Commands Listed in Alphabetical Order
Examples
CH1:PROBEFUNC
:EXTATTEN 167.00E-3
specifies an external attenuation,
which is connected between the user’s input signal and the input of the probe
attached to Channel 1.
CH2:PROBEFUNC:EXTATTEN? might return :CH2:PROBEFUNC:EXTATTEN
1.0000E+00
, indicating that the probe attached to Channel 2 is connected
directly to the user’s signal.
CH<x>:PROBEFunc:EXTDBatten
Use this command to specify the input-output ratio (expressed in decibel units) of
external attenuation or g ain between the signal and the instrument input channels.
The channel is specified by x. The value of x can range from 1 through 4.
The query form of this command returns the user-specified attenuation in decibels:
1X = 0 dB, 10X = 20 dB, 100X = 40 dB, etc.
This command is equivalent to selecting Attenuation from the Vertical menu, and
then either viewing or setting Ext Att (dB).
Group
Vertical
Syntax
CH<x>:PROBEFunc:EXTDBatten <NR3>
CH<x>:PROBEFunc:EXTDBatten ?
Related Commands
CH<x>:PROBEFunc:EXTAtten
Arguments
<NR3> is the attenuation value, which is specified in the range from -200.00dB
to 200.00 dB.
Examples
CH3:PROBEFUNC:EXTDBATTEN 2.5 specifies an external 2.5 dB attenuator
on Channel 3.
CH1:PROBEFUNC:EXTDBATTEN? might return
:CH1:PROBEFUNC:EXTDBATTEEN 2.5000E+00, indicating that the attenuation
for Channel 1 is 2.5 dB.
CH<x>:PROBEFunc:EXTUnits
This command sets the un it of measurement for the external attenuator of the
specified channel. The channel is spec ified by x. The value of x can range from
1 through 4. There is also a corresponding query that returns the user-specified
unit of measurement for the external attenuator. Unless these units are set to
DPO7000, DPO70000/B and DSA7000/B Series Programmer Manual 2-127
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