Appendix B 229
Information for Replacing 4278A with 4288A
Functional Comparison and GPIB Command Correspondence
B. Information for Replacing
4278A with 4288A
Figure B-1 Comparison of binary format
GPIB command correspondence
Table B-15 Correspondence of measurement data readout related commands
Function
GPIB command
4278A 4288A
Data output (data transfer)
format
ASCII DFMT1 :FORM ASC
Binary DFMT2 :FORM REAL
Reading out the measurement result DATA? :FETC?
Block data transfer
(data buffer)
Preparation
MCOM1 :DATA:POIN BUF3,500
:DATA:FEED:CONT BUF3,ALW
Readout DATA? :DATA? BUF3
Comparator sorting result
output
OFF DBIN0 N/A (dependent on ON/OFF state of
the comparator function)
ON DBIN1
Continuous data output
(spew-out mode)
Start DST N/A (Similar function can be realized
using :READ?.)
End DEND
Reading out the instrument setup state list
*LRN? N/A (The query is available for all
setup commands. Therefore, use each
command for reading out.)