About front panel

See Image 4–1 for an illustration of the front panel of Event Master E2 (and E2 Jr.) and S3–4K (and S3–4K Jr.) series processors. See Image 4–2 for an illustration of the front panel of the Event Master EX processor.

Chassis Handles

Two Chassis Handles are provided for ease of installation and transportation.

Note: When transporting the chassis by its handles, do not set it down with the rear connectors towards the ground. If you do, you may damage the rear connectors.

Display screen

The 4-line x 24-character screen shows all Event Master processors menus, sub-menus, and messages. The display is dimmable.

At system startup, or when no menu buttons are selected, the screen displays the Status Menu. The following illustration shows a sample Status Menu. For information about the contents of this menu, refer to the chapter titled “Front Panel Menu orientation”.

Menu navigation controls

The navigation in the menus is assumed by three controls:

	Turn the ADJUST knob to scroll through the menu items on the screen. Turn the knob counter-clockwise to scroll down. Turn the knob clockwise to scroll up. A navigation cursor (>) to the left of a menu item indicates the position of the scroll bar, as shown in the following illustration.
	Press the SEL button to: Enter the Setup Menu tree from the Status Menu Select the menu item indicated by the navigation cursor Change or accept a parameter Answer Yes to menu queries
	Press the ESC button to exit a menu without making changes, to cancel an operation, to answer No to menu queries, or to return to the Status Menu. Each press takes you back up the menu tree one level.

Power ON/OFF button

This button switches the unit on and off.

USB port

The USB port is provided to support uploading and downloading system configurations and upgrading Event Master series processors firmware.