Extron electronic MAV Plus manual 1718192021222324 2526 O, Operation, cont’d, 1 2 3 4 5 6 7 8 9

Operation, cont’d

3.Press and release the input 5 button (figure 3-56).

Press and release the Input 5 button.

The button lights green.

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Green Green Green Green Green Green Green Green

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The output buttons display the selected input's audio level and polarity (gain or attenuation). Each output button indicates 0.5 dB when flashing and 1 dB when lit steadily.

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 gain level of +8 dB.

= Unlit button

Figure 3-56 — Select an input

4.Press and release the View (<) button once (figure 3-57) to decrease the input audio level by 0.5 dB.

Press and release the View (<) button several more times (figure 3-57) to decrease the input audio level by 0.5 dB per push. Note the output button indication changes that occur each time the View (<) button is pressed.

Figure 3-57 shows the result of pressing the View (<) button a total of 17 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 0.5 dB per push of the button.

VIEW

Red

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The output buttons display the selected input's audio level and polarity (gain or attenuation). Each output button indicates 0.5 dB when flashing and 1 dB when lit steadily.

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 -0.5 dB.

= Unlit button

= Blinking button

Figure 3-57 — Adjust the input audio level

3-34 CrossPoint 450 Plus and MAV Plus Switchers • Operation