Extron electronic MVX 44, MVX 88, 48 NOTES On 4-output switchers, this button and LED stand alone

iAudio 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 23.

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.

jDown (<) 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.

NOTES: • On 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 23.

The < LED lights steadily in Audio Setup mode to indicate that the adjustment has reached the maximum attenuation (-18 dB).

kUp (>) 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.

NOTES: • On 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 23.

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

MVX 44 / 48 / 84 / 88 VGA Matrix Switchers • Operation 11