8250A Optical Power Meter Operation Manual
4.6.2 Remote Command List
4-25
Instru-
ment cali-
bration
Calibration exe-
cution
XPC
data
data: Setting range:
999.999E-3ERR
Bit 7 is set to 1 if the calibration value
is not converged.
The execution time is approximately 3
seconds.
*6
IV offset calibra-
tion execution
XIVC0
Acquires the reference data for the IV
offset cancel calibration.
Execution time is approximately 3 sec-
onds.
XIVC1
Executes the IV offset cancel calibra-
tion.
ERR Bit 7 is set to 1 if the calibration
value is not converged.
Execution time is approximately 18
seconds.
*6
IV offset setting
XIV data
data: Setting value Setting range: 0 to
255
Sets the parameter as the calibration
data and in the DAC.
*6
Query
XIV?
Reply: XIVddd
Gain data direct
setting
(on RAM)
XGN rng,
data
rng: Range Setting range: 4 to 11
data: Gain data
Setting range: 0.50000 to 1.50000
*6
Gain data read-
ing (on RAM)
XGN? rng rng: Range Setting range: 4 to 11
Reply: XGNr,
d.ddddd
*6
Offset data direct
setting (on
RAM)
XOF rng,
data
rng: Range Setting range: 4 to 11
data: Offset data
Setting range:
20000
*6
Offset data read-
ing (on RAM)
XOF? rng rng: Range Setting range: 4 to 11
Reply: XOFr,
ddddd
*6
Calibration date
setting
DATE
yyyy,mm,
dd
yyyy: 0000 to 9999 mm: 1 to 12
dd: 1 to 31
*6
DATE?
Query reply: DATEyyyy,mm,dd
*6
Calibration data
saving
XWR
Writes the calibration data into the non-
volatile memory.
*6
Calibration data
initialization
XINI rng
rng: Range Setting range: 0, 4 to 11
If setting to 0, all ranges are initialized.
IV offset calibration data cannot be ini-
tialized.
*6
*6:
Available only in the calibration mode
Table 4-7 Remote Command List (7 of 7)
Item
Command
Description
Initial value
I/F
Availability
Power
ON
Factory
default
GPIB
USB
Compa
tible
mode
Calibra
tion
mode
Err2
