75
REFSEL_n?
Reference Source Query
Syntax:
REFSEL_n?
Parameters:
None
Function:
This query returns the current reference soure that will be used in linear and
logarithmic (dB) relative measurements. Returns:
<source> is of type <string> in the double quote format. The possible values
of <source> are:
“STOREF” - Last stored reference measurement
“OTHERCH” - The other channel
“USRREF” - User defined reference value
Related Commands:
REFSEL_n, STOREF_n, USRREF_n, USRREF_n?
RESP_n?
Responsivity Query
Syntax:
RESP_n?
where n is either A or B
Parameters:
None
Function:
This query returns the responsivity value currently being used by the 2835-C
in measurement calculation.
Returns:
<val>
<val> is of type <number> and represents a floating point number. The units
of the responsivity <val> depends upon the type of detector family of the
detector in use. See Table 22 for a listing of responsivity units by detector
family.
Related Commands:
ATTN_n, ATTN_n?, LAMBDA_n, LAMBDA_n?, USRCAL_n,
USRCAL_n?, USRRESP_n, USRRESP_n?
RUN
Start Both Channel Acquisition
Syntax:
RUN
Parameters:
None
Function:
This command initiates data acquisition on both channels using the currently
defined acquisition mode. In single type acquisition modes this command will
cause one reading to be acquired. In continuous type acquisition modes this
command will initiate the continuous acquisition of readings. The STOP
command will terminate acquisition.
Related Commands:
STOP, STOP_n, RUN_n
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