Front Panel
LASer:DEC
Remote
The LASer:DEC command decrements the selected laser control mode set point
by
one or more
steps.
Optional parameters allow multiple steps to
be
decremented and the time (in
milliseoonds)
between
decrements to
be
set,
respectively.
SYNTAX DIAGRAM
PARAMETERS None.
POINTS OF
INTEREST
The
decremental default amount is one step. The
step
size
can
be
edited via the LAS:STEP
command. LDC-3712 default values
are
0.001/0.002
mA
(501100 mA range), 0.01 mW, or
1
uA
(if
CALMD
=
0), depending on the mode of operation. LDC-3722B default values are
0.01
mA,
0.01 mW, or 1
uA.
LDC-3742B default values are 0.1
mA,
0.1 mW, or 1
uA.
If
the
first
optional parameter is
used,
but not the second, the user
may
decrement the LASER
set point
by
a multiple of the LAS:STEP
size,
without changing the LAS:STEP size.
If
the
both
optional parameters are
used,
the user may create
an
automated stepping ramp
function for the LASER output.
If
the first optional parameter is entered
as
zero, "LAS:DEC
Ow,
the command will do
nothing.
The
minimum
time to complete one decrement is about 10 to 20 mSec. Therefore, values for
the second optional parameter (time between decrements) have
a
practical
minimum
of 20.
EXAMPLES
"LAS:MODE:I; LAS:STEP
3;
LAS:DECM -action: The laser
source
current set point is
decremented
by
0.3
mA
(LDC-3742B), or 0.03
mA
(LDC-3722B), or 0.003
rnA
(LDC-3712
on 50
mA
range), or 0.006
mA
(LDC-37 12 on 100
mA
range).
"LAS:MODE:I; LAS:STEP
3;
LAS:DEC 3" -action: The laser
source
current set point is
decremented by
three
times the amount described in the
first
example.
"LAS:MODE:I; LAS:STEP 3; LAS:DEC 3,5000" -action: The laser source current set point
is decremented by the amount described
in
the
first
example, three times,
with
5
seconds
between
decremental steps.
"LAS:STEP
1;
LAS:Mode:P; Las:DECM -action: The power set point is decremented by
0.1
mW (LDC-3742B) or 0.01 mW (LDC-3722B or LDC-3712).
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