Extron electronic MVX 88 Series manual N On 4-output switchers, this button and LED stand alone

I	Audio Setup LED — The Audio Setup LED lights red to indicate that the
	switcher is in Audio Setup mode. See “Adjusting input audio gain and
	attenuation” on page 3-18.
	Alternate IR error function — The Audio Setup LED also indicates errors
	when you use an IR 501 small matrix remote control. The LED lights for
	approximately 1 second when the switcher receives an unexpected or out-
	of-sequence IR command from the remote control. The switcher otherwise
	ignores the command.
J	Down (<) button and LED — The < button decreases the audio gain for a
	selected input. Press and release the button to decrease the gain by 1 dB or
	press and hold the button to decrease the gain by 3 dB per second until the
	button is released or the lower limit is reached.

NOn 4-output switchers, this button and LED stand alone.

On 8-output switchers, this button and LED are secondary functions of the Output 7 button and LED.

	The < LED flashes once in Audio Setup mode to indicate each 1 dB decrease in
	the input audio gain. See “Adjusting input audio gain and attenuation” on
	page 3-18.
	The < LED lights steadily in Audio Setup mode to indicate that the adjustment
	has reached the maximum attenuation (-18 dB).
K	Up (>) button and LED — The > button increases the gain for a selected
	input. Press and release the button to increase the audio level by 1 dB or press
	and hold the button to increase the audio level by 3 dB per second until the
	button is released or the upper limit is reached.

NOn 4-output switchers, this button and LED stand alone.

On 8-output switchers, this button and LED are secondary functions of the Output 8 button and LED.

The > LED flashes once in Audio Setup mode to indicate each 1 dB increase in the input audio gain. See “Adjusting input audio gain and attenuation” on page 3-18.

The > LED lights steadily in Audio Setup mode to indicate that the adjustment has reached the maximum gain (+10 dB).

PRELIMINARY

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 3-5