Relative, mX+b and Percent (%) 7-3
VAL key
The SHIFT-VAL key sequence displays the present Rel value. From this display you can
enable Rel using that Rel value or you can key in a different Rel value.
1. Press SHIFT and then VAL to display the present Rel value.
2. To change the Rel value, use the
, , and keys to change the value. To change polar-
ity, place the cursor on the polarity sign and press
or . To change range, place the cur-
sor on the range symbol (at the end of the reading) and use the
and keys (see Table
7-1).
3. With the desired Rel value displayed, press ENTER to enable Rel.
SCPI programming — relative
Table 7-1
Range symbols for rel values
Symbol Prefix Exponent
P pico- 10
-12
N nano- 10
-9
µ micro- 10
-6
m milli- 10
-3
ˆ (none) 10
0
K kilo- 10
3
M mega- 10
6
G giga- 10
9
T tera- 10
12
Table 7-2
SCPI commands — relative (null)
Commands Description Default Ref
CALCulate2 CALCulate2 Subsystem:
:FEED <name> Specify reading to Rel; SENSe[1] or CALCulate[1]. SENS A
:NULL Configure and control Relative.
:ACQuire Use input signal as Rel value.
:OFFSet <NRf> Specify Rel value; -9.999999e20 to 9.999999e20. 0.0
:STATe <b> Enable or disable Rel. OFF
:DATA? Return Rel’ed readings triggered by INITiate. B
:LATest? Return only the latest Rel’ed reading. B
INITiate Trigger one or more readings.
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