4 Input/Output Functions
Input/Output
LFR1
Turns on low frequency rejection, rejecting signal component lower than 1.7 Hz.
Key Path
Input/Output, I/Q, I Setup | Q Setup, I Probe | Q Probe, Coupling
Example Turn on low frequency rejection on the I channel for frequencies lower than 1.7 Hz
INP:COUP:I LFR1
Initial S/W Revision Prior to A.02.00
LFR2
Turns on low frequency rejection, rejecting signal component lower than 0.14 Hz.
Key Path
Input/Output, I/Q, I Setup | Q Setup, I Probe | Q Probe, Coupling
Example Turn on low frequency rejection on the I channel for frequencies lower than 0.14 Hz
INP:COUP:I LFR2
Initial S/W Revision Prior to A.02.00
Calibrate
Invokes the guided probe calibration. The guided probe calibration is context sensitive and depends on the
channel (I or Q) and the Differential Input state. The calibration is only performed on the selected channel.
When Differential Input is on, both the probe attached to the main port and the probe attached to the
complementary port are calibrated. When Differential Input is off, only the probe attached to the main port
is calibrated. See "I/Q Guided Calibration " on page 208.
Key Path
Input/Output, I/Q, I Setup | Q Setup, I Probe | Q Probe, Coupling
Readback Text The last calibration date, or if no calibration exists, "(empty)".
Last: <cal date>
<cal time>
Example:
Last: 8/22/2007
1:02:49 PM
Initial S/W Revision Prior to A.02.00
Clear Calibration
Clears the calibration data for the current port and probe. It does not clear the data for other probe types
or other ports. If the sensed probe has EEPROM identification, only the data for that specific probe is
cleared. After this command has completed, the probe calibration state will be the same as if no probe
calibration had ever been performed for the specified channel and probe. The probe attenuation will be the
default value for that probe type and the Cable Calibration frequency response corrections will be used.
This command is dependent on the Differential Input state. When Differential Input is on, both the data for
EMI Receiver Mode Reference 175
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