7-12
ECL-210 Operation Manual
9-4Å@îgí
∑
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NOTE
NOTE
LD.ON
APC.ON
COH.ON
STATUS
1
LD
APC
COH
CURR
TEMP
POWER WAVE
FINE
MODE
2
3
4
5
6
7
8
CHANNEL
CHANNEL
When ECL is turned ON, current is not supplied to LD because of protection circuit.
Therefore, to drive LD, it is necessary to supply current unto the LD by key operation from
MLS or by communication control.
ECL operates in either APC (automatic power control) mode or ACC (automatic current
control) mode. In the APC mode, the optical output power can be set and the injection cur-
rent information is fed back so that the optical power is kept at the set value. In the ACC
mode, control is made using the predetermined amount of injection current.
7.8.1. Driving LD
When the LED is lit in the [LD.ON] line of the Matrix LD to operate, that LD is driving.
When the LED is not lit, drive the LD as the following procedure.
1) Select the target unit to drive LD on MLS. (Refer 9-4. Selecting a unit in MLS)
2) Set the MODE LD using [MODE] key.
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