Extron electronic MAV Plus Series Viewing and adjusting the input audio level audio models\⤀

Operation, cont’d

Viewing and adjusting the input audio level (audio models\⤀

On models with audio, the audio level of each input can be displayed and adjusted through a range of -18 dB to +24 dB to ensure that there is no noticeable volume difference among sources (figure 3-56). The audio level can be adjusted from the front panel or under serial port or Ethernet control. The default audio level is 0 dB.

dBu	VU
+24	21
+21	18
+19	15
+16	12
+13	9
+10	6
+7	3	Audio
+4	0
+1	-3	Inputs
-2	-6
-5	-9
-8	-12
-12	-15
-15	-18
-18	-21

Low Audio

Output Level

dBu	VU
+24	21
+21	18
+19	15
+16	12
+13	9
+10	6
+7	3	Audio
+4	0
		Inputs
+1	-3
-2	-6
-5	-9
-8	-12
-12	-15
-15	-18
-18	-21

VCR

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32

CROSSPOINT PLUS SERIES SWITCHER WITH ADSP

Crosspoint 450 Plus 3232

dBu	VU
+24	21
+21	18
+19	15
+16	12
+13	9
+10	6
+7	3
+4	0
+1	-3
-2	-6
-5	-9
-8	-12
-12	-15
-15	-18
-18	-21

Output

Level

Audio System

No noticeable volume differences between sources

High Audio
Output Level	CD Jukebox

Figure 3-56 — Audio gain and attenuation

1. Press the Esc button to clear any input buttons, output buttons, or control buttons that may be lit.

2. To enter Audio mode, press and hold the Audio button until the button begins to blink red, then release the button.

3. Press and release an input button to select an input. The output buttons display the audio level and polarity (+ or –) for the selected input; the more output LEDs lit, the greater the gain or attenuation. Green output buttons indicate a gain (+) audio level and red output buttons indicate an attenuation

(–) level.

Audio gain and attenuation is displayed differently on different models.

•Switchers with 32 output buttons — Each output button indicates 1 dB when lit. See the table on page 3-40.

•Switchers with 16 output buttons — Each output button indicates 1 dB when blinking and 2 dB when lit. See the table on page 3-41.

•Switchers with 8 output buttons — Each output button indicates 1 dB when blinking slowly, 2 dB when blinking quickly, and 3 dB when lit.

See the table on page 3-41.

4. Press and release the Esc (>) and View (<) buttons to increase and decrease the audio level.

3-38 CrossPoint / MAV Matrix Switchers • Operation