8250A Optical Power Meter Operation Manual
3.4.1 Backing Up Parameters
3-7
Figure 3-4 Outline of the Parameter Backup
Common
parameter
Interface (GPIB/USB)
GPIB
GPIB address (USB-ID)
1
Header ON/OFF
ON
Addressable/Talk-Only
Addressable
Key lock
OFF
Parameters loaded when the
power turns on
Saves settings when the
power turns off
Parameters to
not be saved
Block delimiter
CRLF+EOI
Status (SRE, ESE, DSE)
0
dBr calculation
OFF
RATIO calculation
OFF
Display OFF/ON
ON
Calibration mode
OFF
Table 3-1 Initial Values of the Parameters and Backup (2 of 2)
Parameter
Value when shipping
(Initial value)
Backup
Saving or
loading
parameters
Volatile memory
Parameters which are
backed up
Parameters which are not
backed up
(initialized when the
power turns on.)
Parameter
Save/Load operation
Saves when the power turns off
Loads when the power turns on (selectable)
(Initial value)
Nonvolatile flash memory
Backup area
USER-0 area
USER-1 area
USER-2 area
USER-3 area