Extron electronic MTPX Plus Series manual 10 11 13 14 15

Operation, cont’d

Figure 3-61 shows the same volume (41.5%) as in figure 3-61, but displayed on a 16-input-button switcher, such as an MTPX Plus 1616.

					Blinking button
					–39 dB attenuation,
					41.5% volume
							INPUTS
1	2	3	4	5	6	7	8	9	10 11 12	13 14 15 16
		Lit button							Unlit button

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

•In this example, the lit/blinking input buttons indicate 41.5 to 44.5 percent of the applied audio input.

•The unlit/blinking input buttons indicate an audio volume attenuation of 37 dB to 39 dB.

Figure 3-61 — Volume display on a 16-input-button switcher

NVolume 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 3-46.

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. Press and release the Esc (>) button once (figure 3-62) to increase the volume by 1.5%.

Press and release the Esc (>) button several more times (figure 3-62) 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.

NYou 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 3-62 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.

1 2 3 12 13 14 15 16 NI

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 that 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 3-62 — Adjust the output audio volume

3-44 MTPX Plus Twisted Pair Matrix Switchers • Operation