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E3X-DA-S
23
Nomenclature
Operating Procedure
Fiber Amplifier Units
E3X-DA
@R
-S (
@
: 21/51/7/9)
Easy key lock Selector
O
N
w
hen o
u
tp
u
t is O
N
.
OFF
w
hen o
u
tp
u
t is OFF.
APC alarm o
u
tp
u
t
indicator (orange)
Select to lock or
u
nlock settings.
Locks the fi
b
er
u
nit.
Incident le
v
el, f
u
nction, etc.
Threshold, f
u
nction settings, etc.
Use to select SET or RU
N
Mode.
F
u
nction setting
operations
UP
DO
WN
MODE
O
N
w
hen o
u
tp
u
t is O
N
.
OFF
w
hen o
u
tp
u
t is OFF.
Operation Indicator
(orange)
Lock le
v
er
Main Display (Red)
S
ub
-Display (Green)
Mode Selector
Operation Keys
MODE
RUN
MODE
RUN
RUN
Initial stat
u
s
Margin APC
APC margin
displayed in
decrements of 10
%
Margin APC
APC margin of less
than 10
%
Margin APC
ALAT APC
The display s
w
itches
e
v
ery second.
Margin APC
E
N
D APC
The display s
w
itches
e
v
ery 0.5 s.
Displaying the APC Margin
2
Displaying the APC margin can
b
e
u
sef
u
l for planning
maintenance.
W
hen the APC margin is 0
%
,
APC alarm o
u
tp
u
t
w
ill t
u
rn O
N
, and the APC alarm o
u
tp
u
t
indicator
w
ill light regardless of the operation of the APC
margin display.
Set the SET/RU
N
Mode
Selector S
w
itch to RU
N
.
(Factory-set to RU
N
)
Press the MODE Key to
display the follo
w
ing for 10 s.
APC margin is 0
%
.
The display
w
ill ret
u
rn
to the normal display.
Incident le
v
el Threshold
Press the MODE Key
or press nothing for 10 s.
Locking the Keys (Easy Key Lock)
1
Before shipment, all key operation except for the MODE
Keys can
b
e disa
b
led.
Locked
Unlocking
Note:
Do not s
w
itch the lock
w
hile in SET Mode. Doing so
w
ill disa
b
le
changing settings. If the lock is s
w
itched to in SET Mode, ret
u
rn to
the
u
nlock state, and then make the setting again.
Set the SET/RU
N
Mode
Selector S
w
itch to RU
N
.
Set the Easy Key Lock
Selector S
w
itch to Locked .
Locked
Set the Easy Key Lock
Selector S
w
itch to Locked .
Unlocked
Set the Easy Key Lock
Selector S
w
itch to Unlocked .
(Factory-set to RU
N
)
Set the SET/RU
N
Mode
Selector S
w
itch to RU
N
.
(Factory-set to RU
N
)
Basic operating procedures are as given on pages 14 to 18.
For details, refer to the Instruction Manual provided with the product.
This section shows functions specific to the E3X-DA
@
R-S.