6.2 The main menu

The menu mode lets you view and change some ACU settings. From the display mode, you enter the menu by pressing the key enter.gif . To leave the menu, repeatedly press the key clear.gif until the display screen appears again. If there are no keystrokes for 30 minute, the ACU automatically leaves the menu and returns to display mode. The menu structure is shown below:

To navigate in the menu, use udarrows.gif . To select a menu press enter.gif . Pressing clear.gif once returns to the main menu level, pressing it twice returns to display mode.