Tektronix TDS460A User Manual

Command Descriptions

TDS Family Oscilloscope Programmer Manual

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 sets the specified channel to 50  impedance.

 sets the specified channel to 1 M impedance.

 
establishes 50 

 impedance on channel 1.

might return 

, indicating that channel 3 is set to 1 M impedance.

Sets or queries the offset, in volts, that is subtracted from the specified input
channel before it is acquired. The greater the offset, the lower on the display the
waveform appears. This is equivalent to setting Offset in the Vertical menu.

Vertical

CH<x>:POSition

 

 is the desired offset in volts. The range is dependent on the scale and the
probe attenuation factor. The offset ranges are shown below.