B
B
T
T
E
E
A
A
S
S
e
e
r
r
i
i
e
e
s
s
U
U
s
s
e
e
r
r
M
M
a
a
n
n
u
u
a
a
l
l
O
O
p
p
t
t
i
i
c
c
a
a
l
l
A
A
m
m
p
p
l
l
i
i
f
f
i
i
e
e
r
r
R
R
e
e
v
v
.
.
0
0
0
0
5
5
P
P
a
a
g
g
e
e
5
5
o
o
f
f
1
1
5
5
4. LCD Display
The LCD screen in the front panel is to show the detail information of EDFA. Press the
blue key to show these parameters circularly.
