Extron electronics MAV Plus Series - Page 87

3-43
CrossPoint / MAV Matrix Switchers • Operation
4. PressandreleasetheView(
<
)buttononce(gure3-62)todecreasetheinput
audio level by 1 dB.
 PressandreleasetheView(
<
)buttonseveralmoretimes(gure3-62)to
decrease the input audio level by 1 dB per button press. Note the output
button indication changes that occur each time the View (
<
) button is pressed.
 Figure3-62showstheresultofpressingtheView(
<
) button a total of nine
times. Note that the level is now displayed in red to indicate a negative level.
1 2 3 4 5 6 7 8 15 16
17 18 19 20 21 22 23 24 31 32
O
U
T
P
U
T
S
VIEW
•
•
•
Press the View button to decrease the input
audio level by 1 dB per button push.
The output buttons display the selected input's
audio level and polarity (gain or attenuation).
Each output button indicates 1 dB when lit.
When the buttons are lit green, they indicate a
gain (+) audio level.
When the output buttons are lit red, they
indicate an attenuation (-) level.
In this example, the output buttons display an
audio attenuation level of -1 dB.
Red
Unlit
Unlit
Figure 3-62 — Adjust the input audio level
 Figure3-63showsthesamelevel(–1dB)asingure3-62,butdisplayedona
16-output-buttonswitcher,suchasaMAVPlus1616A.
1
2
3
4
5
6 7
8
9
15
16
OUTPUTS
In this example, the output buttons display an audio gain level of -1 dB.
Blinking
Red
Unlit
Figure 3-63 — Level display on a 16-output-button switcher
 Figure3-64showsthesamelevel(–1dB)asingure3-62,butdisplayedona
8-output-buttonswitcher,suchasaCrossPointUltra128HVA.
1
2
3 4
5
6
7
8
OUTPUTS
In this example, the output buttons display an
audio gain level of -1 dB.
Slowly
Blinking Red
Unlit
Figure 3-64 — Level display on a 8-output-button switcher