Extron electronic Viewing and adjusting the audio level, Matrix 50 Series Switchers Operation

Viewing and adjusting the audio level

The audio level of each input can be displayed and adjusted through a range of -15dB to +9dB to ensure that there is no noticeable volume difference among sources. The audio level can be adjusted from the front panel or by using Extron’s Windows-based control program.

1. Press and hold the Audio button until the Audio LED begins to blink, then release the Audio button.

2. Press and release an input button to select an input. The audio level for the selected input is displayed by the output LEDs and the polarity (+ or -) is displayed by the view or Esc LEDs.

3. Press and release the Esc () and View () buttons to increase and decrease the audio level.

4. Press and release the Audio button to exit the audio display and adjustment mode. The Audio LED stops blinking and turns off.

1. There is one audio level setting per input. The audio level setting is shared by the left and right audio inputs.

2.The audio level settings are stored in non-volatile memory. When power is removed and restored, the audio level settings are retained.

Example 8: Viewing and adjusting an audio level

See figure 3-14 and figure 3-15 and the following steps for an example of viewing and adjusting the audio level on a 12x8

Matrix 50 switcher with audio.

APress and release the Esc button. The Esc LED flashes once.

BPress and hold the Audio button for approximately 2 seconds until the Audio LED begins to blink, then release the Audio button.

CPress and release the input 5 button. The input 5 LED lights. The audio level for the selected input is displayed by the output LEDs. The polarity is indicated by either the Esc () or View () LED blinking.

Each output LED indicates 1dB when blinking and 2dB when lit.

The blinking Esc () LED indicates a positive (gain) level. The blinking View () LED indicates a negative (attenuation) level.

			Matrix 50 with audio
				Output LED					View Esc
dB	1	2	3	4	5	6	7	8
+9					B				B
+8									B
+7				B					B
+6									B
+5			B						B
+4									B
+3		B							B
+2									B
+1	B								B
0									B
-1	B								B
-2									B
-3		B							B
-4									B
-5			B						B
-6									B
-7				B					B
-8									B
-9					B				B
-10									B
-11						B			B
-12									B
-13							B		B
-14									B
-15								B	B

Matrix 50 Series Switchers • Operation 3-13