O P E R A T I O N S
Operating from the Front Panel
22
LDC-3700 Series
C H A P T E R
2
this function). The maximum
LIM P
value is 100.0 mW (LDC−3714B), 500.0 mW (LDC−3724B), and
5000 mW (LDC−3744B).
Also, in constant power mode the LASER current limit and voltage limit values are in effect. Refer to
the discussion on page 8 which describes how to set these limits.
Now the instrument is configured to operate in Constant Power Mode. In the
LASER
MODE
section,
enable the output of the laser current source by depressing the
OUTPUT
push button once. The
accompanying led labeled
ON
will illuminate indicating that the laser output is on and current is
being driven to the laser. The Controller’s laser source will drive the laser to the Constant Power set
point and maintain closed loop control with the PD current measurement.
ON
OUTPUT
I
HBW
P
I
SELECT
LASER MODE
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