Extron electronic 450 manual Level Display on a 8-output-button Switcher

Figure 41 shows the same level (+8 dB) as in figure 39, but displayed on an 8-output-button switcher, such as a MAV Plus 84 HDA.

Flashing fast

1	2	3	4	5	6	7	8
			OUTPUTS

In this example, the output buttons display an audio gain level of +8 dB.

Figure 41. Level Display on a 8-output-button Switcher

4.Change the audio level: Press and release the View (<) button once (see figure 42) to decrease the input audio level by 1 dB.

Press and release the View (<) button several more times (see figure 42) to decrease the input audio level by 1 dB per button press. Note the output button indication changes that occur each time the View (<) button is pressed.

Figure 42 shows the result of pressing the View (<) button a total of nine times, an audio attenuation level of –1 dB. 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
											• The output buttons display the audio level and
												polarity (gain or attenuation) of the selected
											• input.
										O		Each output button indicates 1 dB when lit.
1	2	3	4	5	6	7	8	15	16			When the buttons are lit green, they indicate a
										T
										U		gain (+) audio level.
										P		When the output buttons are lit red, they
												indicate an attenuation (-)level.
17	18	19	20	21	22	23	24	31	32	U	•
										T		In this example, the output buttons display an
										S		audio attenuation level of -1 dB.

Figure 42. Adjust the Analog Input Audio Level

Figure 43 shows the same level (–1 dB) as in figure 42, but displayed on a 16-output-button switcher, such as a MAV Plus 1616 A.

Blinking

1 2 3 4 5 6 7 8 9 15 16

OUTPUTS

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

Figure 43. Level Display on a 16-output-button Switcher

Figure 44 shows the same level (–1 dB) as in figure 42, but displayed on a 8-output-button switcher, such as a CrossPoint Ultra 128 HVA.

Slowly Blinking

1 2 3 4 5 6 7 8

OUTPUTS

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

Figure 44. Level Display on a 8-output-button Switcher

CrossPoint and MAV Series Matrix Switchers • Operation 67