Specifications

Command Descriptions
2-66
TDS3000, TDS3000B, and TDS3000C Series Programmer Manual
CH<x>:IMPedance
Sets or returns the channel probe impedance.
Vertical
CH<x>:IMPedance { FIFty | MEG }
CH<x>:IMPedance?
<x> specifies the input channel. Valid values are 1, 2, 3, and 4.
FIFty sets the specified channel to 50 Ω impedance.
MEG sets the specified channel to 1 MΩ impedance.
CH1:IMPEDANCE?
might return MEG.
CH<x>:INVert
Sets or returns the specified channel signal invert setting. This command is
equivalent to setting Invert in the Vertical menu.
Vertical
CH<x>:INVert { <NR1> | ON | OFF }
CH<x>:INVert?
<x> specifies the input channel. Valid values are 1, 2, 3, and 4.
<NR1> = 0 or OFF sets the channel to invert off (normal display).
<NR1> = 1 or ON sets the channel to invert on.
CH<x>:INVERT?
might return 0, indicating that channel 1 is not inverted.
Group
Syntax
Arguments
Examples
Group
Syntax
Arguments
Examples