3-3
IM 703753-01E
Operating Procedure
3
Command Name
Command
Control Description
Set the threshold
RBT_nnnnn
Sets the threshold level for computation in the current
level for the current
measurement range.
range
nnnnn="-2234"
: -22.34 dBm
Returns
OK:RBT_nnnnn
when the process is complete.
Query
RBT?
Returns
RBT_nnnnn
.
Set the range
RNG_nnn
Sets the measurement optical power range.
nnn="-05"
: –5 dBm,
nnn="-15"
: –15 dBm,
nnn="-25"
: –25 dBm,
nnn="-35"
: –35 dBm
Returns
OK:RNG_nnn
when the process is complete.
The default value is –5 dBm range.
Upper limit: –3.5 dBm or more at –5 dBm range
: –13.5 dBm or more at –15 dBm range
: –23.5 dBm or more at –25 dBm range
: –33.5 dBm or more at –35 dBm range
Query
RNG?
Returns
OVER
, if the peak power value exceeds the upper
limit.
Set the optical power
UPR_nnn,
Sets and saves the optical power compensation value for
compensation data
nnn, nnn,
each range.
nnn
nnn="112"
:
×
1.12
The selectable range is from
×
0.00 to
×
9.99.
Returns
OK:UPR_nnn,nnn,nnn,nnn
when the process is
complete.
The default value is
×
1.
Query
UPR?
Returns
UPR_nnn,nnn,nnn,nnn
.
Set the interval
TIM_nnn
Sets the measurement interval in milliseconds.
nnn="020"
: 20 ms intervals
Returns
OK:TIM_nnn
when the process is complete.
Measurement repeat interval
If the measurement interval cannot be kept such as when
the average count is large, the specified interval is ignored.
The default value is 10 ms.
The selectable range is 10 to 990 ms (in 10 ms steps).
Query
TIM?
Returns
TIM_nnn
or
TIS_nnn
.
Set the interval
TIS_nnn
Sets the measurement interval in unit of seconds.
(1 s or more)
nnn="060"
: 60 s intervals
Returns
OK:TIS_nnn
when the process is complete.
The default value is 1 s.
The selectable range is 1 to 360 s (in 1-s steps).
Query
TIS?
Returns
TIS_nnn
or
TIM_nnn
.
Set the number of
PNM_nnn
Sets the maximum number of output waves.
output FBG
nnn=
"
040"
: Set the maximum output wave number to 40.
(spectrum) data
The selectable range is 000 to 100 waveforms.
Returns
OK: PNM_nnn
when the process is complete.
The default value is 40 waveforms.
Set the bandwidth
MBW_nnnn
Sets the total width of the wavelengths used in the center
wavelength computation (see the figure on the page 3-5).
nnnn="0700"
: 700 pm
Returns
OK:MBW_nnnn
when the process is complete.
The default values and selectable ranges are as follows:
Default value
800 pm
Selectable range
200 pm to 2.000 nm
Query
MBW?
Returns
MBW_nnnn
.
Set the peak condition
MBL_nnn
Sets the minimum value of the maximum power difference
in the computation bandwidth used to detect peaks (see the
figure on the page 3-5).
nnn="400"
: 4.00 dB
Returns
OK:MBL_nnn
when the process is complete.
The default values and selectable ranges are as follows:
Default value
4.00 dB
Selectable range
0.00 dB to 9.99 dB
Query
MBL?
Returns
MBL_nnn
.
3.2 Commands