Extron electronic 450 manual 10 11

Figure 47 shows the same volume (41.5%) as in figure 45, but displayed on a 12-input- button switcher, such as a CrossPoint Ultra 128 HVA.

Slow blinking button

–39 dB attenuation,

41.5% volume

					INPUTS
1	2	3	4	5	6	7	8	9	10 11 12

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

•In this example, the lit or blinking input buttons indicate 40 to 41.5 percent of the applied audio input.

•The unlit or blinking input buttons indicate an audio volume attenuation of 39 dB to 40 dB.

Figure 47. Volume Display on a 12-input-button Switcher

NOTE: Volume is protected when front panel Lock mode 2 is selected. You can view the volume in Lock mode 2 but you cannot change it from the front panel (see Setting the Front Panel Locks (Executive Modes) on page 75).

If front panel Lock mode 2 is selected and you try to perform step 4, the actions are ignored and the Enter, Video, and Audio buttons flash.

4.Change the volume: Press and release the Esc (>) button once (see figure 48) to increase the volume by 1.5%.

Press and release the Esc (>) button several more times (see figure 48) to increase the volume by 1.5% per button press. Note the input button indication changes that occur each time the Esc (>) button is pressed and released.

NOTE: 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 48 show the result of pressing the Esc (>) button a total of 13 times. In

figure 48, figure 49, and figure 50, the lit or blinking input buttons indicate 61 percent of the applied audio input. The unlit input buttons indicate an audio volume attenuation of 26 dB.

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.

1	2	3	12 13	14	15	16	I
							N
							P
							U
17	18	19	28 29	30	31	32	ST

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 48. Adjust the Output Audio Volume

CrossPoint and MAV Series Matrix Switchers • Operation 73