GDS-1000B Programming Manual
50
Return Parameter ON
Channel is on
OFF
Channel is off
Example
:CHANnel1:DISPlay ON
Turns on Channel 1
:CHANnel<X>:EXPand
Description
Sets Expand By Ground or Expand By Center for a
channel or queries its status.
Syntax
:CHANnel<X>:EXPand {GND | CENTer | ?}
Parameter
<X>
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<X>:IMPedance?
Description
Returns the impedance of the oscilloscope. (The
impedance of the GDS-1000B is fixed at 1MΩ)
Syntax
:CHANnel<X>:IMPedance?
Parameter
<x>
Channel
1/2/3/4 CH1/2/3/4
Return parameter <NR3> Returns the impedance
value.
Example
:CHANnel1:IMPedance?
1.06
The impedance is 1M ohms.
Set
Query
Query