Extron electronic MTPX Plus Series manual Operation, cont’d

Operation, cont’d

NIf the switcher has fewer inputs or outputs than input or output buttons, only the buttons for which the switcher has an input or output select and identify that input or output.

A	Input buttons — The input buttons have two primary functions (•) and six
	secondary functions (❏):
	•	Select an input.
	•	Identify the selected input.
	❏	(Input 1 only) With the Output 1 button, select I/O Group mode. See
		“I/O grouping” on page 3-23.
	❏	Assign an input to the selected group in I/O Group mode and indicate its
		assignment. See “I/O grouping” on page 3-23.
	❏	Select a preset. See “Using presets” on page 3-28.
	❏	Display the output volume level. See “Viewing and adjusting the local
		output volume” on page 3-40.
	❏	Select and identify the audio/RS-232 wire pair as audio (unlit) or
		RS-232 (lit) in Serial Port and Audio/RS-232 Input Configuration mode. See
		“Defining the audio/RS-232 wire pair” on page 3-49.
	❏	(Input 1 and Input 2 only) Toggle background illumination of the buttons
		on and off. See “Background illumination” on page 3-48.
B	Output buttons — The output buttons have two primary functions (•) and
	five secondary functions (❏):
	•	Select output(s).
	•	Identify the selected output(s).
	❏	(Output 1 only) With the Input 1 button, select I/O Group mode. See
		“I/O grouping” on page 3-23.
	❏	Assign an output to the selected group in I/O Group mode and indicate its
		assignment. See “I/O grouping” on page 3-23.
	❏	Select a preset. See “Using presets” on page 3-28.
	❏	Mute the audio or RS-232 output. See “Muting and unmuting audio/
		RS-232 outputs” on page 3-32.
	❏	Display the audio level of the selected input. See “Viewing and adjusting
		the TP input audio level” on page 3-34.

3-4 MTPX Plus Twisted Pair Matrix Switchers • Operation