Extron Electronics MTPX Plus 6400 Series User Guide - Manual (Page 52)

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 17). The audio level can be adjusted from the front panel or under remote control.
The default audio level is 0 dB.
Audio
Inputs
Audio
Inputs
VCR
No noticeable
volume differences
between sources
Audio System
CD Jukebox
MTPX Plus 6464
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
PRIMARY 1 2 REDUNDANT 1 2
MTPX PLUS SERIES MTP MATRIX SWITCHER
CONTROL
ENTER PRESET VIEW ESC AUDIO VIDEO
I/O
POWER SUPPLY CONFIG
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13
I
N
P
U
T
S 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 29
33 34 35 36 37 38 39 40 41 42 43 44 46 47 48 45
49 50 51 52 53 54 55 56 57 58 59 60 62 63 64 61
1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 13
O
U
T
P
U
T
S 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 29
33 34 35 36 37 38 39 40 41 42 43 44 46 47 48 45
49 50 51 52 53 54 55 56 57 58 59 60 62 63 64 61
Figure 17. 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:
z z
Each output button indicates 1 dB of gain or attenuation when lit.
z z
Green output buttons indicate a gain (+) audio level.
z z
Red output buttons indicate an attenuation (–) level.
4. Press and release the Esc ( > ) and View ( < ) buttons to increase and decrease the audio
level.
5. Press and release the Audio button to exit the Audio mode. The Audio button stops
blinking.
NOTES: • Pressing the Enter or Preset button also exits Audio mode. Pressing the
Preset button changes to Recall Preset mode.
• There is one audio level setting per input. The audio level setting is shared
by the left and right audio inputs.
• The audio level settings are stored in non-volatile memory. When power
is removed and restored, the audio level settings are retained.
• Exiting Audio mode by pressing the Audio button always returns the I/O
configuration to video and audio selected for configuration (Video and
Audio buttons lit).
MTPX Plus 6400 Series Matrix Switchers • Operation 46