Extron electronics Matrix 50 Series User Manual page 30

Operation, cont'd
1 2
1 2
Figure 3-13 — Example 7: Viewing the audio level
A
B
C
D
3-12 Matrix 50 Series Switchers • Operation
LED key: = off (value 0 dB),
5
C
INPUTS
3 4 5 6 7 8 9
3 4 5 6 7 8
OUTPUTS
C
+8dB
Press and release the Esc button. The Esc LED turns on for approximately 2
seconds and turns off.
Press and hold the Audio button for approximately 2 seconds until the
Audio LED begins to blink, then release the Audio button.
Press 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 (
( ) 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.
Press and release the View ( ) button
once to decrease the audio level
displayed by the output LEDs by 1dB.
Press and release the View ( ) button
several more times to decrease the audio
level displayed by the output LEDs by
an additional 1dB per button push.
Note the output LED, View LED, and
Esc LED changes that occur each time
the View ( ) button is pressed and
released. Figure 3-14 shows the result
of pressing the View ( ) button a total
of 9 times. Note that the Esc (
has turned off and that the View (
LED is blinking to indicate a negative
level.
If another input button is pressed
and released, the level value for the
current input is saved and the level
value for the newly selected input is
displayed.
= blinking (value 1dB),
B
= on (value 2dB), = on for 2 seconds, then off
2
C
10 11 12
ENTER
) or View
dB 1 2
+9
+8
+7
+6
+5
+4
+3 B
+2
B
+1
0
-1 B
-2
-3 B
-4
-5
) LED
-6
)
-7
-8
-9
-10
-11
-12
-13
-14
-15
B
B
B
AUDIO
CONTROL I/O
PRESET VIEW ESC VIDEO AUDIO
2
A
ESC
Matrix 50 with audio
Output LED View Esc
3 4 5 6 7 8
B
B
B
B B
B
B B
B
B
B
B
B
B
B
B
B
B B
B
B B
B
B B
B
B B
B
B B
B
B B