SPL Phonitor 2 - VU Meter Operation; Meter Functionality and Calibration

23
VU meters
The VU meters () display the input levels for the selected source. The meter indicates levels from - dB to + dB.
 dB corresponds to + dBu.
The ballistics of the VU meters guarantee an optimal visual perception. The
time calibration of the VU meters complies with the requirements of the
BBC. The rise time up to  dB is about  ms.
Attenuate the sensitivity of the VU meters
With the VU Cal switch () you can lower the sensitivity by  or  dB so that the meters go up
to + dB intput level if the switch is set to “+”.
20
0
%
–
+
30
50
70
100
10
7
5 3
1
0
3
5
VU
20
0
%
–
+
30
50
70
100
10
7
5 3
1
0
3
5
VU
VU Cal
L
a
t
e
r
a
l
i
t
y
+6dB
+12
Mono
Stereo
IR
0
V
o
l
u
m
e
M
I
N
2
3
4
5
M
A
X
Cr/A All
Output
120 V Audio Rail Preamplifier
Headphone Monitoring Amplifier
Matrix
Ø
L R
OffMute
L R
Off
Off
-
9
7
-
5
9
-
5
0
-
4
2
-
3
5
-
2
9
-
2
5
-
2
1
-
1
9
-
1
7
-
1
6
-
1
5
-
1
4
-
1
2
-
1
0
-
8
-
6
-
4
-
2
-
1
0
Source
RCA
XLR 1
XLR 2
C
e
n
t
e
r
-
2
.
0
-
1
.
6
-
1
.
2
-
0
.
9
-
0
.
6
-
0
.
3
C
r
o
s
s
f
e
e
d
1
5
°
2
2
°
3
0
°
4
0
°
5
5
°
7
5
°
A
n
g
l
e
L
e
f
t
C
e
n
t
e
r
R
i
g
h
t
Solo
Model 1280 • Made in Germany
Phonitor 2
20
0
%
–
+
30
50
70
100
10
7
5 3
1
0
3
5
VU
20
0
%
–
+
30
50
70
100
10
7
5 3
1
0
3
5
VU
VU Cal
L
a
t
e
r
a
l
i
t
y
+6dB
+12
Mono
Stereo
IR
0
V
o
l
u
m
e
M
I
N
2
3
4
5
M
A
X
Cr/A All
Output
120 V Audio Rail Preamplifier
Headphone Monitoring Amplifier
Matrix
Ø
L R
OffMute
L R
Off
Off
-
9
7
-
5
9
-
5
0
-
4
2
-
3
5
-
2
9
-
2
5
-
2
1
-
1
9
-
1
7
-
1
6
-
1
5
-
1
4
-
1
2
-
1
0
-
8
-
6
-
4
-
2
-
1
0
Source
RCA
XLR 1
XLR 2
C
e
n
t
e
r
-
2
.
0
-
1
.
6
-
1
.
2
-
0
.
9
-
0
.
6
-
0
.
3
C
r
o
s
s
f
e
e
d
1
5
°
2
2
°
3
0
°
4
0
°
5
5
°
7
5
°
A
n
g
l
e
L
e
f
t
C
e
n
t
e
r
R
i
g
h
t
Solo
Model 1280 • Made in Germany
Phonitor 2