Options— 2230 Service
Table 7-19
Save and Recall Reference Commands
Header
Argument
Link
Argument Description
REFFrom [ACQ]
REF1
REF2
REF3
REF4
REFA
REFZ
Selects the waveform memory source for SAVeref commands.
SAVeref
REF1
REF2
REF3
REF4
REFA
REFZ
Saves the waveform selected by REFFrom in the named
reference. REF1, REF2, and REF3 are used for 1024 point
reference waveform storage and REF4 is for 4096 point
references. 4096 point references from ACQ or REF4 may be
saved as 1024 point references in REF1 through REF3. The
portion of the 4096 points reference saved is determined by the
position of the active cursor. 4096 point references from REFA
through REFZ may NOT be saved as 1024 point references in
REF1 through REF3. 1024 point references are saved as either
1024 bytes, or 2048 bytes for AVEraged waveforms.
REFDisp
REF1
ON Controls the display of the named reference. EMPty causes the
REF2
OFF contents of the reference to be deleted and its display turned
REF3
REF4
EMPty
OFF. REF1, REF2, and REF3, are 1024 point references, and
REF4 is the 4096 point reference.
REFA
REFZ
EMPty
The non-volatile references may not be displayed, only
EMPtied. To display the non-volatile references, first transfer
them to a numbered reference.
REFProt REFA LOCked
Controls the write protection of non-volatile reference
PERM
memories, REFA through REFZ. LOCked and PERM disable
REFZ
UN Locked
further storage into the named reference; UNLocked enables
storage. PERM cannot be overwritten via front panel controls.
REFStat? FIU < s tr in g >
Query only. Returns a 30 character string with each reference
memory's fill status indicated by a single character. <string>
is ordered REF1 through REF4 followed by REFA through
REFZ. Each string character is either 0, 1, 2, 4, or 8, which
represents the waveform data in kilobytes.
PROTect
< s t r in g >
Query only. Returns a 30 character string with each reference
memory's protection status indicated by a single character.
The order is identical to the FIU query. The characters which
may make up the string are U, L, and P, which correspond to
UNLocked, LOCked, and PERManently locked.
FREe
< N R 1 >
Query only. Returns number of free kilobytes in the non-volatile
reference memory.
7-20
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