192 Chapter 10
Command Reference
:SYST:ERR?
:SYST:ERR?
Syntax :SYSTem:ERRor?
Description Reads out the oldest error remaining in the 4288A's error queue. The size of the error queue
is 10.
Executing the *CLS command clears errors stored in the error queue. (Query only)
Query response {numeric},{string}<newline><^END>
{numeric}: Error number
{string}: Error message (a string within double quotation marks (“))
If no error is stored in the error queue, 0 is read out as the error number and “No error” as
the error message.
Related commands *CLS on page 124
Equivalent key
sequence
No equivalent key is available on the front panel.
:SYST:FSH
Syntax :SYSTem:FSHift <numeric>
:SYSTem:FSHift?
Description When you make a measurement with the measurement frequency set to 1 MHz, specifies
the shift of the signal frequency (frequency shift value) actually applied to the DUT
relative to 1 MHz as a percentage of 1 MHz.
Parameters
If the specified parameter is out of the allowable setup range, the minimum value (if the
lower limit of the range is not reached) or the maximum value (if the upper limit of the
range is exceeded) is set. Note that a fraction below the resolution is rounded off.
MAX or MIN can be used to specify the parameters.
Query response {numeric}<newline><^END>
Equivalent key
sequence
[Config]( [Blue] - [-] )- Fshft
<numeric>
Description The value of the frequency shift.
Range -1 to 2
Initial value 0
Unit % (percent)
Resolution 1