GW Instek GDS-2000A series Programming Manual - Manual (Page 51)

COMMAND DETAILS
51
Return Parameter ON Channel is on.
OFF Channel is off
Example :CHANnel1:DISPlay ON
Turns on Channel 1
:CHANnel:EXPand
Description Sets Expand By Ground or Expand By Center for a
channel or queries its status.
Syntax :CHANnel:EXPand {GND | CENTer | ?}
Parameter Channel 1,2,3,4
GND Ground
CENTer Center
Return parameter GND Expand By Ground
CENTER Expand By Center
Example :CHANnel1:EXPand GND
Sets Channel 1 to Expand By Ground.
:CHANnel:IMPedance?
Description Returns the impedance of the oscilloscope.
Syntax :CHANnel:IMPedance?
Parameter Channel
1/2/3/4 CH1/2/3/4
Return parameter Returns the impedance value.
Example :CHANnel1:IMPedance?
1.000000E+06
The impedance is 1M ohms.
Set
Query
Query