pan/balance (in 
Channel view), or to adjust effect or instrument plug-in parameters. The V-Pot can also 
be used to scroll through, and choose, items such as; plug-ins, software instruments 
and more from menus. It can also be used to determine send destinations. The faster 
you turn the V-Pot, the quicker it changes values, scrolls through menus, and so on.
The top of each V-Pot has an integrated push button, which typically sets a default 
parameter value (where a parameter has more than two possible values) or switches 
between two parameter values (on/off ). The button can also be used to activate a 
function you have selected with the V-Pot. As an example, you can turn the V-Pot to 
scroll through a list of effect plug-ins for one of the channel Insert slots. Once the 
desired effect is displayed in the main LCD, press the top of the V-Pot to select and 
insert the effect, and open the plug-in window. The button is also sometimes used to 
switch to a special assignment mode.
When a value or name (such as a plug-in) has been pre-selected, but not confirmed or 
instantiated, the value (or name) flashes on the main LCD—until you press the V-Pot 
button.
The current value of the parameter you are adjusting with the V-Pot is displayed on the 
main LCD (dependent on the Name/Value setting), and is also indicated by the ring of 
LEDs encircling the V-Pot. The way that parameter values are displayed on the LED ring 
varies—depending on the type of parameter being displayed.