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USING THE COMBISCOPE INSTRUMENTS 3 - 39
3.7 Signal Conditioning
The INPut subsystem allows you to condition the input signals, such as
AC/DC/GROund coupling, input filtering, and input impedance selection.
In the digital mode, the SENSe:VOLTage<n>:RANGe:AUTO command allows
you to enable autoranging of the attenuation for each of the input channels <n>
separately.
3.7.1 AC/DC/ground coupling
The INPut<n>:COUPling command allows you to set the vertical input coupling at
AC, DC, or GROund for each input channel separately. After a
*
RST command,
all input channels are DC coupled.
PROGRAM EXAMPLE:
CALL Send(0, 8, "INPut:COUPling AC", 1) ’
Sets channel 1 AC coupled
CALL Send(0, 8, "INPut2:COUPling GROund", 1) ’
Sets channel 2 ground coupled
INPut[1]
INPut
@1
@2
INPut2
INPut3
@3
INPut4
@4
:VOLTage[1]
:VOLTage2
:VOLTage3
:VOLTage4
:OFF
[:ON]
:OFF
[:ON]
:OFF
[:ON]
:OFF
[:ON]
:FUNCtion
"XTIMe:VOLTage1"
"XTIMe:VOLTage2"
"XTIMe:VOLTage3"
"XTIMe:VOLTage4"
:SWEep
Main Time Base
ST7159
SENSe
Figure 3.15 Signal conditioning