Extron Electronics MPX 866 A User Guide - Manual (Page 46)

Viewing and Adjusting the Input Audio Level
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 (see figure 16). The
audio level can be adjusted from the front panel or under RS-232 or Ethernet control.
Audio
Inputs
Audio
Inputs
VCR
No noticeable
volume differences
between sources
Audio System
CD Jukebox
MPX 866 A
Media Presentation Switcher
0
-3
-6
-9
-12
-15
Low Audio
Output Level
+4
+1
-2
-5
-8
-12
-18
-21 -15
-18
3 +7
6 +10
9 +13
12 +16
15 +19
18 +21
21 +24
VU dBu
0
-3
-6
-9
-12
-15
High Audio
Output Level
+4
+1
-2
-5
-8
-12
-18
-21 -15
-18
3 +7
6 +10
9 +13
12 +16
15 +19
18 +21
21 +24
VU dBu
0
-3
-6
-9
-12
-15
Output
Level
+4
+1
-2
-5
-8
-12
-18
-21 -15
-18
3 +7
6 +10
9 +13
12 +16
15 +19
18 +21
21 +24
VU dBu
AUDIO VIDEO
I/O CONTROL
ENTER PRESET VIEW ESC
PRESENTATION MATRIX SWITCHER MPX 866 A
CONFIG
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8 9 10 11 12
9 10 11 12 13 14 COMPUTER INPUTS VIDEO INPUTS
VIDEO OUTPUTS COMPUTER/AUDIO OUTPUTS
Figure 16. Audio gain and attenuation
MPX 866 A Media Presentation Matrix Switcher • Operation 41