HP E1313A Manual page 201

FORMat
Note
Usage
200 HP E1313/E1413 Command Reference
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leaves the instrument in its power-on reset state. This means that the ASC,7
*TST?
data format is set even if you had it set to something else before executing
If you need to read the FIFO for test information, set the format after
before reading the FIFO.
•
Related Commands: [SENSe:]DATA:FIFO:...?
[SENSe:]DATA:CVTable?
•
*RST Condition: ASCII,7
•
After *RST /Power-on, each channel location in the CVT contains the IEEE-754
value " Not-a-number" (NaN). Channel readings which are a positive overvoltage
return IEEE +INF and a negative overvoltage return IEEE -INF. The NaN, +INF,
and -INF values for each format are shown in the following table.
Format IEEE Term
ASCii +INF
-INF
NaN
REAL,32 +INF
-INF
NaN
REAL,64 +INF
-INF
NaN
PACKed,64 +INF
-INF
NaN
FORM:DATA REAL
FORM:DATA REAL,64
FORM:DATA ASCII,7
commands,
, MEMory:... commands, and
Value
+9.9E37
-9.9E37
+9.91E37
7F800000
16
FF800000
16
7FFFFFFF
16
7FF000...00
16
FFF000...00
16
7FFF...FF
16
47D2 9EAD 3677 AF6F
16
(+9.0E37 )
10
C7D2 9EAD 3677 AF6F
16
(-9.0E37 )
10
47D2 A37D CED4 6143
16
(+9.91E37 )
10
Set format to IEEE 32-bit Floating Point.
Set format to IEEE 64-bit Floating Point.
Set format to 7-bit ASCII.
.
*TST?
and
*TST?
FETCh? .
Meaning
Positive Overload
Negative Overload
No Reading
Positive Overload
Negative Overload
No Reading
Positive Overload
Negative Overload
No Reading
Positive Overload
Negative Overload
No Reading
Chapter 5