Opening the menu and navigating the menu items

To open the main menu:
  1. Press the SET button.
    The first menu item GAIN flashes.

To navigate the menu items:
  1. Press the UP and DOWN buttons.
    The currently active menu item appears in the display.
To open a menu item:
  1. Navigate to the desired menu item until it flashes.
  2. Press the SET button to open the selected menu item.