Channels are the attributes displayed in the Channel Box. The Channel Box provides a convenient way to edit a character set’s channels.
To edit all attributes, use the Attribute Editor (see Edit character attributes).
To edit channels with the Channel Box
 -click
            and move the mouse to the left or right. By moving the mouse, you
            interactively change the value of the selected channel. As you move
            the mouse, note that pressing the
-click
            and move the mouse to the left or right. By moving the mouse, you
            interactively change the value of the selected channel. As you move
            the mouse, note that pressing the  key will
            give you finer control, and pressing the
 key will
            give you finer control, and pressing the  key
            will give you less control.
 key
            will give you less control.