Extron electronic MPX Plus 866 A manual 2 3 4 5 9 10 11

4. Change the audio level: Press and release the View (<) button once to decrease the input audio level by 1 dB.

Press and release the View (<) button several more times to decrease the input audio level by 1 dB per push of the button. Note the output button indication changes that occur each time the View (<) button is pressed.

The figure below shows the result of pressing the View (<) button a total of 9 times. Note that the level is now displayed in red to indicate a negative level.

Press the View button to decrease the input audio level by 1 dB per button push.

VIEW

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COMPUTER/AUDIO OUTPUTS VIDEO OUTPUTS

The output buttons display the selected input’s audio level and polarity (gain or attenuation).

•Each output button indicates 1 dB when blinking slowly, 2 dB when blinking quickly, and 3 dB when lit.

When the buttons are lit green, they indicate a gain (+) audio level. When the output buttons are lit red, they indicate an attenuation (-)level.

•In this example, the output buttons display an audio attenuation level of -1 dB.

5. Deselect Audio mode: Press and release the Audio button.

Press the Audio button to exit audio mode.

I / O

The Video button	VIDEO	AUDIO	The Audio button stops
lights green.
			blinking and lights.

All input buttons and output buttons return to unlit or background illumination.

PRELIMINARY

MPX Plus 866 A Media Presentation Matrix Switcher • Operation 3-37