Extron electronic 450 Plus Series manual 3 12 13 14 15 16 N 17 18 19 28 29 30 31 32 ST

4. Press and release the Esc () button once (figure 3-71) to increase the volume by 1.5%.

Press and release the Esc () button several more times (figure 3-71) to increase the volume by 1.5% per button push. Note the input button indication changes that occur each time the Esc () button is pressed and released.

You can press and hold the Esc () or View () button to ramp the level up or down by 3 dB per second to the high or low limit.

Figure 3-71 show the result of pressing the Esc () button a total of 13 times.

Press the Esc button

ESC

Decrease the audio attenuation (thereby increasing the audio level) that is applied to the output volume level by 1 dB per button push.

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26 dB attenuation,

61% volume

•The input buttons display the selected output's audio volume level.

•Each lit input button beyond input 1 indicates 3 percent of the total input volume is applied to the output.

•In this example, the green input buttons display 61 percent of the applied audio input.

•The unlit input buttons indicate an audio volume attenuation of 26 dB.

Figure 3-71 — Adjust the output audio volume

Figure 3-72 shows the same volume (61%) as in figure 3-71, but displayed on a 12-input-button switcher, such as a CrossPoint 450 Plus 450 128 HVA.

					Fast Blinking Button
					-26 dB attenuation
					61% volume
1	2	3	4	5	6	7	8	9	10 11 12
		Lit Buttons						Unlit Buttons

•The input LEDs display the selected output’s audio volume level.

•In this example, the lit/blinking input buttons indicate 59.5 to 61 percent of the applied audio input.

•The unlit/blinking input buttons indicate an audio volume attenuation of 26 dB to 27 dB.

Figure 3-72 — Volume display on a 12-input-button, 8-output button switcher

CrossPoint 450 Plus and MAV Plus Switchers • Operation 3-47