Model 6487 Reference Manual
Relative, mX+b, m/X+b, and log
5-7
To control log, perform the following steps:
klqb
Enabling or disabling math disables Rel (if Rel is enabled).
1.
Press CONFIG then MATH to enter the math configuration menu.
2.
Using either manual RANGE key, select MATH: LOG10, then press ENTER to
select the log function.
3.
To enable math, press the MATH key from normal display. The MATH annunciator
and the “L” designator will turn on and the result of the calculation will be
displayed.
SCPI programming — mX+b, m/X+b, and log
A) :FORMat <name>
This command selects the desired math function in the same manner as the front panel
CONFIG MATH menu. Functions names include MXB (mX + b), RECiprocal (m/X + b),
and LOG10.
B) :KMATh
Use these commands to set the M (scale factor), B (offset), and units for the MX + B and
reciprocal math functions.
Table 5-3
SCPI commands — mX+b, m/X+b, and log
Commands
Description
Default
Ref
CALCulate[1]
:FORMat <name>
:KMATh
:MMFactor <n>
:MBFactor <n>
:MUNits <name>
:STATe <b>
:DATA?
:DATA:LATest?
CALCulate1 Subsystem:
Select calculation: MXB, RECiprocal, or LOG10.
Path to configure mX+b and m/X+b:
Specify scale factor (M) for mX+b and m/X+b:
-9.99999e20 to 9.99999e20.
Specify offset (B) for mX+b and m/X+b:
-9.99999e20 to 9.99999e20.
Specify units for mX+b or m/x+b result:
1 character: A–Z, ‘[‘=¾, ‘\’=°, ‘]’=%.
Enable or disable the selected calculation.
Returns all CALC1 results triggered by the INITiate.
Returns only the latest CALC1 reading.
MXB
1.0
0.0
“X”
OFF
A
B
C
C