4 Input/Output Functions
Input/Output
Notes Only some probe types support Offset. For those that do, each probe type has its own Offset setting.
As probes are changed the Offset value will reflect the new probe's setting. Changing the Offset
affects only the current probe type's setting and leaves all others unchanged.
Preset 0 V
State Saved Saved with probe calibration data. It survives power cycle and is not affected by Preset or Restore.
Range –18 V to +18 V
Min –18 V
Max +18 V
Initial S/W Revision Prior to A.02.00
Coupling
Some probe types allow coupling to reject low frequencies. This will filter out the DC component of a signal
that is composed of a DC bias plus some AC signal. This control is visible only for probe types that have this
capability.
Key Path
Input/Output, I/Q, I Setup | Q Setup, I Probe | Q Probe
Remote Command
:INPut:COUPling:I|Q DC|LFR1|LFR2
:INPut:COUPling:I|Q?
Example Set the probe to low frequency rejection below 1.7 Hz.
INP:COUP:I LFR1
Notes Only some probe types support Coupling. For those that do, each probe type has its own Coupling
setting. As probes are changed the Coupling value will reflect the new probe's setting. Changing the
Coupling affects only the current probe type's setting and leaves all others unchanged.
Preset DC
State Saved Saved with probe calibration data. It survives a power cycle and is not affected by a Preset or
Restore.
Range DC | AC 1.7 Hz LFR1 | AC 0.14 Hz LFR2
Readback Text DC | LFR1 | LFR2
Initial S/W Revision Prior to A.02.00
DC
Turns off low frequency rejection, allowing signals down to DC.
Key Path
Input/Output, I/Q, I Setup | Q Setup, I Probe | Q Probe, Coupling
Example Turn off low frequency rejection on the I channel
INP:COUP:I DC
Initial S/W Revision Prior to A.02.00
174 EMI Receiver Mode Reference
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