Extron electronic MTPX Plus Series manual Operation, cont’d, 1 2 3 4 5 6 7 8, 53 - Select an input

Operation, cont’d

3. Press and release the Input 5 button (figure 3-53).

Press and release the Input 5 button.

The button lights green.

1	2	3	4	5	6	7	8	15 16	I
									N
									P
									U
17	18	19	20	21	22	23	24	31 32	ST

The output buttons display the selected input’s audio level and polarity (gain or attenuation).

•Each output button indicates 1 dB when lit.

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.

GreenUnlit

1 2 3 4 5 6 7 8 16

17 18 19 20 21 22 23 24 32

O U T P U T S

Unlit

Figure 3-53 — Select an input

Figure 3-54 shows the same level (+8 dB) as in figure 3-53, but displayed on a 16-output-button switcher, such as an MTPX Plus 816.

Green Unlit

1 2 3 4 5 6 7 8 9 16

OUTPUTS

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

Figure 3-54 — Level display on a 16-output-button switcher

4. Press and release the View (<) button once (figure 3-55) to decrease the input audio level by 1 dB.

Press and release the View (<) button several more times (figure 3-57) 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 3-55 shows the result of pressing the View (<) button a total of nine times. Note that the level is now displayed in red to indicate a negative level.

3-38 MTPX Plus Twisted Pair Matrix Switchers • Operation